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AFD-280 thru 280U, R6 Service Manual

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1. Accumulator Doors Load Cell Assembl 202068 Slide Rail 1 Allows Accumulator Assembly Motion Sensing Slide Rail Mount Attaches Accumulator Assembly to Slide Rail 203097 Slide Rail Mounting Bolts M6 1 0 x 16 213142 Lock Washers Zinc Plated 290685 Load Cell Detects Weight of French Fries 213143 Bolts 14 20 X Ya 213142 Lock Washers 14 Zinc Plated 2 202908 Load Cell Mounting Bracket Secures Load Cell to Chassis 213143 Bolts 14 20 X Ya 213142 Lock Washers 14 Zinc Plated 202057 Accumulator Doors Cylinder Pneumatically Operates the Accumulator Doors 203282 Straight Barbed Fitting 1 8 NPT Barbed Airline Fitting 1 8 NPT to 10 32 UNC 90 Fitting EUN 8 L 90 Barbed Fitting Assembly 203283 90 Elbow IE Barbed Fitting 10 32 UNC Barbed Airline Fittin 9 10 u 1 m 15 16 220464 Door Shaft Link 2 Actuator Linkage Connection Secured to the Door Shaft 202081 Hairpin Clip Le Secures Clevis Pins 202082 Clevis Pin 4 X 1 6 Secures Linkages 220463 Actuator Linkage Interconnection Link Linkage attached to Pneumatic Cylinder 202974 Flange Bearing 4 Bearing for Accumulator Door Shafts Machined Accumulator Chassis Accumulator Door and Shaft 1 3 4 5 7 10 11 12 13 14 15 16 213356 E Clip Secures Accumulator Door Shaft within Accumulator Assembly 8 19 not 22047
2. Drum Motor Assembl 4 213143 Socket Head Cap Screws 14 20 x V2 4 Secures Bearing Block to Dispenser Chassis 213142 Lock Washer 4 4 220511 Drum Motor Shaft Turns the Drum in the Hopper 220508 Drum Motor Shaft Collar 1 Prevents contamination of Dispenser cabinet INEA MN 8 Drum Motor Electrical Connections 2 DC Gearmotor power input connections Copyright 2005 Automated Equipment LLC All rights reserved 45 AFD280 280U Comprehensive Service Manual AFD 280 Optical Sensors ITEM DESCRIPTION DETAILS Optical Sensor SICK Sensor for Lift and Guide Basket detection locations 220492 Sensor Mounting Bracket Mounts Locates the Optical Sensor 213143 Bolt 1 4 20 X Ya 4 Secures Mounting Bracket to Dispenser Back Panel 4 4 213142 Lock Washer 4 213141 Flat Washer 4 202619 Sensor Window Kit Sensor Output LED Indicator Turns ON with object detection Sensitivity Gain Adjustment a Gain Adjustment Banner Optical Sensor 2 per Dispenser Optical Sensor Banner DESCRIPTION NO DETAILS 202038 Optical Sensor Banner Sensor for Lift and Guide Basket detection locations 220492 Sensor Mounting Bracket Mounts Locates the Optical Sensor 213143 Bolt 14 20 X 12 Secures Mounting Bracket to Dispenser Back Panel 213142 Lock Washer LA 213141 Flat Washer 14 202619 Sensor Window Kit Sensor Output LED Indic
3. 2 Floarvavw Part of Pressure Regulator Assembly 3 DrainFilter Part of Pressure Regulator Assembly 202051 Pressure Regulator Assembly 1 Complete Filter Regulator assembly AFD 280U Manifold Assembly Style A Copyright 2005 Automated Equipment LLC All rights reserved 60 AFD280 280U Comprehensive Service Manual RIGHT SIDE VIEW FRONT VIEW elosrect AFD 280U Manifold Assembly Style A p n 202054 replace with p n 202582 Airline Fitting 90 1 4 Push Tube Airline Fitting 90 1 4 Push Tube 5___ 202479 Manifold Output OPEN Stopgate BLUE Airline to bottom Stopgate Cylinder fitting 6 202478 Manifold Output CLOSE Stopgate __ RED Airline to top Stopgate Cylinder fitting 7 202481 Manifold Output OPEN Accumulator Doors 1 CLEAR airline to top Accumulator Cylinder fitting Es 202573 Manifold Output CLOSE Accumulator Doors WER YELLOW airline to bottom Accumulator Cylinder fitting 9 213320 Manifold Output RAISE Lift Cylinder 1 OPAQUE airline to fitting at bottom of Lift Cylinder Airline Fitting 1 4 OD Barbed 202090 Airflow Adjustment Stopgate OPEN B Controls the OPENING SPEED of the Stopgate Cylinder 202090 Airflow Adjustment Stopgate CLOSE A Controls CLOSING SPEED of the Stopgate Cylinder 202090 Airflow Adjustment Accumulator OPEN B Controls the
4. ad TIVENIVN 9 1 YJONMIAO 4100 s CR MO14 3SV3MONI OL 3SIM92019 HILNNOO snvpx i4n Favs IS TANIA MOTI3A K is y RESERVOIR ASS Y e T o HS RAE Gd N3389 v 1 MOlvin933 WONJ LIVNI 3d 038 v 1 Gd ame 1 331 331134 QV3H IAIA 34333 ad ovi8 8 2 YOSSAYdNOO LW H W c HIIGMS vAS 7 N 3NIVA A93H9 HOLIMS 3Mnss3Md TIOHINVN SATIVA 31V9 dOls LAS v 1snrav 3snss3sd dn 1411 Favs Cl v usnrav aaso10 sNOOQ Wn2ov j ZAS 8 1snrav N3ao suooa Wnoov CAS v ISNPOV 03S019 31v9 dO1S 8 15nrqv N3d0 31V9 dO1S S4000 YOLVINANIOV Z TANIA MOTIZA 1 Z TANIA 4370 v 1 za J See fF Za LS Copyright 2005 Automated Equipment LLC All rights reserved 79 AFD280 280U Comprehensive Service Manual AFD 280U
5. 215468 Electrical connector 8 position Connects to Input and Output connectors on board 215473 Electrical connector 2 position Connects to DC power connector on board Copyright O 2005 Automated Equipment LLC All rights reserved 71 AFD280 280U Comprehensive Service Manual Controller Board 290626 Ke ROWER d ul 8 8 m e 7 Y UH J J7 d m y x Y 7 A F PAS DU H n nin RI Mm LU TIT LUDO f E III d S ok ok cop ui P l L a 2 N d S d COMO A i gt nn Item Description Item Description Item Description 1 Power Input 24 VDC L2 Lift Optical Sensor Lil Start Light 2 Weight Sensor Connection L3 Guide Optical Sensor L14 Unused 3 Function Buttons L4 Lift Up L15 Raise lift 4 EPROM Configuration L5 Lift Down L16 Open Accumulator Doors 5 Software EPROM L6 Air Present L17 Open Stopgate 6 Electric mode jumper L7 Load Selector 1 51b setting L22 Unused Remove for AFD 280 U Jl Unused L8 Load Selector 1 01b setting L23 Unused J2 Unused L9 Restart Switch L24 Unused J3 Unused L10 Rotate Drum L25 Unused SOFTWARE E PROM SELECTION DISPENSER STANDANRD PLUS MODEL SOFTWARE DESCRIPTION CONTROLLER BOARD CONTROLLER BOARD PART NUMBER 290322 PART NUMBER 290626 AFD 280 AFD 280 1 0A AFD 280 U 2 1 AFD 280 U 2 2 Current software 290063 290063 AFD 280U AFD 280 U 2 1 R di AFD 280 U 2 2 Current
6. Error s Mi oc P ESA ANEKSY 23 E AAA A a sh ehadd eck ent ase AC ace alee tenet ete deh ete Dante Rite 24 sinodo E LI TIMO V Renee ee arar sii 24 Error 4 LI Sensom e 24 Error 5 Guide Sensor Error iiie b p ia 25 Error 6 Lift Down Switch Error san nn dm cie 25 Error 7 Lift Up Switch ELO is ege egene gece ess oes LIC 25 Error 8 Watchdog or Abnormal Reset E 25 Error 9 NVRAM Checksum ETEOD uci dete oe o het ur eo aer en Oo PE Re ee Ce 26 Calibrations and Adjustments 2 e ronis saprei ect binding etes peratee bos bct ebd bla landing EE c LE O tts 27 Compressor Pressure Control SwiLCli ee ee ere et lacet oie te esti edo Rhe Rate Op Eden 27 Pressure Regulator cto et E OH eto eu ule cct cup ud tede 27 Air Present EE 28 Poer Supply Men 28 Manifold AI FINS ieee coke 28 Lift Saddle speed adjusIMenis cocacola ELM Er Dad en 29 CCA STIS ONS toii ME M A P esM ee M LM Na 29 SIODdgale Inde sse etit odds A E eee nee tee 26 30 Accumulator Door D e EE 30 Hift C linder EE cositas 31 Verification or Load Cell A D Converter dote Eee Rees gege ege ee 32 xvi i is DRACO pp 33 Load EE wit coins iia 33 Start Reset sal e 33 Major Assemblies AFD 290 EE AFD 280 Front VIeW sene reden te nec vi a ear x e Pe t a can EF AN D 34 AFD 280 Side View rient di gege 35 AFD 280 Rear VIEW ias 36 AFD 280 Compressor Assembly Style A iii 36 AFD 280 Compressor Assembly Style
7. See assembly illustration Upper guide support fixture and alignment See assembly illustration See assembly illustration Regulates System Air Pressure at 30 psi See assembly illustration Wiring terminal assembly See assembly illustration 1 5 Amp Drum Motor circuit breaker Allows Dispenser to be moved for cleaning Controls Dispenser electrical functions Programs the controller board Detects baskets at the Lower Guide Detects baskets in the Lift Saddle when lift is raised Detects the weight of the Accumulator Assembly See assembly illustration Pneumatic cylinder to operate the accumulator doors See assembly illustration Kit to replace all the pneumatic tubing Automated Equipment LLC All rights reserved AFD280 280U Comprehensive Service Manual AFD 280 Compressor Assembly Style A ITEM DESCRIPTION DETAILS 1 Air Compressor 1 202061 Air Compressor Ramped Valve 110V 60 Hz Compressed air source for Dispenser operations 202190 Air Compressor Ramped Valve 220V 50 Hz Note Pressure Control Switch must be reset for 40 60 202766 Air Compressor Ramped Valve 220V 60 Hz psi 2 8 4 1Bar operation 202765 Air Compressor Ramped Valve 100V 50 60 Hz 203281 Ramped Valve Upgrade Kit Compressor Upgrade kit Note Must have Run T Elimination kit installed and Pressure Control Switch reset for 40 60 psi 2 8 4 Bar operation 203296 Run T
8. AFD280 280U Comprehensive Service Manual AFD 280U Saddle Assembly SIDE VIEW BACK VIEW Saddle Assembly p n 202782 6 217810 Guide Roller 4 Roller for Saddle Assembly against the Guide Posts 202761 Lift Saddle Weldment Metal body of the Lift Saddle Assembly 8 202046 Flat Head Screw 10 32 X 3 4 6 Secures Wear Strips to Lift Saddle Stainless Steel I 202762 Saddle Slide 4 34 length 3 Y2 hole Wearable sliding surface for Baskets to slide on spacing 202047 Flat Head Screw 10 32 X 1 2 Secures Saddle Slides to the Lift Saddle 220473 Splash Shield Contains splashed materials within the Dispenser 202047 Flat Head Screw 10 32 X 1 2 Secures Splash Shield to Lift Saddle Copyright 2005 Automated Equipment LLC All rights reserved 66 AFD280 280U Comprehensive Service Manual AFD 280U Drum Motor Assembly REAR VIEW SIDE VIEW DETAILS 24 VDC Drive Motor for the Drum Shaft 24 VDC Drive Motor for the Drum Shaft Bolt 10 32 X 1 4 Secures Drum Motor to Chassis 213140 Lock Washer 10 Secures Drum Motor to Chassis 203445 213143 Bolt 14 20 X 12 Secures Drum Motor Chassis to Back Panel 213142 Lock Washer 4 Secures Drum Motor Chassis to Back Panel 213141 Flat Washer 14 Secures Drum Motor Chassis to Back Panel Drum Motor Mounting Chassis 10 290653 Set Screw 3 8 24 X 3 8 Secures the Drum S
9. B eene nennen nnne nnne 38 AFD 280 Pressure Regulator Assembly s onto tetti reto RE dot fep ear qr buses 39 AF D 280 Manirold ASSEMBLY suede ot epo tocco eso nr i Ed cte ete otn bud 40 AFD 280 Accumulator Doors Load Cell Assembly AAA 41 ARD 280 Stopgate ASSBITIDIS E 42 AFD 280 Lift Cylinder Assembly sonne eb tegat a 43 AED 280 Saddle Assembly ete eere delia 44 AFD 280 Drum Motor ASSOITIDIY s iude potro oe Dead io eed ene apap d se 45 AFD 280 Optical Sensors oa dose ipsas eege Geh Ee ee 46 AFD 280 24 5 Volt Power SUP DNS m ee petet o teet vet im e head tat oie eL Uu peed eet 47 AFD 280 Din Rail Terminal Circuit Breaker Assembly 48 AFD 280 Upper Guide ASSOITIDIV EE 49 AFD 280 Upper Guide Support Assembly EE 50 AFD 280 Lower Guld6 eeepc Res etre OG Re Eee Co d e ento DRE REENEN DU E dE 51 AFD 280U Product e ne EN Front Panel Operations Customization eeeeeeeeeeeeeeeeeeeeeeeeeee nennen nenne nennen nnne Configure Switch Position 1 for Automatic Dispensing eseeeseennm 52 Copyright 2005 Automated Equipment LLC All rights reserved 3 TABLE OF CONTENTS Configure Bypass ee e 53 Exercise Mode Operation te eem leida 54 Major Assemblies AFD 280 U E AF D 260U Front View P ME 55 ARD 280U EE 56 AFD 280U Rear View Tem 57 AFD 280U Compressor Assembly e oia 58 AFD 280U Air Reservoir Assembly eee rdg ene e ON Mais
10. INTRODUCTION ME SPECIFICATIONS 2 eenia esanen rrt rine rae he ges area iia FOG STATEMENT Merc 5 WARRANTY EE REQUESTING SERVICE ASSISTANCE OR PARTS ccce SAFETY fr M PRODUCT MODEL AND REVISION IDENTIFICATION esses esses Sequence of Operations acicate OWS od EP m E EE 10 Normal Weighing TEE 10 Normal Basket Cycle High Production Rates 11 Normal Basket Cycle Low Production Rates 12 Gontnuous BIS E ne EE 12 Single Basket Eiere reet ere ee eege a 13 SN e ae e 13 Error Mode e teetesa rcp eee ep ete er Ven ber er ITE LRE ERE a EORR Ee 13 The DIAGHOSUC DISPARA A KR TE V CVV RR RE Input Quipat EED IndicBlOIs sooo E EE 14 The Service Interfaces c LI ae eod E man e Sa du gud tcd dip Rc ae ER pO ete 15 Power UD m tana 15 Normal Operation EE 15 Edel Nee EE 15 A wed Heal ee ca Skee a ued en ee 16 Function Reference for 1 0 software ee EE EE EE EEN iB eria BEI PME EE 17 A O 17 Funcion 2 Display Last Erion st ERE eurer eet SR Po Eoi Ob ere a Habeo Ede dns 17 Function 3 Disable Ee Le EE 17 Function 4 Tale TEE 17 Funcion E ee NO To TE 17 Function 6 Adjust 1 0 target upward terere aeter t ete Ste Rue Res ee PR e hebr epu 17 Function 7 Adjust 1 0 target do ia 18 Function 8 Adjust 1 5 re De 18 Function 9 Adjust 1 5 target downward oooonnninnnccccnccccnonnnnanncccnncnnnnnnnnnnnnane
11. 202793 Power Supply ETA 2 1A 1 Power Supply 24 5 VDC output 95 240 VAC input 215473 2 Position Connector Plug CL Connects Power to Controller Board 291294 Fuse Protects the power supply AFD 280U Upper Guide Assembly Upper Guide Assembly Offset Pin item 1 p n 202219 ITEM DESCRIPTION DETAILS 202359 Basket Runners Ultem Slide runners for baskets 290000 Mounting screws for the Ultem runners Copyright O 2005 Automated Equipment LLC All rights reserved 69 AFD280 280U Comprehensive Service Manual AFD 280U Upper Guide Support Assembly 2 20218 Upper Guide Post LL Postto which the Upper Guide is mounted 4 202044 Fillister Head Screw 1 4 20 X 1 2 2 Locates Upper Guide on Mounting Posts 5 202073 Socket Head Cap Screw 1 4 20 X 3 4 4 Adjusts Mounting Plate positioning 213539 Socket Head Cap Screw 1 4 20 X 1 4 Secures Mounting Plate to Dispenser Chassis 213142 Lock Washer 1 4 4 7 202174 Socket Head Bolt 1 2 X 1 1 4 2 Secures Upper Guide Posts to Mounting Plate 213264 Lock Washer 1 2 2 AFD 280U Lower Guide Assembl Lower Guide Assembly item 1 p n 202779 P N 220494 Basket Runners Ultem Slide runners for baskets 290000 Copyright 2005 Automated Equipment LLC All rights reserved 70 AFD280 280U Comprehensive Service Manual Controller Boards Controller Board 202032
12. DESCRIPTION Air Compressor Air Compressor Ramped Valve 110V 60 Hz Air Compressor Ramped Valve 220V 50 Hz Air Compressor Ramped Valve 220V 60 Hz Air Compressor Ramped Valve 100V 50 60 Hz Ramped Valve Upgrade Kit Run T Elimination Kit Air Inlet Filter Assembly Filter media only Run T Assembly No Longer Available Airflow Bypass Solenoid No Longer Available Airline Fitting Straight 3 8 Push Tube LAT NPT male Pressure Control Switch 14 Push Tube Fitting 3 8 14 NPT Female Elbow 90 Check valve Pressure Relief Valve Elbow 90 4 Way Fitting Air Reservoir Assembly Compressor Vibration Mounting Compressor Mounting Plate Compressor Vibration Mounting Airline 3 8 X 24 Copyright 2005 38 DETAILS Compressed air source for Dispenser operations Note Pressure Control Switch must be reset for 40 60 psi 2 8 4 1Bar operation Compressor Upgrade kit Note Must have Run T Elimination kit installed and Pressure Control Switch reset for 40 60 psi 2 8 4 1 Bar operation Tubing and fittings to replace Run T assembly Note Must have Ramped Valve Compressor and the Pressure Control Switch must be reset for 40 60 psi 1 Compressor air inlet filter 1 Replaceable filter media 1 Head Pressure Venting System Replace with 203296 Part of Run T Assembly Item 3 E Part of Run T Assembly Item 3 Compressor Control Switch On at 40 psi
13. 2 8 Bar Off at 60psi 4 1 Bar Part of Reservoir Assembly Part of Reservoir Assembly BEER CD NEN Part of Reservoir Assembly Part of Reservoir Assembly Partof Reservoir Assembly Automated Equipment LLC All rights reserved AFD280 280U Comprehensive Service Manual AFD 280 Pressure Regulator Assembly Pressure Reg rater Assembly p n 202051 DETAILS Pressure control knob Pull up to unlock turn to increase or decrease system pressure oe Tube 3 __ Filter Bowl Cover Shield Safety cover for the Filter Bowl Part of Pressure Regulator Assembly 6 213372 Regulator Mounting Screws 2 Secures the regulator to the back pc 202051 Pressure Regulator Assembly 1 Complete Filter Regulator aset 2 Float Valve Part of Pressure Water Trap Bowl Assembly 3 DrainFilter Part of Pressure Water Trap Bowl Assembly 202051 Pressure Regulator Assembly 1 Complete Filter Regulator assembly Copyright 2005 Automated Equipment LLC All rights reserved 39 AFD280 280U Comprehensive Service Manual AFD 280 Manifold Assembly LEFT SIDE VIEW REAR VIEW Manifold Assembly p n 202054 replace with p n 202582 LHEM PAN DESCRIPTION NOS DATA O Pneumatic Manifold Ass
14. 2005 Automated Equipment LLC All rights reserved 18 AFD280 280U Comprehensive Service Manual Function 17 Restore Defaults This function restores the 1 Ib 450gm 1 5 Ib 700gm and tare values to programmed default factory values These will change when the Tare and Calibrate functions are performed In fact they are preferred as they will tailor your weighing parameters to your actual load cell instead of the defined typical load cell This function is intended to be a general purpose function which will restore the memory state of the dispenser to what it was when it was first powered on This function also clears the error log Function 20 will display the specific calibration values Function 18 Clear Errors This function sets each of the counts in the error log to zero This can be done at any time as it has no effect on any other operations We recommend that this be done periodically to prevent records of occasional errors from building up even a perfectly running dispenser will get occasional errors from improper handling and confusing a service tech at a time when the error log could be useful In any case errors should be cleared after every service call to prevent the errors invoked during the call from causing confusion in the future Function 19 Error Counts Displays the word Err Each time the Enter button is pressed it moves to the next error count When the last count is passed the display returns to norma
15. Light Emitting Diodes and the Service interface The displays are detailed in the following sections Examples of their use appear in the sections on diagnosing problems with the different subsystems Input Output LED Indicators On the bottom and top of the controller are the inputs and outputs for the controller In1 In2 Out1 Out2 etc The inputs are located across the bottom of the controller and are numbered right to left Each input is optically isolated and has an LED Light Emitting Diode connected to it The LED is lit when the input is active The outputs are located across the top of the controller and are numbered right to left Each output is optically isolated and has an LED connected to it The LED is lit when the output is active If an output LED is lit and the corresponding device is not actuated there is a problem with that device with the wiring or with the controller s driver circuit Output Connections E Output LED s Input LED s _ Input Connections gt Refer to page 71 and 72 for a list of the input and output LED s Light Emitting Diodes for each controller board used Copyright O 2005 Automated Equipment LLC All rights reserved 14 AFD280 280U Comprehensive Service Manual The Service Interface On the upper right corner of the controller circuit board is the service interface Th
16. MN 55066 U S A AFD 280U VOLTAGE 120 VAC 3 3 A 60 Hz MAX PRESS 80 psi 5 5 bar SERIAL AFDR9601C00001 AFDR9601C00001 AFD N Sequential Number Arch Fry j Dispenser Model Revision Level Date of Manufacture Manufacture Location ie 9601 January 1996 Copyright O 2005 Automated Equipment LLC All rights reserved 9 AFD280 280U Comprehensive Service Manual Sequence of Operations Power Up When the dispenser is turned on two separate processes begin One is the compressor charging if required and the other is the internal self test The self test takes less than one second The dispenser then waits until the compressor reaches operating pressure before starting the main cycle During this phase the dispenser will not attempt to move or actuate anything A detailed timeline follows NOTE The times given in the Typical Time column are based on a typical AFD 280 U running normally Except for the Time outs they may vary The times given are cumulative that is they are the time from power up Typical Time Event Response 0 sec Power Switch Turned ON Amber Light in power switch turns on Dispenser begins self test Controller Display shows all segments lit If reservoir is below operating pressure compressor starts You may hear a hiss from the regulator drain tube until the drain valve closes Self Test Completes Controller shows normal display unless self test
17. RUE 15 16 17 202780 202779 220494 290000 202218 202219 202044 202359 290000 Reivnvin DripPan At Lower Guide Assembly 1 Lower Guide Ultem Runners 2 Runner Mounting Screws 12 Upper Guide Support Bar 2 Upper Guide Assembly offset pin 1 Fillister Screw 2 Upper Guide Ultem Runners 2 Runner Mounting Screws 10 18 Stopgate Assembly 19 20 202366 202884 202885 290533 Drum JL Hopper Support Bar left Hopper Support Bar right Hopper Support Bar Screws hee FUNCTION Cover for the Fry Hopper Funnels fries to the Accumulator Doors area Holds frozen fries for dispensing into baskets On Off Switch and A C circuit breaker Selects fry load sizes and Dispenser operation Starts single basket cycle and resets system error See assembly illustration Senses baskets in the Saddle when the Lift is raised Senses baskets exiting the Lift and on Lower Guide Kit to replace both sensor windows Receives fries from Dispenser See assembly illustration Allows moving the Dispenser for cleaning amp locking position Holds Drip Pan and Lower Guide in place Collects shortening and other waste materials Complete Lower Guide Assembly Basket slide rails Runner mounting screws 6 screws per Ultem Secures the Upper Guide in the proper orientation Complete Upper Guide assembly Locates Upper Guide Position offset Guide Basket slide ra
18. nothing will happen for approximately 1 5 seconds then the controller will reset You will see the segment test flash by and then display error 8 Watchdog Timer Fired NOTE This function causes a Watchdog Timer Error and will be recorded in the error log To prevent confusion you may want to clear the error log Function 18 after using this function Function 11 Load Cell Readout Displays the current load cell reading This is the raw value it is not compensated for any offset or calibration and is used to test the load cell This is a live display and changes constantly with the load cell input The value should read between 30 100 Pressing the select button closes the function Function 12 Actuate Lift Displays the time required for the last lift actuation in tenths of a second e g 23 means 2 3 seconds When this function is entered the stopgate will close to prevent baskets from falling Each time the enter button is pressed the controller will change the state of the output L15 that drives the lift if it is off it will turn it on if it is on it will turn it off After the lift completes it s move the display will change to show the time that the lift took for that actuation This function is used to test the lift cylinder lift cylinder switches and to measure adjust the lift speeds If the dispenser is in an error condition this function will require the Start Reset button to be pressed after entering this functi
19. service to this equipment INTERNATIONAL SAFETY LABELING International Safety Labeling is represented with the below symbols The labels are affixed to the Hopper to clearly indicate areas that could be harmful to the operator of the Dispenser These safety issues are 1 BASKETS CAN BE HOT Baskets should always be picked up by the provided handle 2 NO HANDS BELOW Hands should not be placed near or below the Accumulator doors while the Dispenser is energized BASKETS CAN BE HOT LT NO HANDS BELOW Copyright 2005 Automated Equipment LLC All rights reserved 8 AFD280 280U Comprehensive Service Manual PRODUCT MODEL AND REVISION IDENTIFICATION The Switch Control Panel on the front of the dispenser will clearly indicate the Model Number of the Fry Dispenser being either an AFD 280 or an AFD 280U The AFD 280 is indicated by the Serial Number of the Unit having a letter C in the serial number sequence Example AFDR9602C00000 There were some AFD 280U dispensers built with the AFD 280U cabinet and AFD 280 internal parts They can be identified by having 6 screws holding the back door in place The AFD 280U is indicated by the Serial Number of the Unit having a letter D E or F in the serial number sequence Serial Numbers and Model Identification can be found on the Data Label located on the right side of the Dispenser RAM CENTER INC 5128 MOUNDVIEW DRIVE RED WING
20. 58 AFD280 280U Comprehensive Service Manual AFD 280U Air Reservoir Assembly AFD 280U Air Reservoir Assembly ITEM DESCRIPTION DETAILS 202861 Air Reservoir Assembly Stores Compressed Air for Dispenser Operations 1 202196 Pressure Control Switch Part of Air Reservoir Assembly pr rn meter O EP APA 2 215465 4 Push Tube Fitting Part ofAir Reservoir Assembly 3 202243 Check Valve PartofAir Reservoir Assembly 4 291321 90 Elbow PartofAir Reservoir Assembly 5 202197 Pressure Relief Valve _ Part ofAir Reservoir Assembly 6 291321 90 Elbow PartofAir Reservoir Assembly 7 291324 Branch T Fitting _ PartofAir Reservoir Assembly 3 Pressure Tank ParrofAirReservoirAssembly 9 213477 90 14 Push Tube Fitting Part ofAir Reservoir Assembly Copyright 2005 Automated Equipment LLC All rights reserved 59 AFD280 280U Comprehensive Service Manual AFD 280U Air Pressure Regulator Assembly AFD 280U Air Pressure Regulator Assembly p n 202051 Er Set for 30 psi Part of Pressure Regulator Assembly 3 Lier Bowl Cover Shield 1 Safety cover for the Filter Bowl Part of Pressure Regulator Assembly 6 213372 Regulator Mounting Screws 2 Secures the regulator to the back panel 202051 Pressure Regulator Assembly 1 Complete Filter Regulator assembly
21. Assembly See assembly illustration 11 20205 Air Regulator Assembly See assembly illustration 13 290626 Plus Controller Board 1 Controls Dispenser electrical functions oes Je mere 14 202038 Lower Guide Optical Sensor 1 Senses baskets exiting the Lift and when the TU E A a raised 18 Accumulator Door Carriage Assembly __ See assembly illustration 19 Drum Motor Assembly See assembly illustration Copyright 2005 Automated Equipment LLC All rights reserved 57 AFD280 280U Comprehensive Service Manual AFD 280U Compressor Assembly 202061 202765 202190 202766 202857 202858 213509 213432 215465 202199 219262 DESCRIPTION Air Compressor 110 VAC 60 Hz Air Compressor 100 VAC 50 60 Hz Air Compressor 220 VAC 50 Hz Air Compressor 220 VAC 60 Hz Bubble Shock Mount Socket head cap screw 8 32 X 1 4 Socket head cap screw 8 32 X 1 2 Lock Washer 8 Push fitting 1 4 tube 1 4 NPT Air Filter Assembly with Filter Media Filter Media only 1 1 1 8 4 1 DETAILS Provides compressed air for Dispenser pneumatic system Provides vibration isolation Secures Shock Mounts to Dispenser chassis Secures Shock Mount to Compressor Lock washer for cap screw Attaches 1 4 airline to the Air Compressor Filters air entering the Air Compressor Replaceable filter media Copyright 2005 Automated Equipment LLC All rights reserved
22. Basket Handles will extend to 29 inches 74 cm Fry Dispenser Bulk storage of 42 lbs 19 kg of frozen French Fries Electrically and pneumatically air driven Equipped with swivel casters Holds up to 7 Fry Baskets Disassembles for cleaning FCC STATEMENT WARNING This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause interference to radio communications Copyright O 2005 Automated Equipment LLC All rights reserved 5 AFD280 280U Comprehensive Service Manual WARRANTY Automated Equipment LLC hereinafter AELLC warrants the purchased product to be free from manufacturing defects in material and workmanship under normal use and conditions for the period and component specified below Term Components covered Electronic Circuit Board Assemblies 1 year Electrical and Mechanical Moving Parts 1 year Structural frame work or enclosures 1 year Crew removable components e Drip Tray 90 days e Guide Assemblies amp Slides 90 days e Lift Saddle Assembly 90 days e Hopper Hopper Lid Diverter 90 days e Drum 90 days e Fryer Baskets 90 days e Power Cord 90 days The Warranty period commences on the date of shipment from AELLC for the Frozen Product Dispenser and or Dispenser Accessories hereinafter Product EXCEPT AS OTHERWISE PROVIDED HEREIN AELLC MAKES NO OTHER WARRANTIES EXPRESSED OR IMPLIED AND SPECIF
23. Cylinder Extended e Adjust Accumulator Door Close A adjustment for 1 second closing speed Cylinder Retracted e Lock the settings by lightly tightening the locking nuts e Press the Select button to close the function Copyright O 2005 Automated Equipment LLC All rights reserved 28 AFD280 280U Comprehensive Service Manual Lift Saddle speed adjustments See page 40 60 and 62 for adjusting screw location Normal Conditions Lift Saddle can be actuated by Selecting function F12 on the Controller Board and pressing the Enter Button The 3 digit display will then display the last speed from memory Subsequent pressings of the Enter Button will activate the Lift Saddle up or down and display the traverse speed in 1 10ths seconds i e a display of 24 2 4 seconds Adjust the Lift Speed Up adjustment on the Manifold Block for an up speed of 2 2 2 6 seconds Turn the lift up speed screw clockwise to decrease and counter clockwise to increase the lift up speed Adjust the Lift Saddle down speed with the exhaust needle valve at the bottom of the Manifold Block for a down speed of 2 2 2 6 seconds Lock the setting by lightly tightening the locking nut then re check the down speed time From an Error Condition Function 12 has the ability to check lift speeds even with the Dispenser ina system error condition With a system error the following routine and diagnostics can be performed Select F12 Enter Enters the te
24. Elbow 1 8 NPT Male to 10 32 Barbed Fitting 10 32 Male 1 8 In Barb 202068 Slide Rail 202073 Screws Socket Head Cap 14 20 X 34 220457 Allows Accumulator Assembly Motion Sensing 202173 Screws M6 x 16mm i Secures Clevis Pins 202082 213356 Retaining Ring E Clip 2 Secures Accumulator Door Shafts Part of Accumulator Door Chassis Secures Accumulator Chassis Assembly 202048 Screws Allen Head Cap 14 20 X 3 12 Lock Washer 4 202045 Screw Flat Head 4 20 X 1 220459 Cylinder Plate 220499 Shaft Collar Shaft Collar Set Screw 8 32 X 12 220480 Accumulator Door Left not shown Load Cell includes mounting hardware 213143 Screws Socket Head Cap 4 20 X V2 213142 Lock Washers 4 202901 Accumulator Cylinder Jam Nut 5 8 18 1 Locks Cylinder Shaft adjustment Spacer for Accumulator Chassis Secures Cylinder Plate to Accumulator Chassis Air Cylinder Mounting Plate Secures Shaft Collar to Shaft Accumulator door and shaft weldment left hand Secures Load Cell to Dispenser Chassis NE n E 3 Wen 4 2 2 1 6 6 213422 Flange Bearing 4 Bearing for Accumulator Door Shafts 4 ER Zz a ER 1 1 1 1 1 1 3 1 4 2 2 1 4 4 1 4 4 4 4 1 2 1 1 1 1 2 2 1 Copyright 2005 Automated Equipment LLC All rights reserved 41 AFD 280 Stopgate Assembly 203092 Cotter Pin P N DESCRIPTION 202056 Air Cylinder 213
25. Elimination Kit Tubing and fittings to replace Run T assembly Note Must have Ramped Valve Compressor and the Pressure Control Switch must be reset for 40 60 psi 219262 Filter media only 1 Replaceable filter media elle Run T Assembly No Longer Available CS Head Pressure Venting System Replace with 203296 Airflow Bypass Solenoid No Longer Available Part of Run T Assembly Item 3 Part of Run T Assembly Item 3 3 Part of Run T Assembly Item 3 Compressor Control Switch See Note in item 1 2 7 5 2 i i 8 202197 Pressure Relief Valve Part of Reservoir Assembly 9 213477 Airline Fitting 90 1 4 Push Tube Part of Reservoir Assembly 10 291324 4 Way fitting Part of Reservoir Assembly EH 1 Nipple fitting hex 1 4 NPT Vibration isolation i 22051 Compressor Mounting Plate Mounting plate for compressor 20209 Compressor Vibration Mounting 4 Vibration isolation 1 202878 Airline 4 X 24 24 Airline from compressor to reservoir Compressed air storage Copyright O 2005 Automated Equipment LLC All rights reserved 37 AFD 280 Compressor Assembl AFD280 280U Comprehensive Service Manual Style B AFD 280 Compressor Assembly Style B 202190 202766 202765 203281 203296 202199 219262 213478 202196 216493 291321 202243 202197 291321 291324 202861 202065 220512 202091 202482 202061
26. LC Controller Board 290322 1 2 LC1 r3 ps DR O Ox Je vee FA a la H9 L17 L16 L15 L14 L13 L12 L11 L10 O O ei QO Q i i 1 I j 000000000 000 000000 00000 a SS L9o L8o Lo L6o L50 L4oL3o L20 7 See uj SR TU DOI I Ji FIr JE IN INR IL NN ff at Ss Jui C ME LIE d J1 A 5 et 9 LHOIHAdOD AHVOS ON 4 EE z 228062 Nid ONI H31N32 Wen ITEM DESCRIPTION ITEM DESCRIPTION ITEM DESCRIPTION 1 Power Input 24 VDC L2 Lift Optical Sensor L10 Rotate Drum 2 Grounding Screw L3 Guide Optical Sensor L11 Lamp Start Reset push button 3 Select Button L4 Lift Up L12 Not Used 4 Enter Button L5 Lift Down L13 Not Used 5 E PROM L6 Air Present Switch L14 Not Used LC1 Weight Sensor Connector L7 Load Selector 1 51b setting L15 Solenoid Valve Lift Cylinder J1 Not Used L8 Load Selector 1 01b setting L16 Solenoid Valve Accumulator Doors J2 Not Used L7 amp L8 Both OFF Single Mode L17 Solenoid Valve Stopgate J3 Not Used L9 Start Reset push button H9 Remove Jumper WIRING CONNECTORS FOR CONTROLLER BOARD
27. fries The basket cycle is similar to high production the dispenser senses when the lower guide is full and alters the cycle accordingly The object is to have fries available as soon as possible in case of a sudden demand To do this the dispenser continues the cycle until there are three full baskets on the lower guide one full basket in the lift and one load of fries waiting in the accumulator doors NOTE The times given in the Typical Time column are based on typical AFD 280 U operations The times given are cumulative they are the time from the start of the cycle Typical Time 0 sec 2 sec 4 sec 5 sec 2 sec 7 sec 8 sec 10 sec Event Basket Removed from lower guide Lift down Lift time out Guide sensor time out Basket detected on lower guide Basket clears the lift Lift Up Lift time out Basket Cycle Triggered Basket Detected at lift Basket Settled Fries Ready Fries Dispensed Staging Time out Continuous Dispensing The AFD 280 U dispenser has two automatic mode settings 1 0 lb 450gm And 1 5 Ib 700gm In the continuous modes a new basket cycle is automatically started at the end of each basket cycle The green restart button is constantly lit Response When the guide sensor indicates that the lower guide is no longer full the lift saddle goes down This should take between 1 6 and 4 4 seconds if it does not an error 2 or 3 will occur During this time the dispen
28. has been assembled improperly If the cause is not immediately apparent the error code can be read from the display on the controller The error code will be displayed on the controller unless a function is being used until the restart button is pressed If the restart button has been pressed you can find out what the last error was by using the display last error function Function 42 You can also look at the counts of the errors using Function 19 this is useful if errors are occurring frequently NOTE If no error is displayed but the restart light is flashing slowly the system is indicating that it is unable to achieve a full load of fries This usually means that the hopper is empty If it is not refer to the section on diagnosing the weighing system The following table is a summary of the errors below are detailed explanations of the errors and their possible causes Operating Pressure has dropped below 20 PSI 1 4 BAR The lift is moving too slow time is more than 4 4 seconds 6 LIFT DOWN SWITCH An error has occurred involving the lift down switch I8 WATCHDOG The watchdog timer fired abnormal reset 9 NVRAM Checksum error for the non volatile storage If the display remains blank or remains with all segments on 888 the EPROM and or controller board is defective Error 1 Air Loss The Air Present Switch located on the filter regulator is not registering L6 Possible causes e T
29. software 290063 290063 Not available obsolete X Not compatible JUMPER SELECTION AFD 280 AFD 280U X jumper installed Copyright 2005 Automated Equipment LLC All rights reserved 72 AFD280 280U Comprehensive Service Manual Electrical Schematics AFD 280 Electrical Schematic Copyright 2005 Automated Equipment LLC All rights reserved 73 AFD280 280U Comprehensive Service Manual AFD 280U Electrical Schematic AFD 280U cabinet and AFD 280 internal components Copyright 2005 Automated Equipment LLC All rights reserved 74 AFD280 280U Comprehensive Service Manual AFD 280U Electrical Schematic 018 N29 418 LE STAR LB LOAD ACCUMULATOR 1 5 LB LOAD gt T AIR PRESENT ke SW4 LFT U nd O Ow 2 LIFT UP E e p 3 LS1 2 8 Je Es 2 NO A di d E am E um E m 2 2 gl d 2 ar g LOAD LC1 D ae HS a 4 CRN YEL Tasa N INOI ll CVH CIN Copyright 2005 Automated Equipment LLC All rights reserved 75 AFD280 280U Comprehensive Service Manual AFD 280U REVISION 9 Revision 9 of the dispenser no longer has circuit breaker CB1 in the drum motor circuit This is the only change in this revision Revision 6 dispensers can be upgraded to Revision 9 sta
30. succeeds in receiving a full load Error Mode There are several ways that the normal cycle can be interrupted Each way represents something that will prevent the dispenser from functioning or may present a hazard to crew or equipment In these cases when the dispenser detects such a condition it will halt operation and allow the crew to correct the problem The sequence when an error is detected is as follows 1 The restart light begins flashing quickly about five times per second 2 The error code appears on the Diagnostic display of the Controller Board see next section 3 The drum motor stops turning 4 The stopgate and accumulator doors close 5 The lift goes down The dispenser will remain in this mode until restarted After the problem has been corrected the dispenser can be restarted by pressing the restart push button The restart light will stop flashing the lift will go up and both the weighing cycle and basket cycles will resume NOTE Should the restart button not stop flashing when pressed the air present switch is not registering In this case the compressor system should be investigated Error 1 should be displayed on the controller board Copyright O 2005 Automated Equipment LLC All rights reserved 13 AFD280 280U Comprehensive Service Manual The Diagnostic Displays The AFD 280 controller has two displays that can be used to identify and correct most problems with the dispenser These are the I O Point LED s
31. 20 X 5 8 Secures Stopgate Chassis Assembly to the Dispenser panel 213142 Lock Washer 4 12 2 2 2 2 2 2 12 213356 EClp 13 220499 Shaft Collar Protect Dispenser inside from contaminants 202214 Shaft Collar Set Screw Secure Shaft Collar to Shaft 220505 Stopgate Weldment de Stopgate welded assembly Secures Stopgate shaft to assembly Copyright 2005 Automated Equipment LLC All rights reserved 64 AFD280 280U Comprehensive Service Manual AFD 280U Lift Cylinder Assembly FRONT VIEW SIDE VIEW Lift Cylinder Assembly EM 202194 Lift Cylinder Down Switch Detects when the Lift Cylinder is down 202516 Switch Mounting Strap Secures the Lift Switch Lift Cylinder Pneumatic Actuator for the Lift Saddle 202517 Jam Nut 16 UNC Secures the Cylinder to the chassis 213369 Airline Fitting 1 8 NPT M X 1 4 0D Airline connection 1 1 1 3 202194 Lift Cylinder Up Switch 1 Detects when the Lift Cylinder is up 4 Attaches to Lift Cylinder Shaft contacts Lift Saddle 202518 Lift Cylinder Cap 202782 Lift Saddle Assembly 220456 Saddle Post 202293 Saddle Post Set Screw Ya X 12 10 202174 Bolt 2 13 X 1 4 Secures the Saddle Post to the chassis 213264 Washer Y2 4 Transports the baskets to the Lower Guide Guides the Lift Saddle Saddle Post alignment adjustment Copyright O 2005 Automated Equipment LLC All rights reserved 65
32. 220490 No longer available Shown for reference only ITEM DESCRIPTION DETAILS 220489 Basket Runners Ultem Slide runners for baskets 290000 Mounting screws for the Ultem runners Upper Guide Assembly Offset Pin Item 1 p n 202219 ITEM DESCRIPTION DETAILS 202359 Basket Runners Ultem Slide runners for baskets 290000 Mounting screws for the Ultem runners Copyright O 2005 Automated Equipment LLC All rights reserved 49 AFD280 280U Comprehensive Service Manual AFD 280 Upper Guide Support Assembly Note The first 175 units manufactured in 1995 have centered pin guides Newer units have the offset pin guides AFD 280 Centered Guide Pin Item 4 213539 Socket Head Cap Screw 1 4 20 X 1 4 Secures Mounting Plate to Dispenser Chassis 213142 Lock Washer 1 4 4 7 202174 Socket Head Bolt 1 2 X 1 1 4 2 Secures Upper Guide Posts to Mounting Plate 213264 Lock Washer 1 2 2 AFD 280 Offset Guide Pin Item 4 202073 Socket Head Cap Screw 1 4 20 X 3 4 Adjusts Mounting Plate positioning 213539 Socket Head Cap Screw 1 4 20 X 1 4 Secures Mounting Plate to Dispenser Chassis 213142 Lock Washer 1 4 4 7 202174 Socket Head Bolt 1 2 13 x 1 1 4 2 Secures Upper Guide Posts to Mounting Plate 213264 Lock Washer 1 2 2 Copyright 2005 Automated Equipment LLC All rights reserved 50 AFD280 280U Comprehensive Service Manual AFD 280 Lower Guide Lower Guide Assembly p n 202
33. 318 Airline Fitting 44 Push type elbow n a Mounting Bracket part of item 1 213143 Socket Head Cap Screw 14 20 X 12 202970 Cylinder Linkage and Clevis Pin n a Clevis Pin part of item 5 202176 Bolt 4 20 X 3 213142 Lock Washer 4 220466 Outer Bearing Plate 220498 Stopgate Shaft Linkage 202082 Clevis Pin 4 X 1 202081 Hairpin Clip 213422 Flange Bearings 202073 Socket Head Cap Screw 4 20 X 34 213142 Lock Washer 4 220499 Shaft Collar 202214 Shaft Collar Set Screw 8 32 X 12 220505 Stopgate Weldment 220461 Spacer Tie Rod 202175 Inner Bearing Plate 213356 Retaining ring E Clip Y AFD280 280U Comprehensive Service Manual SIDE VIEW REAR VIEW D DETAILS Pneumatic actuator for the Stopgate Secures the Pueumatio Cylinder to the Dispenser chassis Secures mounting bracket to the Dispense chassis Linkage attached to Air Cylinder Shaft Secures Clevis Pin Secures Shaft Linkage to Door Linkage Secures Outer and Inner Bearing Plates together Secures Linkage to SE Door Shaft Secures Stopgate Assembly to the Dispenser chassis Protects Dispenser inner cabinet from contamination Secures the Shaft Collar to the Stopgate Shaft Welded Stopgate Door and Shaft assembly Provides proper spacing between the Bearing Plates Mounting for Stopgate assembly Secures Stopgate Shaft to Bearing Plates Copyright 2005 Automated Equ
34. 5 Accumulator Door Weldment Right Accumulator Door and Shaft shown 213356 E Clip Secures Accumulator Door Shaft within Accumulator Assembly 1 220499 Shaft Collar 1 per shaft Protects inner Dispenser cabinet from contamination 202214 Shaft Collar Set Screw 8 32 X 12 Secures Shaft Collar to shaft 19 202901 Cylinder Shaft Jam Nut 5 8 X 1 2 Locks Cylinder Shaft adjustment 4 4 1 2 2 1 2 2 1 1 2 1 2 2 2 Copyright O 2005 Automated Equipment LLC All rights reserved 63 AFD280 280U Comprehensive Service Manual AFD 280U Stopgate Assembly REAR VIEW Stopgate Assembly DESCRIPTION 202902 Air Cylinder Assembly Items 1 amp 2 14 Push Tube Fitting 90 elbow 202974 Flange Bearing Bearing for Stopgate shaft 202975 Washer Spacer 6 i SC 7 amp 8 203000 Air Cylinder Shaft End Block Connects Air Cylinder to Stopgate Linkage 7 202082 Clevis Pin 1 Secures Linkage to End Block 203092 Cotter Pin 1 203093 Flat Washer 1 203090 Stopgate Actuator Linkage Linkage attached to Stopgate shaft 1 1 1 1 1 7 amp 8 290676 Kit Stopgate Linkage Stopgate linkage repair kit 202082 Clevis Pin Secures Linkage to Stopgate shaft 202081 Hairpin Clip 202901 Cylinder Shaft Jam Nut Secures and adjusts Air Cylinder shaft to End Block 10 11 213145 Socket Head Cap Screw 14
35. 779 Item 1 ITEM P N DESCRIPTION DETAILS 220494 Basket Runners Ultem Slide runners for baskets 290000 Copyright O 2005 Automated Equipment LLC All rights reserved 51 AFD280 280U Comprehensive Service Manual AFD 280U Product Changes 2 x e prom Front Panel Operations Customization Operational characteristics of the AFD 280U Fry Dispenser can be customized using the front panel controls Configure Switch Position 1 for Automatic Dispensin AFD 280U ON A OFF BASKET PUSH TO START RESET Y ON ERROR MESSAGES SLOW BLINK HOPPER EMPTY FAST BLINK REFER TO EQUIPMENT MANUAL Turn the dispenser off Wait 15 seconds Select Position 1 SINGLE 75 LB 350 gm Hold in the RESET BUTTON While holding in the reset button turn the Fry Dispenser power ON I This modification to the dispenser operation is non volatile This setting does not change when the dispenser power is turned off In order to return the dispenser to position 1 being single mode the procedure must be performed again Copyright 2005 Automated Equipment LLC All rights reserved 52 AFD280 280U Comprehensive Service Manual Configure Bypass Mode Operation In the event of an internal component failure causing repeated system errors this BYPASS mode of operation can be selected to allow usage of the Fry Dispenser When the BYPASS mode is activated a SINGLE basket of fries will be dispensed
36. 9 v 1 F B MJONITIAO X000 HOLVINANIOV JAVA A X JAVA A93H9 hoe HOLIMS JYNSSIYd DANA MOTIZA Hy 7 ANIA SY10 1 Copyright 2005 Automated Equipment LLC All rights reserved 80 AFD280 280U Comprehensive Service Manual NOTES Copyright 2005 Automated Equipment LLC All rights reserved 81
37. 90626 290063 202038 202038 290685 202057 202377 AFD 280 Compressor Assembl AFD280 280U Comprehensive Service Manual DESCRIPTION Air Compressor Ramped Valve 110V 60 Hz Air Compressor Ramped Valve 220V 50 Hz Air Compressor Ramped Valve 220V 60 Hz Air Compressor Ramped Valve 100V 50 60 Hz Run T Assembly No Longer Available Compressor Pressure Control Switch Pressure Relief Valve Compressor Air Inlet Filter Filter Media only Air Reservoir Assembly Mounting Clamps Power Supply International Power Stand Off Screw Washer Stopgate Assembly Upper Guide Support Alignment Assembly Pneumatic Manifold Assembly Pressure Regulator Assembly Din Rail Terminal Assembly Circuit Breaker Rear Caster Plus Controller Board E prom Lower Guide Optical Sensor Basket Lift Optical Sensor Load Cell replacement kit including mounting hardware 1 4 20 x 5 8 cap screws and 4 lock washers Accumulator Doors Load Cell Assembly Accumulator Door Air Cylinder Assembly Drum Motor Assembly Tubing Replacement Kit Style A Copyright 2005 36 FUNCTION Provides compressed air for Dispenser operations Head pressure vent system Control compressor On at 40 psi Off at 60 psi Over pressure protection Filters air going into the compressor Filter media only Stores system compressed air Secures Air Reservoir to Dispenser chassis Provides 24 5 VDC for system operation
38. AUTOMATED EQUIPMENT LLC MODEL AFD 280 AFD 280U McDonald s Fry Dispensers Be Domestic English Version AUTOMATED COMPREHENSIVE SERVICE MANUAL EQUIPMENT P N 203456 REV B MANUFACTURED FOR e z McDONALD S BY AUTOMATED EQUIPMENT LLC 5140 MOUNDVIEW DRIVE RED WING MN 55066 U S A PHONE 1 800 248 2724 1 651 385 2273 FAX 1 651 385 2166 Service FAX 1 651 385 2172 http www autoequipllc com Business Hours 8 00 AM to 5 00 PM CST After hours your call will be handled by a pager service a Technical Support Representative will return your call The information in this manual is subject to change without notice IN NO EVENT WILL AUTOMATED EQUIPMENT LLC BE LIABLE FOR TECHNICAL OR EDITORIAL OMISSIONS MADE HEREIN NOR FOR DIRECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES RESULTING FROM THE FURNISHING PERFORMANCE OR USE OF THIS MATERIAL This guide is copyrighted with all rights reserved Under the copyright laws this guide may not be copied in whole or part without the written consent of AUTOMATED EQUIPMENT LLC Product names mentioned herein are for identification purposes only and may be trademarks and or registered trademarks of their respective companies THIRD EDITION January 2002 Written and Illustrated by Kirby Kuhlemeier Copyright O 2005 Automated Equipment LLC All rights reserved 1 TABLE OF CONTENTS
39. ICALLY DISCLAIMS ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE AELLC shall not be liable for any direct indirect consequential damages including damages for loss of business profits business interruption loss of business information and the like arising out of the use of or inability to use the Product THIS WARRANTY IS VOID IF THE PRODUCT IS NOT FUNCTIONING CORRECTLY DUE TO ABUSE OR NEGLECT BY THE PURCHASER ITS EMPLOYEES AGENTS OR OTHER REPRESENTATIVES EITHER BY BREAKING BENDING MISUSE ABUSE DROPPING ALTERATION IMPROPER MAINTENANCE OR ANY OTHER FORM OF NEGLECT OR IMPROPER USAGE THIS WARRANTY DOES NOT COVER DAMAGE TO THE PRODUCT CAUSED BY NATURAL CAUSES SUCH AS LIGHTNING ELECTRICAL CURRENT FLUCTUATIONS FLOOD FIRE TORNADOES OR OTHER ACTS OF GOD AELLC WILL INVOICE PURCHASER FOR REPAIRS MADE NECESSARY BY THE HEREIN LISTED CAUSES This warranty is governed by the substantive laws of Minnesota U S A without giving effect to the conflict of law provisions This warranty is non transferable and applies only to the original Purchaser Copyright O 2005 Automated Equipment LLC All rights reserved 6 AFD280 280U Comprehensive Service Manual REQUESTING SERVICE ASSISTANCE OR PARTS WARRANTY SERVICE Warranty service must be initiated by calling AELLC s Technical Support Hot Line at 1 800 248 2724 U S Canada or 651 385 2273 to establish all warranty requests AELLC Technical Support personnel wi
40. NUAL Turn the dispenser off Wait 15 seconds Select Position 3 1 5 LB 700 gm Hold in the RESET BUTTON While holding in the reset button turn the Fry Dispenser power ON I Exercise mode is indicated by the dispenser going into motion with the Reset Button dark Wait a couple seconds for the controller to power up before releasing the reset button This modification to the dispenser operation is temporary When the Fry Dispenser power is turned OFF O the dispenser resets to normal operations when the power is turned ON I again NOTE ALWAYS ALLOW 15 SECONDS BEFORE TURNING THE FRY DISPENSER POWER SWITCH ON I AFTER BEING TURNED OFF O Copyright 2005 Automated Equipment LLC All rights reserved 54 AFD280 280U Comprehensive Service Manual Major Assemblies AFD 280U AFD 280U Front View AFD 280U Front View ITEM 1 7 202038 Guide Optical Sensor 202619 Window Replacement Kit 219129 202368 202381 215607 215606 216489 290771 seen 202008 PAN 202364 219129 8 P N 2 2 2 DESCRIPTION NO Hopper Lid Fry Diverter Hopper S On Off Switch with circuit breaker Selector Switch Start Reset Push button Switch Bulb Only Button Lens Only Accumulator Doors Assembly Lift Optical Sensor Roa i1 92078 Saddle Assembly 1 13 21659 Front Casters with Brakes 2 13 290687 Locatorpin 2
41. OPENING SPEED of the Accumulator Doors 202090 Airflow Adjustment Accumulator CLOSE A Controls the CLOSING SPEED of the Accumulator Doors 202021 Airflow Adjustment Lift Cylinder UP speed Controls the UP SPEED of the Lift Cylinder 219010 Manifold Solenoid amp manual activator Switches the Stopgate airflow for OPEN amp CLOSE 19 219010 Manifold Solenoid amp manual activator 1 Switches the Accumulator Doors airflow for OPEN amp A BEF Aan Doss 20 219009 Manifold Solenoid amp manual activator 1 Opens airflow to the Lift Cylinder to raise UP P Me Solenoid UI LEET Outputs 202242 Manifold Vent Exhausts manifold intermittent air pressures 23 Manifold Mounting Bracket Mounting for the Manifold Assembly 24 213143 Allen Head Cap Screws 2 Secures Mounting Bracket to Dispenser chassis 213142 Star Washers 2 Copyright 2005 Automated Equipment LLC All rights reserved 61 AFD280 280U Comprehensive Service Manual AFD 280U Manifold Assembly Style B LEFT SIDE VIEW FRONT VIEW AFD 280U Manifolds Assembly Style B p n 202582 ITEM DESCRIPTION 02582 Pneumatic Manifold Assembly 13318 Airline Fitting 90 1 4 Push Tube 2 2 ion Airline Fitting Straight 1 4 Push Tube ion fitting i OPAQUE airline to fitting at bottom of Lift Cylinder 0328 Airline Fitting 1 4 Barbed 202090 Airflow Adjustment Accumulator CLOSE A 202090 Airflow Adjustment Accumul
42. Pneumatic Diagram HJONIIAO 3 100VS Lel Al3NIBVO NI 31OH NIVSG OL v TE Gd X90778 v 1 Gd IVENIVN 91 9 3d TIVENLVN 1 NMOQ l3 YOSNIS C S E E 3SIMMOO 9 YSLNNOD SNvVHX3 14M 3700wS ial pl YOLVINOSY 431114 HOLIMS 1 Hero LAS v 1snrav 3unss34d dn 1411 3100vs 3ON3SdHd lv c 8 ISMPOV NIJO S300Q Wnoov f z Pe 2d CAS v Lsnrav aaso10 SO Wnoov m LY eo SAS 8 1snrav N3dO 31v9 dOIS v 1snrav d3s019 31v9 dOIS A ad N3349 v 1 uOlvino3H NOYA LINI qIJOAINYN SAA dn 147 LS YOSNIS LIADO SAS D Da Gad aay v 1 f 34 3M8 v 1 YSGNITAD 31v9 dOls gt 15 p Re S ZH OS OWA oez O6LZOZ x ZH 09 OWA 022 99 006 O ZH 09 OWA SiL L90Z0C a ZH 09 08 OWA 00 S9LZOZ Li HOSS3HdNOO CIAJ X v IAO O 5 a g v dx Kee SMS Gd A3H
43. The default value is 16 oz 450gm Pressing the enter button causes the value to increase by 1 ounce 25gm each time it is pressed When the desired value is reached press the select button to close the function Function 7 Adjust 1 0 target downward Displays the current target value for use when weighing 1 Ib 16 oz 450gm loads in ounces or grams depending on units setting of F25 The default value is 16 oz 450gm Pressing the enter button causes the value to decrease by 1 ounce 25gm each time it is pressed When the desired value is reached press the select button to close the function Function 8 Adjust 1 5 target upward Displays the current target value for use when weighing 1 5 Ib 24 oz 700gm loads in ounces or grams depending on units setting of F25 The default value is 24 oz 700gm Pressing the enter button causes the value to increase by 1 ounce 25gm each time it is pressed When the desired value is reached press the select button to close the function NOTE Adjusting the target weight above 1 5 Ib 700gm is NOT recommended for proper cooking Function 9 Adjust 1 5 target downward Displays the current target value for use when weighing 1 5 Ib 24 oz 700gm loads in ounces or grams depending on units setting of F25 The default value is 24 oz 700gm Pressing the enter button causes the value to decrease by 1 ounce 25gm each time it is pressed When the desired value is reached press t
44. adjustment e Turn the Dispenser power OFF and release air pressure in the Reservoir by pulling up the ring on the Safety Relief Valve at the top of the Air Reservoir e Manually retract close the Stopgate Air Cylinder e Observe the angle between the Stopgate and the Upper Guide it should be 90 degrees To make an adjustment e Loosen the Jam Nut at the end of the Cylinder Shaft e Screw the Cylinder Shaft in or out of the Linkage until the angle is 90 degrees e Tighten the Jam Nut onto the Linkage to lock this setting Accumulator Door Linkage To check the adjustment e Turn the Dispenser power OFF and release air pressure in the Reservoir by pulling up the ring on the Safety Relief Valve at the top of the Air Reservoir e Close the Accumulator Doors by fully retracting the Cylinder Shaft Push the Linkage Block toward the Air Oylinder with your finger and observing the Accumulator Doors closing with an approximate 1 8 3 mm clearance gap To make an adjustment e Loosen the Jam Nut at the end of the Cylinder Shaft e Adjust the clearance by screwing the Cylinder Shaft in or out of the Linkage Block to attain the proper Accumulator Door clearance e Lock the setting by tightening the Jam Nut onto the Linkage Block Copyright O 2005 Automated Equipment LLC All rights reserved 30 AFD280 280U Comprehensive Service Manual Lift Cylinder Switches To check the adjustment Turn the Dispenser Mode Switch to the Single Positi
45. at the lift goes down removing the basket from the lift saddle will cause an error 4 The basket usually enters the lift at about the time the weighing cycle begins This can vary considerably depending on the use of the dispenser However the basket cycle can t continue until a load of fries is ready The following timeline assumes that the weighing cycle started at the same time as the basket cycle When the weighing cycle has completed the accumulator doors open and close twice and then remain open During this time the dispenser ignores input from the lift sensor If the guide sensor detects a basket the lift saddle does not go down The accumulator doors remain open for 5 seconds then close and the weigh cycle is triggered The accumulator doors close and the weigh cycle is triggered Automatic cycling will continue until there are three filled baskets on the lower guide The dispenser will automatically maintain three filled baskets on the lower guide When a filled basket is removed a new cycle will start to replace that basket Copyright 2005 Automated Equipment LLC All rights reserved 12 AFD280 280U Comprehensive Service Manual Single Basket Mode In the single mode the dispenser will fill baskets only on demand A basket cycle is initiated by pressing the green restart push button When pressed the button will light and remain lit until the basket cycle is completed Both the basket cycle and the weighing cycl
46. at the selected weight Basket weight will be determined by the Load Cell therefore the weight SELECTION switch can be utilized AFD 280U ON OFF BASKET SINGLE LOAD THB y BN PUSH TO START RESET ERROR MESSAGES SLOW BLINK HOPPER EMPTY FAST BLINK REFER TO EQUIPMENT MANUAL Turn the dispenser off Wait 15 seconds Select Position 2 1 LB 450 gm Hold in the RESET BUTTON While holding in the reset button turn the Fry Dispenser power ON 1 BYPASS MODE is indicated by double flashing of the Reset Button This modification to the dispenser operation is temporary When the Fry Dispenser power is turned OFF O the dispenser resets to normal operations when the power is turned ON I again NOTE ALWAYS ALLOW 15 SECONDS BEFORE TURNING THE FRY DISPENSER POWER SWITCH ON AFTER BEING TURNED OFF Copyright 2005 Automated Equipment LLC All rights reserved 53 AFD280 280U Comprehensive Service Manual Exercise Mode Operation Exercise Mode provides a means of testing and breaking in mechanical components When the dispenser is put into Exercise mode it runs all of the mechanical components in sequence While it is running it maintains the last lift cylinder actuation time on the controller display AFD 280U ON PUSH TO START RESET N Z Ke 4 A ERROR MESSAGES SLOW BLINK HOPPER EMPTY FAST BLINK REFER TO EQUIPMENT MA
47. ator OPEN B 20202 Airflow Adjustment Lift Cylinder UP speed 21901 Manifold Solenoid amp manual activator 219010 Manifold Solenoid amp manual activator 219009 Manifold Solenoid amp manual activator 215468 Electrical Connector 8 position Controls the OPENING SPEED of the Accumulator Doors Controls the UP SPEED of the Lift Cylinder CLEAR airline to top Accumulator Cylinder fitting Switches the Stopgate airflow for OPEN amp CLOSE i i i 2 203282 Airli 213372 Allen Head Cap Screws 10 32 X 2 Secures Manifold Assembly to Mounting Bracket 23 203294 Airflow adjustment Lift Cylinder DOWN Controls the DOWN SPEED of the Lift Cylinder 202090 Airflow Adjustment Stopgate CLOSE A Controls CLOSING SPEED of the Stopgate Cylinder m 1 i i 0 02090 Airflow Adjustment Stopgate OPEN B Controls the OPENING SPEED of the Stopgate Cylinder a Controls the CLOSING SPEED of the Accumulator Doors Connects Solenoid Wiring to the Controller Board Outputs Exhausts manifold intermittent air pressures Switches the Accumulator Doors airflow for OPEN amp Lift Cylinder DOWN is controlled by 12 1 7 10 11 12 13 14 15 16 17 18 19 20 21 22 202242 Manifold Vent Copyright 2005 Automated Equipment LLC All rights reserved 62 AFD280 280U Comprehensive Service Manual AFD 280U Accumulator Doors Load Cell Assembly SIDE VIEW REAR VIEW
48. ator Turns ON with object detection Sensitivity Gain Adjustment Gain Adjustment Copyright 2005 Automated Equipment LLC All rights reserved 46 AFD280 280U Comprehensive Service Manual AFD 280 24 5 Volt Power Supplies a T 120 VAC 50 60 Hz 220 VAC 50 60 Hz Linear Power Supply p n 216044 DETAILS to PAC Line Input AC Line Voltage Jumper Wire Transformer jumper VDC Negative Output 24 VDC Negative output connection VDC Positive Output 24 VDC Positive output connection VeutAdjustmentPotentiometer Adjusts Power Supply DC Output to 24 5 VDC 216044 Power Supply International Power 3 6 A 1 24 5 VDC Power Supply 215473 2PositionConnectorPlug JL 1 Connects Power to Controller Board Switching Power Supply p n 202493 No longer available call for information ITEM DESCRIPTION DETAILS 1 A C Power Supply Line Input TI AC Line Connection Point pa ll A C Power Supply Line Input AC Line Connection Point 4 DC V Output Negative DC output connection point 5 D C V Output Positive DC output connection point 6 Voutadjustment 24 5 VDC voltage output adjustment potentiometer 7 Output Indicator LED LED is ON when VDC is present at output terminals 8 PowerS
49. by hand to collapse the bridge Bridging of fries usually occurs when a large number of fries are kept in the hopper for several hours and have been allowed to partially thaw 3 The low fries indication can be caused by a mechanical failure of the drum motor weighing system or a tripped circuit breaker When a Low Fries condition occurs 1 The restart light will begin flashing slowly about one flash per secona 2 The drum will stop turning 3 Awaiting basket will not be filled even with a partial load of fries in the accumulator doors 4 The lift will remain in the up position a clear difference between a low fries and error condition The drum stops for two reasons First to reduce the risk to the crew who will be refilling the hopper Second to minimize the wear on the motor The dispenser will retry the weighing again in 90 seconds this is to minimize crew interaction The expected behavior when the hopper is empty 40 seconds of drum turning 90 seconds of drum halted 40 seconds turning 90 seconds halted and so on After refilling the hopper press the start reset push button and the following events occur 1 The restart light will stop flashing 2 There will be a two second pause for load cell stabilization 3 The weighing cycle will restart Without pressing the start reset button the weighing process will automatically resume after a 90 second period The restart light will stop flashing after the dispenser
50. cycled Function 4 Tare Pressing enter button immediately returns the display to normal Establishes a new zero point for the load cell Before entering this function be sure that the accumulator doors are empty This can be accomplished by disabling the weighing Function 3 and running a basket through to make the dispenser drop the fries into the basket Function 5 Calibrate NOTE For accurate calibration tare the weighing system Function 4 before calibrating Displays the word CAL on the display Clean off the accumulator doors and apply a 1 0 pound 450gm reference weight Four 1 48 Patties for example Wait at least 10 seconds for the load cell to stabilize then press the enter button again The display will return to normal This function uses the reading for the 1 Ib 450gm reference weight to calculate the target weights for the 1 0 Ib 450gm and 1 5 Ib 700gm loads Function 6 Adjust 1 0 target upward Displays the current target value for use when weighing 1 0 Ib 450gm loads The default value is 51 Pressing the enter button causes the value to increase by 3 each time it is pressed This corresponds to approximately 1 oz 25 gm When the desired value is reached press the select button to close the function Copyright O 2005 Automated Equipment LLC All rights reserved 17 AFD280 280U Comprehensive Service Manual Function 7 Adjust 1 0 target downward Displays the current target value for use when w
51. der out of position The connection between the Lift Up Switch and the controller board is faulty The Lift Up Switch has failed The Lift Saddle Cylinder is leaking air The Lift Saddle Cylinder has failed The mounting strap is too tight causing the switch to stay on Error 8 Watchdog or Abnormal Reset The controller board has reset itself while the power was on Possible causes Someone executed function 10 Watchdog timer test Someone cycled the power quickly Ensure the switch remains off for at least 15 seconds when cycling power There is excessive electrical interference The 24 volt dc power supply is failing or wiring has shorted or opened Verify 24 volt dc power supply indicates 24 5 volts dc 2 Copyright O 2005 Automated Equipment LLC All rights reserved 25 AFD280 280U Comprehensive Service Manual Error 49 NVRAM Checksum Error NVRAM Non Volatile Random Access Memory The controller board keeps a code in it s memory that tells whether the stored data is good or not This error indicates that the data in the memory is not good The error history and calibration constants are kept in this memory and will not be valid if this error occurs NOTE Because the error history is kept in the NVRAM this error is not recorded NOTE This error will only happen during power up NOTE This may occur when replacing the controller board or EPROM software chip Possible causes e The NVRAM is failing The con
52. dles Hand holds for Back Panel 202585 Screws Secures the Back Panel to the machine 202539 Retainer Plastic Holds screws to Back Panel 202892 Nut U clip Attachment point for screws 4 202518 Lift Cylinder Cap Adjustable Attaches to Lift Cylinder Shaft contacts the Saddle 5 216595 Allows Dispenser movement for cleaning 216596 Front Caster with brake 7 202513 Lift Cylinder Cover Lift Cylinder protective cover 1 1 1 1 2 2 2 2 1 1 1 1 1 Allows Dispenser movement locks position 220497 Lift Cylinder Cover Nut Secures the Lift Cylinder Cover 8 202782 Lift Saddle Assembly 1 Carries baskets from the Upper to the Lower Guide Copyright O 2005 Automated Equipment LLC All rights reserved 56 AFD280 280U Comprehensive Service Manual AFD 280U Rear View eH AFD 280U Rear View Ap TS o 202061 Air Compressor Ramped Valve 110V 60Hz Compressed air source for Dispenser operations 202190 Air Compressor Ramped Valve 220V 50Hz 202766 Air Compressor Ramped Valve 220V 60Hz 202765 Air Compressor Ramped Valve 110V 50 60Hz Airline 1 4 x 24 5 202199 Air Inlet Filter 1 Filters air entering the Air Compressor MUERA AA 6 202861 Air Reservoir Assembly See assembly illustration 8 202900 Stopgate Assembly See assembly illustration 9 202582 Manifold Assembly Seeassemblyillustrati n 10 Upper Guide Support
53. e Regulator Adjust the Pressure Regulator Setting to 30 psi 2 1 bar by pulling up the control knob and turning it clockwise to increase or counter clockwise to decrease the pressure Lock the adjustment by pushing the control knob back down into the lock position After a few basket cycles check the pressure setting again Copyright O 2005 Automated Equipment LLC All rights reserved 27 AFD280 280U Comprehensive Service Manual Air Present Switch The Air Present Switch is part of the Pressure Regulator Assembly To check the settings e Lower the Pressure Regulator Setting by pulling up the control knob and slowly turning it counter clockwise to decrease the system air pressure while observing the LED L6 on the controller board The LED should go OFF at 18 psi 1 2 bar e Raise the Pressure Regulator Setting by slowly turning the control knob clockwise to increase the system air pressure while again observing LED L6 on the controller board The LED should go ON at 20 psi 1 4 bar To make an adjustment e Remove the allen head cover screw or paper cover from the bottom center of the Air Present Switch e Insert the allen wrench back into the access hole and turn the adjustment set screw clockwise to increase the setting or counter clockwise to decrease the setting e DO NOT re install the allen head cover screw if applicable e Reset the Pressure Regulator to 30 psi 2 1 bar and lock the adjustment by pushing the control
54. e are triggered by pressing the push button If the accumulator doors are empty the dispenser will weigh a load of fries From this point the cycle proceeds normally weighing the fries filling the basket and transferring them to the lower guide When the lift reaches the bottom a new weighing cycle is triggered Unlike the continuous modes when the lift reaches the top the green restart light will go out and the basket cycle will stop The weighing cycle will complete but the new load of fries will be kept in the accumulator doors until the push button is pressed again This mode of operation is most useful during the slow hours of the day It allows the crew to remove several of the baskets and never have more than one load of fries staged Fries Low Bridging If the dispenser is unable to weigh a full load of fries within 40 seconds the dispenser will give a Low Fries indication Start Reset push button flashes slowly The Low Fries indication can actually be caused by several conditions 1 The most common condition is the hopper being empty or nearly empty In this case refill the hopper with Frozen French Fries to resume operation 2 Occasionally an air pocket of fries can form around the dispenser drum This can occur when fries above the drum lock together forming a bridge The drum then dispenses all the fries under the bridge and is unable to dispense any more Fry bridging is resolved by gently stirring the fries around
55. e service interface consists of three LED alpha numeric displays and two push buttons The left push button is called the SELECT function button it is used to SELECT a function to be entered or cancel functions in progress The right push button is called the ENTER function button it is used to ENTER a selected function The Service Interface is illustrated below SELECT ENTER The following sections discuss the operations of the service interface Power Up During power up the controller performs a display segment test The display will briefly show all eights as shown below for this test During the segment test the controller will also run a test on it s memory and program Should these tests fail the controller will stop leaving the segment test on the display Normally the segment test will flash briefly then the normal operation display will appear 080 Normal Operation During Normal Operation the display will show a series of horizontal bars as shown below This display indicates that all tests have passed no errors have occurred and no function is in use If the controller does not give this display shortly after power up there is a problem Error Mode When an error occurs the START RESET button will flash rapidly 5 times per second and the lift will go down Normally an error condition can be cleared by pressing the START RESET button If an error persists or occurs too often you may need to know what e
56. eighing 1 0 Ib 450gm loads The default value is 51 Pressing the enter button causes the value to decrease by 3 each time it is pressed This corresponds to approximately 1 oz 28 gm When the desired value is reached press the select button to close the function Function 8 Adjust 1 5 target upward Displays the current target value for use when weighing 1 5 Ib 700gm loads The default value is 77 Pressing the enter button causes the value to increase by 3 each time it is pressed This corresponds to approximately 1 oz 28 gm When the desired value is reached press the select button to close the function NOTE Agjusting the target weight above 1 5 Ib 700gm is NOT recommended for proper cooking Function 9 Adjust 1 5 target downward Displays the current target value for use when weighing 1 5 Ib 700gm loads The default value is 77 Pressing the enter button causes the value to decrease by 3 each time it is pressed This corresponds to approximately 1 oz 28 gm When the desired value is reached press the select button to close the function Function 10 Watchdog test The controller has an internal timer that resets in the event that an electrical surge causes the controller circuitry to freeze During normal operation the controller program signals the timer several times per second to prevent it from firing This function tests the timer by locking up the program so the watchdog timer fires When this function is selected
57. embly Distributes airflow to pneumatic cylinders Replace with part number 202582 and 2 screws part number 213372 2 213318 Airline Fitting 90 4 Push Tube 1 8 NPT Airline Fitting Straight 4 Push Tube 1 8 NPT 6 202478 Manifold Output CLOSE Stopgate 1 RED Airline to bottom Stopgate Cylinder fitting WE 202481 Manifold Output CLOSE Accumulator Doors CLEAR airline to bottom Accumulator Cylinder fitting o L im Manifold Output RAISE Lift Cylinder 1 OPAQUE airline to fitting at bottom of Lift Cylinder Airline Fitting P Barbed 219010 Manifold Solenoid amp manual activator SV2 Activates the Accumulator Doors airflow for OPEN amp CLOSE 219009 Manifold Solenoid amp manual activator SV1 Activates airflow to the Lift Cylinder to raise UP 215468 Electrical Connector 8 position Connects Solenoid Wiring to the Controller Board Outputs 202242 Manifold Vent Exhausts manifold intermittent air pressures Copyright 2005 Automated Equipment LLC All rights reserved 40 AFD280 280U Comprehensive Service Manual AFD 280 Accumulator Doors Load Cell Assembly SIDE VIEW REAR VIEW Accumulator Doors Load Cell Assembly ITEM DESCRIPTION DETAILS 203282 Straight Fitting 1 8 NPT Male 1 4 In Barb Airline fitting 202057 Accumulator Doors Air Cylinder Pneumatic actuator opens and closes doors 90 Barbed Fitting Assembly Airline fitting assembly 90
58. ent until service can be performed on the dispenser Bypass Mode is further identified by double flashing of the reset button Function 25 Select Weight Units US or In Entering this function permits selection of ounces or grams as the weighing units Pressing the enter button will toggle the display between ounces US and grams In international for the weight units Pressing the select button sets the displayed weight units for dispenser operations Function 26 Exercise Mode volatile setting When the dispenser is in the exercise mode all systems will continuously cycle The display will read out the lift Speed each time the lift traverses The exercise mode is designed to break in a replaced component and allow simple adjustments to the lift speeds The exercise mode is volatile and will reset when the dispenser power is turned off Function 27 Display EPROM Revision Level Entering this function displays the revision level of the installed EPROM Function 28 Segment Test Verifies that all the display segments are functional The display segments will illuminate in a moving display Copyright 2005 Automated Equipment LLC All rights reserved 22 AFD280 280U Comprehensive Service Manual Error Definitions When an error occurs the light in the restart button begins flashing rapidly about 5 flashes per second and the lift goes down In most cases this signals the need for a minor adjustment or a component
59. erue s poe tes Nr eR te 59 AFD 280U Air Pressure Regulator Assembly 60 AFD 280U Manifold Assembly Style Aoc pic bec rete D er ec e Eod E rata ne dites tetes 60 AFD 280U Manifold Assembly Style B tern et ertet te bre el ep Crede per tien e dE 62 AFD 280U Accumulator Doors Load Cell Assembly oooococccccoccccccocancconanannccnnnnnnncnnnnnnoncnnnnnann conca 63 AFD 280U Stopgale Assis dde 64 AFD 280U Lift Cylinder Assembly terme ii nettet 65 AFD 280U Saddle ASS mbly aid 66 AFD 280U Drum Motor Assembly iii 67 AFD 280U Opita SEISOlS cape Eois EE 68 AFD 280U 24 5 Volt SITE 69 AFD 280U Upper Guide Assembly ree te toon teet terae Rd ao dx e tod eee 69 AFD 280U Upper Guide Support Assembly issus 70 AFD 2800 Lower Guide ASSOIbly scaena e tgp cO Pate pete ge ekle diu Rida dass 70 Controller Boards eren rn rs snm Don ian dare lia Controller Board 2020952 estos u de ne rojas 71 Controller Board 290322 ntl tette qe deme un Delos GA 71 Controller Board KEE 72 SOFTWARE E PROM SELECTION ee anne nn aten ne Renan enana hann ema nasa maman as nnn rna JUMPER SELECTION E 72 Electrical SchematiCS rena rer rni ne rei ei ai AFD 280 Electrical Schematic eee tht ett tet ettet e teh cd nd ta 73 AED 280U Electrical Schola ree e toes acp eres ecu dta blues ide 74 AFD 280U Electrical Schematic s uo li 75 AFD 280U REVISION KEE 76 Switeh WINO DEE Pneumatic DiagramS EN AED 2980 Pneurmatie Ee
60. es the right to make suitable substitutions in materials depending upon their availability WARNING Only trained and or qualified personnel should perform service to this equipment Service functions described in this manual could cause irreversible damage to the equipment and or injury to personnel if performed improperly If the power cord is damaged it must be replaced by the manufacturer or its service agent or a similarly qualified person in order to avoid a hazard Automated Equipment LLC All rights reserved AFD280 280U Comprehensive Service Manual SAFETY Here are some guidelines for operating and maintaining the AFD280 U Dispenser Disconnect the Dispenser Power Cord from the wall outlet before inspecting Inspect the Dispenser on a regular basis to identify problems before they occur Keep the Dispenser clean Keep hands away from the Accumulator Doors and Dispenser Drum while the Dispenser is operating Fryer Baskets may be hot Do NOT roll the Dispenser to the back sink for cleaning this will cause unnecessary wear on the Dispenser If the supply cord is damaged it must be replaced by the manufacturer or its service agent or a similarly qualified person in order to avoid a hazard DO NOT SPRAY DOWN THE DISPENSER WITH WATER It is not sealed against jetting water and contamination may get into sensitive components This will void the warranty WARNING Only trained and or qualified personnel should perform
61. etric conversions stated are approximate HAZARD COMMUNICATION STANDARD HCS The procedures in this manual may include the use of chemical products These chemical products will be highlighted with boldface letters followed by the abbreviation HCS in the text portion of the procedure See the HCS Manual for the appropriate Material Safety Data Sheets MSDS IMPORTANT This equipment is only to be installed in locations where use and maintenance is restricted to trained personnel This equipment must be placed on a horizontal surface with a tilt of less than 2 degrees SPECIFICATIONS The Fry Dispenser consists of the following components e Fry Dispenser AFD 280 U e 10 Fry Baskets Modified Optional Equipment e Replacement Extra Fry Baskets Electrical Requirements Ratings depend on product destination requirements 120 VAC 4 Amp 60 Hertz 220 10 VAC 2 0 Amp 50 Hertz 240 10 VAC 2 0 Amp 50 Hertz Other Ratings Noise Emissions 70 dB A Maximum Altitude 6000 ft 1525 meters Maximum Humidity 9596 non condensing Ambient Temperature 4 60 C 40 140 F Date of Manufacture The manufacturing date is encoded into the serial number identification label on the side panel of the fry dispenser Example s n AFDR9612C00000 indicates a manufacturing date of 12 96 or December 1996 Space Requirements Clear floor space near fry vat at least 28 inches 72 cm wide and 24 inches 60 cm deep
62. eu EE 78 AFB 280U Pneumatic Diagramme ood e ceto Lt RE moet bue e oi tiae uo etu A MN is 79 AED 290U Pneumatic Diagram caa Lope sene anios 80 L m Copyright O 2005 Automated Equipment LLC All rights reserved 4 AFD280 280U Comprehensive Service Manual INTRODUCTION The Fry Dispenser is a compact automated system that replaces manual basketing of fries and the equipment that goes with it The Fry Dispenser automatically weighs 12 ounce 850 gm 16 ounce 450 gm or 24 ounce 700 gm loads of frozen french fries and dispenses them into the fry baskets The Fry Dispenser s Hopper holds 42 lbs 19 kg of frozen fries prior to Basket Loading A rotating Dispenser Drum inside the Hopper transfers the frozen fries onto the Accumulator Doors where an electronic Load Cell accurately weighs the French Fries Empty Fry Baskets are manually placed on the Upper Guide The Fry Baskets slide under the Accumulator Doors where French Fries are dispensed into them The Basket Lift then lowers the filled Fry Baskets onto the Lower Guide where the Fry Baskets wait to be picked up by a crew person The Fry Dispenser is usually positioned to the right of an existing fry station and requires 28 linear inches 72 cm of floor space 10 modified Fry Baskets are provided with this equipment NOTE This equipment is manufactured in the U S therefore all hardware measurements are in English and the m
63. fails If self test fails all display segments will be lit all display segments will be off or display will show Error 9 depending on the failure Lift Cylinder Times out If the lift has not been detected in the down position Error 3 will occur Drain Valve closes Hiss from beneath dispenser stops Pressure gauge begins to climb 35 sec Operating Pressure Reached Air Present switch activates input L6 on controller board Dispenser raises lift and opens stopgate then initiates the main cycle The Pressure Gauge will stop climbing at 30 PSI but the compressor will continue running Air Present Times out If the Air Present switch has not activated an Error 1 will occur Maximum Pressure Reached Compressor turns off Normal Weighing Cycle The function of the fry dispenser is to dispense pre weighed amounts of fries into baskets The weighing cycle is triggered when the selector switch is in the automatic modes or when the restart button is pressed in the single mode NOTE The times given in the Typical Time column are based on typical AFD 280 U operations The times given are cumulative they are the time from the start of the cycle Typical Time Event Response Weighing Cycle Triggered Weighing must wait for the accumulator doors to close During a normal cycle they will be closed before the weighing cycle is triggered 0 sec Accumulator Doors Closed After the accumulator doors close the dispenser waits 2 seconds
64. for the load cell to stabilize 2 sec Initial Reading After the load cell has stabilized the dispenser takes an initial reading If the reading shows that the accumulator doors are empty or near empty this reading is used as the zero reference If the reading shows significant weight part or all of the weighing cycle will be skipped Start Drum Motor The drum motor is turned on at full speed until the load cell indicates that the weight of fries is within a quarter of a pound of the desired weight 10 sec Half speed The drum motor will begin a pulsing movement designed to slowly deliver fries to the accumulator doors This improves the accuracy of the weighing 15 sec Full Weight When the load cell reads full weight the drum motor stops The dispenser waits an additional 2 seconds for the load cell to stabilize 17 sec Stable Weight If the load cell reading remains within tolerance the weighing sequence ends 40 sec Weighing Time out If the dispenser has been unable to attain the target weight the drum motor stops and the dispenser gives a low fries indication Slow blink of the Start Reset button 130 sec Weighing Retry If the weighing sequence times out the dispenser restarts the weighing cycle after 90 seconds Copyright O 2005 Automated Equipment LLC All rights reserved 10 AFD280 280U Comprehensive Service Manual Normal Basket Cycle High Production Rates The dispenser automatically places pre weighed loads of fre
65. g cycle started at the same time as the basket cycle close twice and then remain open 20 sec Fries Dispensed During this time the dispenser ignores input from the lift sensor If the guide sensor detects a basket the lift saddle does not go down The accumulator doors remain open for 5 seconds then close and the weigh cycle is triggered 22 sec Lift down The lift down switch closes indicating the lift saddle is down From this point if the lift sensor detects something error 4 will occur The accumulator doors close and the weighing cycle is triggered 24 sec If the lift down switch closes before 1 6 seconds error 2 will occur If the lift down switch does not close within 4 4 seconds error 3 will occur 25 sec Guide sensor time out If the guide sensor has not detected the basket error 5 will occur This usually indicates that the basket has stopped short of the sensor or is stuck in the lift saddle guide ensure the basket has cleared the lift saddle Lift Up The lift up switch closes indicating the lift saddle is up The stopgate opens 27 5 sec Lift time out If the lift up switch closes before 1 6 seconds error 2 will occur If the lift up switch does not close within 4 4 seconds error 3 will occur Copyright O 2005 Automated Equipment LLC All rights reserved 11 AFD280 280U Comprehensive Service Manual Normal Basket Cycle Low Production Rates At low production rates the dispenser stages baskets of
66. haft to the Motor Shaft 203284 Applied LocTite thread locking compound Secures the Set Screws 11 220508 Drum Motor Shaft Collar Protects inner Dispenser cabinet from contamination 202072 Shaft Collar Set Screw Secures the Shaft Collar to the shaft Copyright O 2005 Automated Equipment LLC All rights reserved 67 AFD280 280U Comprehensive Service Manual AFD 280U Optical Sensors Optical Sensor p n 202038 P N NO 220492 Mounts Locates the Optical Sensor Bolt 20 X Ya Secures Mounting Bracket to Dispenser Back Panel 213142 Lock Washer 4 213141 Flat Washer 4 202619 Sensor Window Kit Sensor Output LED Indicator Turns ON with object detection Sensitivity Gain Adjustment Gain Adjustment Copyright 2005 Automated Equipment LLC All rights reserved 68 AFD280 280U Comprehensive Service Manual AFD 280U 24 5 Volt Power Supply Switching Power Supply p n 202793 1 DC V Output Positive DC output connection point 2 DCVOupt Negative DC output connection point 3 Power Supply Ground Connection Power Supply AC Ground Connection 4 AC Power Supply Line Input AC Line Connection Point 5 A C Power Supply Line Input AC Line Connection Point 6 Voutadjustment DC voltage output adjustment potentiometer 7 Outputindicator LED LED is ON when 24 VDC is present at output terminals 8
67. he drain valve on the filter regulator did not close properly preventing the compressor from reaching operating pressure If this occurs the compressor will run continuously and air will be leaking from the drain tube beneath the dispenser Clean or replace the water trap bowl e The filter regulator water trap bowl is damaged Replace the water trap bowl e The air present switch is set too high The air present switch should be adjusted to close L6 on at 20 PSI 1 4 bar and open L6 off at 18 PSI 1 2 bar e There is an air leak in the dispenser plumbing preventing the compressor from reaching operating pressure If this occurs the compressor will run continuously and you may hear air hissing from the site of the air leak e The pressure at the filter regulator is set too low below 20 PSI 1 4 bar Operating pressure is 30 PSI 2 1 bar e Something is blocking the airflow in the air lines debris or a kink in the line Dispenser may operate intermittently Monitor the pressure gauge on the filter regulator If the pressure drops below 20 PSI 1 4 bar during operation this is a possible cause e The compressor pressure switch mounted on the top of the air reservoir is set too low This can be checked by turning the filter regulator adjustment knob fully clockwise The filter regulator pressure gauge is now monitoring pressure in the air reservoir The compressor pressure switch should be set to turn on at 40 PSI 2 8 bar and off a
68. he select button to close the function Copyright O 2005 Automated Equipment LLC All rights reserved 20 AFD280 280U Comprehensive Service Manual Function 17 Restore Defaults Note Function 17 will reset the units to US units If international units are preferred Function 25 must be performed This function recalls the 75 lb 350 gm 1 lb 450 gm 1 5 lb 700 gm and tare values to programmed default factory values These will change when the Tare and Calibrate functions are performed This function is intended to be a general purpose function which will restore the memory state of the dispenser to what it was when it was first powered on This function also clears the error log Function 20 will display the specific calibration values Function 19 Error Counts Displays the Err when the function is first entered Each time the Enter button is pressed it moves to display the next error and counts When the last error count is passed the display returns to the normal mode The error counts are displayed in numerical order Error 9 is not recorded For example if you saw this sequence of displays Err 1 0 2 0 3 1 4 3 5 2 6 0 7 21 8 0 This would indicate that since the last time the errors were cleared there had been 1 error 3 3 error 4 s 2 error 5 s and 21 error 7 s Function 20 Parameters Displays the word Con Each time the enter button is pressed it moves t
69. ils Runner mounting screws 5 screws perUltem See assembly illustration Dispenses fries to the Accumulator Door area Holds the Hopper in proper orientation Copyright 2005 Automated Equipment LLC All rights reserved 55 AFD280 280U Comprehensive Service Manual AFD 280U Side View Rear Access Door hardware Item 3 Item e Part Qty Description Number n U Clip mounts on 202892 2 py dispenser Retaining Washer holds 202539 2 202585 in place persas Machine screw 202585 2 10 32 x 1 Pocket Pull door handle 202523 2 AFD 280U Side View ITEM DESCRIPTION FUNCTION 203425 Inlet Power Cord USA Japan Provides electrical power from wall outlet Plugs into 202946 Inlet Power Cord European power cord inlet 202942 Inlet Power Cord Great Britain 202950 Inlet Power Cord Australia 202172 Hard wired Power Cord USA Japan 202790 Hard wired Power Cord European 202354 Hard wired Power Cord Australia a a 2 290311 Kit Power Cord USA Japan Power cord kit that converts from power cord inlet to 290308 Kit Power Cord European hard wired power cords 290312 Kit Power Cord Australia For more information see replacement part procedures at http www schwanstech aed com ESCH ES scu NEM EBENE Le 1 2 2 Provides electrical power form wall outlet Hard wired power cords 3 202890 Back panel Removable cover for internal access 202523 Han
70. ipment LLC All rights reserved 42 AFD280 280U Comprehensive Service Manual AFD 280 Lift Cylinder Assembly FRONT VIEW SIDE VIEW 123 16 Mn 12 1 4 Mex lt Lift Cylinder Assembl ITEM DESCRIPTION NO DETAILS 1 202194 Lower Lift Cylinder Switch Detects when the lift is in the down position 202516 Lift Cylinder Switch Mounting Strap 202055 Lift Cylinder Secures the switch to the cylinder Pneumatic cylinder which actuates the lift Secures the Lift Cylinder to the Dispenser chassis Airline connection 202517 Lift Cylinder Mounting Nut 34 16 213369 Airline Fitting 1 8 NPT M X 1 4 0D 3 220496 Lift Cylinder Cover AFD 280 1 Protective cover for the Lift Cylinder Detects when the lift is in the up position Secures the switch to the cylinder Secures the Lift Cylinder Cover to the Dispenser Attaches to Lift Cylinder Shaft contacts Lift Saddle Transports the Baskets to the Lower Guide Guides the Lift Saddle Provides access to the lower Lift Cylinder Components Secures the access plate to the Dispenser body Secures the Saddle Posts to the Dispenser chassis 5 7 220491 Lift Cylinder Access Plate 202046 Screws 10 32 X 34 10 202066 Bolts Ya 13 X 1 AFD 280 213264 Lock Washer 2 4 202194 Upper Lift Cylinder S
71. is connected or disconnected while the Dispenser power is ON Load Cell Connector Start Light Select Enter C 00 o e ad e e ensor e 1 54 Load Air Present Upper Sensor Copyright 2005 Automated Equipment LLC All rights reserved 32 AFD280 280U Comprehensive Service Manual AFD 280 280U System Functions and Operation The following switches and buttons are located on the Operator Panel SINGLE 1 LB NS SS ERROR MESSAGES SLOW BLINK HOPPER EMPTY AFD 280U ON OFF BASKET PUSH TO START RESET ERROR MESSAGES SLOW BLINK HOPPER EMPTY FAST BLINI R TO FAST BLINK REFER TO EQUIPN NUAL EQUIPMENT MANUAL Power Switch Supplies electrical power to the Arch Fry Dispenser Illuminates when the Arch Fry Dispenser has power Load Select Switch Three Position Switch that allows the operator to select Basket Load weights and control dispenser operation e SINGLE Stops automatic Fry Basket loading Press the Start Reset Button to dispense only 1 Fry Basket of Fries pre set to 1 5 Ib 700gm NOTE With 2 x e prom installed the SINGLE position is pre set to 3 4 lb 350gm e 10 LB 450gm Position for continual dispensing of 1 Ib 450gm Basket Loads e 1 5 LB 700gm Position for continual dispensing of 1 5 Ib 700gm Basket Loads Start Reset Button Press to sta
72. itch position 1 is 12 oz 350 gm Pressing the enter key causes the value to decrease by 1 oz 25 gm with each activation When the desired value is reached press the select key to close the function and set the value Function 23 Position 41 Control Status Entering this function displays AU or SL The AU display indicates that switch position 1 75lb 350gm is set to function in the automatic mode just like the other two selector switch positions Pressing the enter button will now toggle the display between AU and SL When the display indicates SL pressing the select button again will set the 1 selector switch position to single mode and close the function Copyright 2005 Automated Equipment LLC All rights reserved 21 AFD280 280U Comprehensive Service Manual Function 24 Bypass Mode Enable volatile setting Entering this function the display will read either nor Bypass mode disabled or bYP Bypass mode enabled When the Bypass mode is enabled the dispenser will ignore any error conditions and cycle in the single mode only A basket will dispense each time the control panel reset button is pressed The selector switch will select the load sizes in all three positions This function is volatile meaning that the bypass mode will disable when the power is turned off This function is designed to allow usage of the fry dispenser even when there is a problem with a component or an adjustm
73. knob back down into the lock position After a few basket cycles check the pressure setting again Power Supply e With a D C Voltmeter measure the output of the power supply at the Red and Black wire terminals e f necessary adjust the Vout potentiometer in the power supply for 24 5 Volts D C Manifold Air Flows Stop Gate opening and closing speeds See page 40 60 and 62 for adjusting screw location e To activate the Stopgate Select function F14 on the Controller Board and press the Enter button Successive activation of the Enter button will cycle the Stop Gate Note The Stopgate can also be activated by depressing the manual poppet valve on the solenoid e Adjust Stop Gate Open B adjustment for 1 second opening speed Cylinder Extended Gate Open e Adjust Stop Gate Close A adjustment for 1 second closing speed Cylinder Retracted Gate Closed e Lock the settings by lightly tightening the locking nuts e Press the Select button to close the function Accumulator Door opening and closing speeds See page 40 60 and 62 for adjusting screw location e To activate the Accumulator Doors Select function F13 on the Controller Board and press the Enter button Successive activation of the Enter button will cycle the Accumulator Doors open and closed Note The Stopgate can also be activated by depressing the manual poppet valve on the solenoid e Adjust Accumulator Door Open B adjustment for 1 2 second opening speed
74. l mode The error counts are displayed in numerical order Error number 9 is not included error number 9 indicates a memory failure and therefore renders any history meaningless For example if you saw this sequence of displays Err 0 0 q g 9 0 24 0 This would indicate that since the last time the errors were cleared there had been 1 error 3 3 error 4 s 2 error 5 s and 21 error 7 s This would indicate a problem with the lift up switch Function 20 Parameters Displays the word Con Each time the enter button is pressed it moves to the next weighing parameter When all three parameters have been displayed the display returns to the normal mode The weighing parameters are in order of appearance 1 The 1 0 lb 450gm target This is the number of digitizer steps equal to 1 0 Ib 450gm The default value is 51 2 The 1 5 Ib 700gm target This is the number of digitizer steps equal to 1 5 lb 700gm The default value is 77 3 Default tare This is the value that the dispenser uses for zero when it first powers up The default value is 77 If the load cell has been calibrated or the loads adjusted these may be slightly different For details see the section on operation calibration of the load cell Copyright 2005 Automated Equipment LLC All rights reserved 19 AFD280 280U Comprehensive Service Manual Expanded Function Reference for 2 x soft
75. ll determine the cause of failure and provide the appropriate resolution If replacement parts are required parts will be provided by AELLC or by an authorized Service Support Center Parts Distributor NON WARRANTY SERVICE Service is normally conducted by customer appointed personnel or by contracting a local service agent Service fees are in accordance with industry standards Replacement parts are available through local Service Support Center Parts Distributors or direct from AELLC by calling 1 800 248 2724 U S Canada or 651 385 2273 in the event a local distributor is not available AELLC s Technical Support Hot Line is available for telephone assistance providing AELLC product technical support parts and parts information and service agent referral Contact AELLC s Technical Support Hot Line at 1 800 248 2724 U S Canada or 651 385 2273 Record the following information for your records Date of Installation Service Agency Telephone Serial Number Copyright 2005 7 When repairing this unit use only replacement parts supplied by AELLC or supplied by an AELLC Factory Authorized Parts Distributor Use of replacement parts other than those supplied by AELLC or by an AELLC Factory Authorized Parts Distributor will void the warranty All shipping charges are F O B AELLC and are subject to change without notice Prices will be those in effect at the time of shipment Automated Equipment LLC reserv
76. nch fries into fryer baskets This process runs together with the weighing cycle described in the previous sections The basket cycle may be triggered by the dispenser itself in the automatic modes or by the restart button in the single mode The following timeline gives the sequence of operations when there are two or less baskets on the lower guide NOTE The times given in the Typical Time column are based on typical AFD 280 U operations The times given are cumulative they are the time from the start of a cycle Basket Cycle Triggered A basket will not be filled unless the weigh cycle is completed and a basket is detected The basket cycle may be triggered at any time indicated by a steady green light on the restart button but will be immediately suspended until this condition is met During continuous operation the basket cycle will be triggered immediately when the lift is up 0 sec Basket Detected at lift The lift sensor detects a basket The dispenser waits one second to ensure the basket has settled into the lift Basket Settled The stopgate closes Between this time and the time that the lift goes down removing the basket from the lift saddle will cause an error 4 The basket usually enters the lift at about the time the weighing cycle begins This can vary considerably depending on the use of the dispenser However the basket cycle can t continue until a load of fries is ready The following timeline assumes that the weighin
77. o the next weighing parameter When all parameters have been displayed the display returns to the normal mode The weighing parameters are in order of appearance 1 Switch position 1 target the number of digitizer steps that represents 75lb 350gm The default value is 38 39 2 Switch position 2 target the number of digitizer steps that represents 1 0lb 450gm The default value is 51 50 3 Switch position 3 target the number of digitizer steps that represents 1 5lb 700gm The default value is 77 78 4 Default tare the value that the dispenser uses for zero when it first powers up The default value is 40 40 30 100 acceptable If the load cell has been calibrated or the loads adjusted these may be slightly different For details see the section on operation calibration of the load cell Function 21 Adjust Switch Position 41 UP Displays the current target value in ounces or grams depending on units setting of F25 for use when weighing 3 4 Ib 12 oz 350 gm loads The default value for switch position 1 is 12 oz 350 gm Pressing the enter key causes the value to increase by 1 oz 25 gm with each activation When the desired value is reached press the select key to close the function and set the value Function 22 Adjust Switch Position 1 DOWN Displays the current target value in ounces or grams depending on units setting of F25 for use when weighing 75 Ib 12 0z 850 gm loads The default value for sw
78. of the functions Copyright 2005 Automated Equipment LLC All rights reserved 16 AFD280 280U Comprehensive Service Manual Function Reference for 1 0 software Function List The following is a complete list of the available functions l6 ladjustt 0Oup Adjusts the 1 0 Ib 450gm target upward in increments of 3 about 1 oz I8 ladjustt5up Adjusts the 1 5 Ib 700gm target upward in increments of 3 about 1 oz 9 adjust 1 5 down Adjusts the 1 5 Ib 700gm target downward in increments of 3 about 1 oz Function 1 Restart Returns immediately to the normal display This function serves the same purpose as the restart button on the front panel Provides a means of restarting the dispenser from the back of the dispenser Function 2 Display Last Error Displays the error number of the last error This allows the dispenser to be restarted after an error and then find out what the error was while the dispenser is in service Exit using either the select or enter button Function 3 Disable Weighing Pressing enter button immediately returns the display to normal Turns the weighing process on and off This is used for testing the mechanical systems Inhibits the dispenser from dispensing and weighing fries Commonly used for testing the mechanical Systems or diagnosing calibrating the load cell If weighing is not turned back on it will be automatically restarted the next time the dispenser power is
79. on Remove the Saddle from the Lift Press the Start Reset push button The Dispenser will go into an error condition Manually raise and lower the Lift Cylinder and observe L4 Lift Up and L5 Lift Down on the Controller Board e With the Lift Cylinder fully extended up L4 should be illuminated and stay illuminated as the Lift Cylinder is slowly lowered approximately 1 4 1 2 6 mm 13 mm e Observe L4 for a single switch closure in its operating range 1 4 1 2 6 mm 13 mm from raised blinking on and off as the Lift Cylinder is lowered indicates a fault e With the Lift Cylinder fully retracted down L5 should be illuminated and stay illuminated as the Lift Oylinder is slowly raised approximately 1 4 1 2 6 mm 18 mm e Observe L5 for a single switch closure in its operating range 1 4 1 2 6 mm 13 mm from lowered blinking on and off as the Lift Cylinder is raised indicates a fault To make an adjustment Remove the Lift Cylinder Cap Remove the Cylinder Cover Nut and Cylinder Cover Observe the Upper Lift Cylinder Switch and securing strap The Lower Lift Cylinder Switch is accessible from the Side Access Plate on the AFD 280 and from the rear of the Dispenser on the AFD 280U Loosen the lock nut and allen head screw on the securing strap and adjust the position of the Cylinder Switch for proper operation The Lift Cylinder Switches also have LED s mounted on them to assist in positioning
80. on Lift cylinder speeds should be between 2 2 and 2 6 seconds If the cylinder speeds are faster than 1 6 seconds or slower than 4 4 seconds a system error will be generated Function 13 Actuate Doors Display remains F13 Each time the enter button is pressed the controller will change the state of the output L16 that drives the Accumulator Doors if it is off it will turn it on if it is on it will turn it off This function is used to test the accumulator door cylinder and adjust the accumulator door speeds Function 14 Actuate Stopgate Display remains F14 Each time the enter button is pressed the controller will change the state of the output L17 that drives the Stopgate if it is off it will turn it on if it is on it will turn it off This function is used to test the stopgate cylinder and adjust the stopgate speeds Function 15 Actuate Drum Display remains F15 Each time the enter button is pressed the controller will change the state of the output L10 that drives the Dispenser Drum Motor if it is off it will turn it on if it is on it will turn it off This function is used to test the Drum Motor Function 16 Actuate Light Display remains F16 Each time the enter button is pressed the controller will change the state of the output L11 that drives the Restart Light if it is off it will turn it on if it is on it will turn it off This function is used to test the Restart Light Copyright
81. rnrnn enana nn rre narnia 18 F rielion 10 Watchdog A EE 18 Function 11 Load Cell ea TEE 18 F ction 12 Actuate E EE 18 F n ti n 13 Ee RTE 18 Function 14 Ee EE 18 Function 15 Actuate Dr aaa 18 Function 16 Actuate Ee adios 18 Function 17 Bestere Delaulls a deett ase kenne dee te dc 19 iuge Neid el 19 EUnction 1 9 Gel EE 19 Function 20 Parameters PED perdia 19 Expanded Function Reference for 2 x software ss Function 6 Adjust 1 0 re Ee EE EE 20 Function 7 Adjust 1 0 target downward tret eot etate rue demo teta ts 20 Function 8 Adjust 1 5 re DEET EE 20 Function 9 Adjust 1 5 target downward rette reus Ru ee EEN 20 Function 1 7 Restore Defaults mete ter iret eur esie e a Lu Dra s ERI init ege 21 Function 19 deele EE 21 Furctloriz9 s an EE 21 Copyright O 2005 Automated Equipment LLC All rights reserved 2 TABLE OF CONTENTS Function 21 Adjust Switch Position 1 UP E 21 Function 22 Adjust Switch Position 1 DOWN eene 21 Function 23 Position 1 Control Status ENEE SEENEN Ee 21 Function 24 Bypass Mode Enable volatile setting 22 Function 25 Select Weight Units US or In sise 22 Function 26 Exercise Mode volatile setting cooonnnnononccccnnnnnnnnncncnccccnnencnnnnnnnnncernnnnnnnnnnnacnos 22 Function 27 Display EPROM Revision Level 22 FUNCION 28 Segment Test oui xe a Rer eo cope ev etd iden ide eue uas 22 ETTOF DETINIONS M
82. rror is occurring When an error occurs the center digit of the display is replaced with an error code The example below is displaying error code 4 f f DN d m e Explanation of the error codes will be found in the troubleshooting section of this manual Copyright O 2005 Automated Equipment LLC All rights reserved 15 AFD280 280U Comprehensive Service Manual Selecting a Function The controller has functions to observe adjust and test the operations of the dispenser Functions are accessed using the following procedure 1 Press the SELECT function button the number of times as the function number desired Each time you press the SELECT button the display will show the function code for the function that is ready to be ENTERED The example below shows Function 7 decrease 1 0 Ib 450gm loads The Function Button was depressed 7 times AAD NOTE If the display is left in the above mode the display will return to Normal Operation after a few seconds This is a safety feature to prevent functions from being selected by accident 2 When the display shows the desired function number press the ENTER button to enter the selected function Pressing the SELECT function button again will close the function Pressing the ENTER function button again will advance the function to the next level of the selected function Further features of each function will be explained in the descriptions
83. rt the loading of a single Fry Basket when the Load Select Switch is set for SINGLE Press for automatic loading of Fry Baskets when the Load Select Switch is set for 1 or 1 5 Ib 450 or 700gm loads Press to reset a System Error Copyright O 2005 Automated Equipment LLC All rights reserved 33 AFD280 280U Comprehensive Service Manual Major Assemblies AFD 280 AFD 280 Front View AFD 280 Front View 215606 Start Reset Push button Switch 1 290771 Lens Only 216489 Bulb Only eR Accumulator Doors Assembly Ea 202038 lo Saddle Assembly 216258 Fry Basket 0 216596 Front Casters with Brakes 290687 202780 Collects shortening and other waste materials 15 202779 Lower Guide Assembly Entire Assembly 220494 Lower Guide Ultem Runners Basket slide rails 290000 Runner Mounting Screws Runner mounting screws 6 screws per Ultem Upper Guide Support Bars Secures the Upper Guide in the proper orientation See Assembly Illustrations 220490 Upper Guide Assembly centered pin No Longer Available 202476 Fillister Screw centered pin Locates Upper Guide Position centered Guide 202219 Upper Guide Assembly offset pin Entire Assembly 202044 Fillister Screw offset pin Locates Upper Guide Position offset Guide 202359 Upper Guide Ultem Runners Basket slide rails 290000 Runner Mounting Screws 10 Runner mounting scre
84. ser ignores input from the lift sensor The lift down switch closes indicating the lift saddle is down From this point if the lift sensor detects something error 4 will occur The accumulator doors close and the weighing cycle is triggered If the lift down switch closes before 1 6 seconds error 2 will occur If the lift down switch does not close within 4 4 seconds error 3 will occur If the guide sensor has not detected the basket error 5 will occur This usually indicates that the basket has stopped short of the sensor or is stuck in the lift saddle The guide sensor detects the basket the dispenser waits 1 5 seconds to ensure the basket has cleared the lift saddle The lift saddle goes up The lift up switch closes indicating the lift saddle is up The stopgate opens If the lift up switch closes before 1 6 seconds error 2 will occur If the lift up switch does not close within 4 4 seconds error 3 will occur A basket will not be filled unless the weigh cycle is completed and a basket is detected The basket cycle may be triggered at any time indicated by a steady green light on the restart button but will be immediately suspended until this condition is met During continuous operation the basket cycle will be triggered immediately when the lift is up The lift sensor detects a basket The dispenser waits one second to ensure the basket has settled into the lift The stopgate closes Between this time and the time th
85. st mode displays last lift speed Push Start Reset button Resets system error while in test mode Push Enter Changes lift state displays actuated lift speed Push Enter Changes lift state displays actuated lift speed Note Other diagnostics which can be observed e Verification of Lift Down L5 and Lift Up L4 switches e Observation of L15 Raise Lift Optical Sensors Lift Sensor activation is indicated by the illumination of LED L2 on the Controller Board Guide Sensor activation is indicated by the illumination of LED L3 on the Controller Board Checking Adjusting Sensitivity Cover the Optical Sensor with your hand The LED associated with the Sensor should illuminate on the Controller Board Verify the Sensor Sensitivity The Sensor Indicator LED should remain on until your hand is Midway between the Ultem runners of the Upper or Lower guides Adjust the Sensitivity Gain control if necessary Clockwise to increase Counter clockwise to decrease The Guide Sensor can further be checked by putting three baskets on the lower guide The upper rim of the basket should be in the middle of the sensor If the basket rim is too high or too low adjust the tabs at the bottom of the right guide support The Lower Guide Sensor L3 should also be ON when 3 baskets are on the Lower Guide Copyright O 2005 Automated Equipment LLC All rights reserved 29 AFD280 280U Comprehensive Service Manual Stopgate Linkage To check the
86. t 60 PSI 4 2 bar Adjust filter regulator pressure to 30 PSI 2 1 bar when complete e The compressor is not running If the pressure in the reservoir is below 40 PSI 2 8 bar the compressor should be running If it is not either the air compressor the compressor pressure switch or the AC wiring is faulty e The connection between the air present switch and the controller board is faulty Verify wiring is not loose or damaged e The air present switch has failed Adjust or replace the air present switch Copyright O 2005 Automated Equipment LLC All rights reserved 23 AFD280 280U Comprehensive Service Manual Error 2 Lift Speed The controller board has received a signal from lift up switch or lift down switch after it has set the lift saddle in motion but before it is expected Lift saddle cylinder speeds must be between 1 6 and 4 4 seconds Possible causes e The filter regulator air pressure is set too high Verify the filter regulator gauge indicates 30 PSI 2 1 bar e The lift saddle speeds are too fast and an adjustment is required e The lift saddle is not installed e Manifold is Defective Error 3 Lift Time out The controller board has set the Lift Saddle in motion and not received a signal from the opposite end switch within 4 5 seconds Lift saddle cylinder speeds must be between 1 6 and 4 4 seconds Possible causes e The filter regulator pressure is set too low Verify the filter regulator gauge indica
87. t O 2005 Automated Equipment LLC All rights reserved 24 AFD280 280U Comprehensive Service Manual Error 45 Guide Sensor Error The Guide Sensor has failed to detect a basket leaving the lift saddle Possible causes The basket is stuck in the lift saddle The basket was removed from the lift saddle instead of the Lower Guide The connection between the Guide Sensor and the Controller board is broken Guide Sensor range needs adjustment The Guide Sensor has failed Incorrect baskets are being used The lower guide is installed incorrectly The lower guide is out of alignment with guide sensor Error 6 Lift Down Switch Error The Lift Down Switch has turned on while the lift saddle is up or turned off while the lift saddle is down Possible causes The Lift Down Switch is improperly positioned The Lift Down Switch is loose in it s mounting The connection between the Lift Down Switch and the controller board is faulty The Lift Down Switch has failed The mounting strap is too tight causing the switch to stay on Error 7 Lift Up Switch Error The Lift Up Switch has turned on while the lift saddle is down or turned off while the lift saddle is up Possible causes The Lift Up Switch is improperly positioned The Lift Up Switch is loose in it s mounting Something has pushed the lift saddle cylinder out of position The air pressure is too low and the weight of the lift saddle has pushed the lift saddle cylin
88. tes 30 PSI 2 1 bar e The lift saddle cylinder speeds are too slow and adjustment is required e The upper guide is installed incorrectly backwards and is blocking the lift saddle e The lower guide is installed incorrectly e Something is blocking the lift saddle e A lift switch is improperly positioned or loose preventing it from detecting the lift saddle cylinder This can be verified by looking at the inputs for the lift switches L4 amp L5 on the controller board e The connection between either the lift down or lift up switch and the controller board is broken Check for loose or damaged switch wiring e Either the lift down or lift up switch has failed e Lift Saddle shoulder screws are damaged missing or loose e The Lift Saddle Cylinder has failed e Manifold is defective e The lift cylinder airline is kinked Error 4 Lift Sensor Error The Lift Sensor is not properly detecting a basket with the lift saddle in the up position Or the Lift Sensor is detecting a basket with the lift saddle in the down position Possible causes e Someone has bumped or removed a basket from the lift saddle during the basket cycle e The Lift Sensor has picked up a highly reflective object in the environment e Shortening on the lift sensor e The connection between the Lift Sensor and the Controller Board is faulty e Lift Sensor range needs adjustment e Incorrect baskets are being used e The Lift Sensor has failed Copyrigh
89. them This LED illuminates at the same time as the LED s on the Controller Board Lightly tighten the allen head screw when finished Over tightening can destroy the switch Tighten the lock nut Install the Lift Cylinder Cover Cover Nut Lift Cylinder Cap and Saddle Assembly Restart the Fry Dispenser Copyright O 2005 Automated Equipment LLC All rights reserved 31 AFD280 280U Comprehensive Service Manual Verification of Load Cell A D Converter Procedure 1 2 3 4 Turn the Dispenser power OFF Wait 10 15 seconds and disconnect the Load Cell Connector Turn the Dispenser power ON Select Function 11 and press Enter Observe the digital display it should read 000 to 005 Bridge connection H3 with a jumper screwdriver or shorting connector Observe the digital display it should read 000 to 001 With H3 bridged also bridge between VINP and VREF2 with another jumper or screwdriver Observe the digital display it should read 128 Turn the Dispenser power OFF wait 10 15 seconds and re connect the Load Cell Connector If the readings do not match this test the Load Cell Analog to Digital conversion circuitry is faulty and the controller board needs to be replaced Note This procedure validates correct operation of the Load Cell Analog to Digital conversion circuitry only This procedure does not validate the Load Cell or Load Cell wiring WARNING Load Cell damage may occur if the Load Cell connector
90. troller board and EPROM have to be replaced e If the segment display remains blank or displays 888 the EPROM is defective Copyright O 2005 Automated Equipment LLC All rights reserved 26 AFD280 280U Comprehensive Service Manual Calibrations and Adjustments Load Cell Calibration Disable the Drum Motor Select F3 and press the ENTER button Inspect to see that no part of the Hopper is touching the Accumulator Doors Remove the Hopper from the Fry Dispenser Verify the Accumulator Doors are empty and that the Shaft Collars are not touching the Dispenser cabinet Select and Enter the Load Cell Readout Function F11 the load cell reading should be between 20 amp 100 Place a 1 0 pound 450gm weight on the Accumulator Doors Four 1 4lb patties or 1lb butter the load cell reading should go up If the reading does not go up the load cell is defective Remove the weight from the Accumulator Doors Select and Enter the RESTORE DEFAULTS Function F17 This clears the error log and sets programmed default weighing parameters Note For International units of measure Select Function 25 US on display Press Enter again to change to IN Press Select to save the change Select and Enter the TARE Function F4 This sets the Tare value Select and Enter the Calibrate Function F5 The word CAL will appear on the display Place a 1 0 pound 450gm weight on the Accumulator Doors Four 1 4lb patties or 1lb b
91. tus with the installation of Schwan s Kit p n 203445 E Copyright 2005 Automated Equipment LLC All rights reserved 76 AFD280 280U Comprehensive Service Manual Switch Wiring AFD 280 RESTART SWITCH BLACK FROM SELECTOR SWITCH YELLOW TO I O BOARD AFD 280U RESTART SWITCH BLACK FROM SELECTOR SWITCH YELLOW TO I O BOARD AFD 280 POWER SWITCH P N 213400 1 BLACK FROM POWER CORD 2 BLACK FROM POWER SUPPLY 3 WHITE FROM POWER SUPPLY Copyright 2005 AFD 280 AND AFD 280U SELECTOR SWITCH BLACK FROM PUSH BUTTON GREEN TO I O BOARD ORANGE TO I O BOARD TO 1 0 BOARD BLACK TO 1 0 BOARD TO I O BOARD BROWN TO I O BOARD RED TO 1 0 BOARD AFD 280U AFD280E and GDF28 POWER SWITCH P N 202381 11 BLUE OR WHITE FROM POWER CORD 12 BLUE WITH YELLOW BAND 21 BROWN OR BLACK FROM POWER CORD 22 BROWN WITH YELLOW BAND Automated Equipment LLC All rights reserved TI AFD280 280U Comprehensive Service Manual Pneumatic Diagrams AFD 280 Pneumatic Diagram Copyright 2005 Automated Equipment LLC All rights reserved 78 AFD280 280U Comprehensive Service Manual AFD 280U Pneumatic Diagram AFD 280U cabinet and AFD 280 internal components 3d WWYNLYN 81 6 Al3NIBVO NI 310H NIVHG Ol ad move 1 KC N HOLIMS f 1 3ON3S3Hd ON VMS SO1v10933 M3L14
92. upply ETA 324 1 Power Supply 24 5 VDC output 95 240 VAC input 215473 2 Position Connector Plug LC Connects Power to Controller Board PN ue Power Supply Ground Connection Power Supply AC Ground Connection UA Copyright 2005 Automated Equipment LLC All rights reserved 47 AFD280 280U Comprehensive Service Manual AFD 280 Din Rail Terminal Circuit Breaker Assembl DIN Rail Terminal Assembly 213182 Truss Head Screw 8 32 X 3 8 2 Secures Din Rail Mount to Dispenser Chassis EE 202034 Isolated Terminal Block Grey 3 Isolated wiring terminals 7 Wiring from 24 5 VDC Power Supply Dispenser wiring harness S O 8 Wiring to Lift Optical Sensor Dispenser wiring harness S O 9 DrumMotorWiring LI Dispenser wiring hamess Dispenser wiring harness 10 Lower Guide Optical Sensor Wiring Dispenser wiring harness 11 245VDC to Controller Board Dispenser wiring harness Copyright 2005 Automated Equipment LLC All rights reserved 48 AFD280 280U Comprehensive Service Manual AFD 280 Upper Guide Assembly Note The first 175 units manufactured in 1995 have centered pin guides Newer units have the offset pin guides Upper Guide Assembly Centered Pin Item 1 p n
93. utter Wait 10 seconds for the load cell to settle Press Enter again this sets and closes the Calibration function Remove the 1 0 Ib 450gm weight Turn the power switch off Reinstall the Hopper on the Dispenser and fill it with Fries Compressor Pressure Control Switch The turn On and turn Off pressure set points of the Pressure Control Switch can be monitored by the pressure gauge on the Pressure Regulator Increase the Pressure Regulator Setting to maximum by pulling up the control knob and turning it fully clockwise Now the Air Pressure Gauge is monitoring the Air Reservoir pressure directly Slowly vent the air pressure from the Air Reservoir with the Pressure Release Valve and observe the compressor turn on pressure setting 40 psi 2 8 bar While the system is recharging observe the compressor turn Off pressure 60 psi 4 2 bar Adjustments for the Pressure Control Switch are located inside the switch protective cover The brass set screw adjusts both the turn on and turn off set points The black plastic set screw adjusts only the turn off set point Turning these screws clockwise will increase the set point and turning counter clockwise will decrease the set point Reset the Air Pressure Regulator to 30 psi 2 1 bar after checking the Pressure Control Switch calibration Lock the adjustment by pushing the control knob back down into the lock position After a few basket cycles check the pressure setting again Pressur
94. ware The following is a complete list of the available functions Function Name restart function display last error weigh disable tare function calibrate adjust 1 0 up adjust 1 0 down Adjusts the 1 0 Ib 450gm target downward in increments of 1 about 1 oz 25gm adjust 1 5 up adjust 1 5 down watchdog test load cell readout Displays the current reading from the load cell live display actuate lift Moves the lift up and down Displays the time in tenths of a second o 1 Joj o1 o ro actuate doors Opens and closes the accumulator doors actuate stopgate Opens and closes the stop gate clear errors Clears the error log error counts Reads out the error log restore defaults Clears the error log and sets programmed default weighing parameters parameters Reads out the current calibrated weighing parameters actuate drum Turns the drum motor on and off actuate light Turns the restart light on and off adjust 75 up adjust 75 down 75 control bypass mode select units exercise mode Used to break in replaced componets revision level Displays EPROM revision level segment test Verifies that all the display segments are functional Note Functions that are the same as 1 0 software do not appear in this section Function 6 Adjust 1 0 target upward Displays the current target value for use when weighing 1 Ib 16 oz 450gm loads in ounces or grams depending on units setting of F25
95. witch 202516 Lift Cylinder Switch Mounting Strap 1 1 1 2 Copyright O 2005 Automated Equipment LLC All rights reserved 43 AFD280 280U Comprehensive Service Manual AFD 280 Saddle Assembly SIDE VIEW END VIEW AFD 280 Assembly Number 202782 s 202064 Shoulder Bolt Secures Guide Rollers to Saddle Assembly Stainless Steel 6 217810 Guide Roller Roller for Saddle Assembly against the Guide Posts 7 217805 Lift Saddle Weldment Metal body of the Lift Saddle Assembly 1 2 3 i 4 220467 Left Upper Wear Strip Wear surface against the Guide Post 5 7 S 202046 Flat Head Screw 10 32 X 34 Secures Wear Strips to Lift Saddle Stainless Steel 10 11 12 220472 Saddle Slide 5 length 4 3 8 hole Wearable sliding surface for Baskets to slide on The or spacing correct part number is determined by the length of the strip 202762 Saddle Slide 4 34 length 3 2 hole and the hole spacing spacing 202047 Flat Head Screw 10 32 X 2 4 Secures Saddle Slides to the Lift Saddle 220473 Splash Shield 1 Contains splashed materials within the Dispenser 12 202047 Flat Head Screw 10 32 X 7 Secures Splash Shield to Lift Saddle Copyright 2005 Automated Equipment LLC All rights reserved 44 AFD280 280U Comprehensive Service Manual AFD 280 Drum Motor Assembly TOP VIEW LEFT SIDE VIEW
96. ws 5 screws per Ultem Stopgate Assembly See assembly illustration 202366 Dispenses fries to the Accumulator Doors area 220515 Hopper Support Bar left 1 Holds the Hopper in proper orientation 220520 Hopper Support Bar right 1 Copyright 2005 Automated Equipment LLC All rights reserved 34 AFD280 280U Comprehensive Service Manual AFD 280 Side View AFD 280 Side View 1 216692 Power Cord Strain Relief 1 Waterproof power cord inlet 202586 Washer 213942 Nut 5 202194 Lift Cylinder Switch Detects lift cylinder down position one o SonenenorBani 7 220491 Side Access Plate Permits access to lower portion of lift cylinder Secures access plate to dispenser chassis 202077 Screws 213369 Airline Fitting 1 8 NPT M X 1 4 OD 216596 Front Caster with Brake Allows dispenser movement and locks position 220496 Lift Cylinder Cover j 2 Protective cover for lift cylinder Secures protective cover See assembly illustration 220497 Lift Cylinder Cover Nut Lift Saddle Assembly 2 6 1 E Lift Cylinder 1 Raises and lowers the lift saddle EN 202517 Lift Cylinder Lower Nut 1 9 EN 1 Copyright 2005 Automated Equipment LLC All rights reserved 35 AFD 280 Rear View AFD 280 Rear View 202061 202190 202766 202765 202196 202197 202199 219262 202861 202062 216044 202179 213509 213432 202582 202051 202449 216485 216595 2

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