Home

S6163-C4-FSE-010 - Equipment Catalog

image

Contents

1. O O O Q GOOO oOo O O cite 0000 ej pa y od Lo C O oo O O HO H b Lo eo Jm fore gt c RR 85 VI A S es bee RO ss O SER lo O O O O O Item Part Number Number Description 1 12 1213 10 Snap bushing 2 12 2499 01 Stand off 3 12 2843 21 Circuit board for 115 60 1 12 2843 26 Circuit board for 220 50 1 March 2003 Page 9 MDT3 and MDT4 Service Parts MDT4 60 Hz Wiring Diagram A35522 00 A DASHED LINES INDICATE FIELD WIRING WHICH MUST BE INSTALLED IN ACCORDANCE WITH THE NATIONAL ELECTRICAL CINE USE COPPER CONDUCTORS ONLY STATE neue rs THIS UNIT MUST BE GROUNDED March 2003 Page 10 Z N WIRE MDT3 and MDT4 Service Parts MDT3 Wiring Diagram eN
2. March 2003 Page 11 UNTI MS TISABL IM BIN MDT3 and MDTA Service Parts Schematic Diagram L2 L POWER SUPPLY Cim E RECIEVER TRANSISTOR NIN 4 PRINTED CIRCUIT ASSEMBLY RX DISABLE ALIGER RELAY COMP CENT RELAY UM FAN WATER SWITCH O KEY LOCK SWITCH WHEN REO D
3. An Controls shown in the ice making mode with all w systems in operation March 2003 Page 12 MDT3 and MDT4 Service Parts Wiring Diagram MDT4 50 Hz March 2003 Page 13 Ref NAVSEAINST 4160 3A NAVSEA S0005 AA GYD 030 TMMP NAVSEA SPAWAR TECHNICAL MANUAL DEFICIENCY EVALUATION REPORT TMDER INSTRUCTIONS Continue on 8 1 x 11 page if additional space is needed 1 Use this report to indicate deficiencies problems and recommendations relating to publications 2 For CLASSIFIED TMDERs see OPNAVINST 5510H for mailing requirements 3 For TMDERs that affect more than one publication submit a separate TMDER for each 4 Submit TMDERs at web site https nsdsa2 phdnswc navy mil or mail to COMMANDER CODE 310 TMDER BLDG 1389 NAVSURFWARCENDIV NSDSA 4363 MISSILE WAY PORT HUENEME CA 93043 4307 1 PUBLICATION NUMBER 2 VOL PART 3 REVIDATE OR CHG DATE 4 SYSTEM EQUIPMENT ID 5 TITLE OF PUBLICATION 6 REPORT CONTROL NUMBER 6 digit UIC YY any four xxxxxx 03 xxxx 7 RECOMMEND CHANGES TO PUBLICATION 7a Page 7b Para 7 RECOMMENDED CHANGES AND REASONS 8 ORIGINATOR S NAME AND WORK CENTER 10 ORIGINATOR S E MAIL ADDRESS 11 TMMA of Manual NSDSA will complete 12 SHIP OR ACTIVITY Name and Address Include UIC CAGE HULL 13 Phone Numbers Commercial DSN NAVSEA 4160 1 Rev 7 2003 S N 0116 1f 985 4100 FOLD HERE AND TAPE SECURELY PLEASE DO NOT STAPLE INCLUDE COMPLETE ADDRESS USE PR
4. 02 4398 21 A24295 001 03 1408 02 03 1405 45 13 0639 00 Centrifugal Sw Kit Screw Shaft and Actuator Washer Grease seal Washer Washer Output shaft Retaining ring Woodruff Key Output gear O ring Roll pin Gear Case Washer Washer shim 2nd gear amp third pinion Washer Washer 1st gear amp 2nd pinion Gear box cover Grease seal Bearing Washer 60 Hz motor kit 50 Hz motor kit Fan Motor Housing with bearing Oil Complete 60 Hz Gear Motor Complete 50 Hz Gear Motor Gear reducer kit no motor opacer Washer Screw Grommet MOUNTING DETAIL January 2009 Page 7 ITEM NUMBER 1 qd or P qu 10 12 fe 14 19 16 17 18 19 20 21 22 23 24 25 26 PART NUMBER 12 2059 01 A27494 001 03 1403 77 A30579 001 part of item 2 03 1408 36 02 1503 00 13 0947 01 03 1408 39 03 1408 40 02 2439 01 03 1408 41 03 1408 38 02 2438 01 02 3969 20 02 1501 00 03 1408 08 A37707 021 A38501 001 A28168 001 A38487 001 A32379 027 02 4399 21 MDT3 and MDT4 Service Parts Gear Reducer 02 4399 21 or 02 4399 24 or 02 4398 21 DESCRIPTION Switch Centrifugal Sw Kit Screw Shaft and Actuator Washer Grease seal Gasket Washer 18 Washer shim 2nd gear and third pinion Washer Washer 1st gear amp second pinion Grease seal Bearing Washer 60 Hz motor kit 50 Hz motor kit Fan Motor Housing
5. Check replace vend system Water leaks from cabinet Evaporator water seal worn or cracked Replace seal and bearings Tubing to evaporator leaks Replace tubing fittings Drain leaks Check drain tubes and fittings External drain restricted Clean out drain No refrigeration Gear motor does not turn Check motor Centrifugal switch does not close Check switch Fan motor does not turn Check fan motor Lack of refrigerant Add refrigerant if problem is reduced locate leak and repair it Compressor does not pump Check replace start capacitor Check replace start relay Check replace compressor May 2001 Page 20 MDT3F amp MDT4F SERVICE DIAGNOSIS Circuit Board e 2 s ITS Drs t re LA LIBE L 625156494647 e E a ie 213175 4467 9 T E IE 12100 L3 UR st Bo ty e 2 i e PS 1 e e 17 E 157 e lt 2009 N ERE I j e e 4 Explanation of Indicator Light Position On Name and Meaning of Board Light or Reset On at all times when the master switch is ON and machine is 1 Power connected to electrical power ON Normal On when ice level is low unit making ice 2 Bin Empty ON Needs Ice Normal 6 minute off delay start To prevent short cycling th
6. SERVICE DIAGNOSIS Circuit Board Page 21 Removal and Replacement 11 2000 1M 2721 Page 22 Water oystem ow ae JA X d AAA aa ASA Page 23 Bearings Water Seal and Auger ux A w Page 24 Bearing Replacement E we e E Jm cu e E cho RC A Su d ch dar VEL WE s Page 25 Refrigeration oystem XL de w a ES ab amp GE de GEO X a ases Page 26 Gear Reducer Removal S o o s s s st s t 5 s s 5 5 t 5 5 5 5 Page 27 Auger Drive Motor o o e e s s s s s s t se t 5 s 5 5 5 st 5 5 5 5 5 5 V Page 28 Parts Lists and Wiring Diagrams are printed on yellow paper in the center of this manual This manual was printed on recycled paper Keep it for future reference May 2001 Page 1 MDT3F amp MDT4F Specifications Scotsman ice machines like the MDT3F or MDTAF are designed to be installed indoors in a controlled environment The minimum and maximum operating conditions are e Minimum Air Temperature 50 F e Maximum Air Temperature 100 F Minimum Water Temperature 40 F Maximum Water Temperature 100 F e60 Hz voltage may vary between 104 and 126 volts eWater Pressure may vary between 20 and 80 psi Operating the machine outside these conditions constitutes misuse and voids the warranty 34 25 IN 87 00 CM SIDE SIDE AIR EXHAUST I
7. 2001 Page 18 Service Diagnosis MDT3F amp MDT4F PROBLEM POSSIBLE CAUSE PROBABLE CORRECTION No ice is dispensed No ice in bin due to No electrical power Check restore power eOveruse Recheck ce needs vs machine capacity eWater supply turned off Check water filter hand valve float valve eBin controls dirty Check amp clean bin control electric eyes eWater sensor dirty Check amp clean water sensor e Control system malfunction Check control system eAuger drive motor open Check auger drive motor e Centrifugal switch open Check centrifugal switch eAuger does not turn Check coupling amp gear reducer e No refrigeration Check refrigeration system Ice in bin but will not dispense Drive motor does not turn eVend system does not work Check replace vend system Check that cleaning switch has been released eDispense motor open Check replace dispense motor e Dispense output shaft broken Check replace output shaft Ice in bin motor turns vane Ice jammed up eUsers held cup against dispense spout and jammed unit Advise owner manager to instruct users e Bin bottom slot not over spout Check bin bottom position will not slide down bin wall bin out of round Check bin interior wall for rough texture or out of round e Wet ice in the bin from
8. a user places a container in front of the Touch Free ice sensor and below the ice delivery chute the circuit board connects power to the bin drive motor and ice is dispensed for as long as the container is present If the user does not remove the container ice will be dispensed for 60 seconds and then stop e When a user selects water and ice dispensing water is also dispensed with the ice Splash panel cleaning A switch located to the left of the spout may be pushed to disable the Touch Free sensor for splash panel cleaning It automatically resets after 2 minutes or if pushed within the 2 minutes resets the circuit board to enable the Touch Free sensors May 2001 Page 13 MDT3F amp MDT4F Maintenance Although the ice in this dispenser is completely untouched the water and ice vending systems will need to be periodically sanitized and de mineralized The air cooled condenser will also need to be kept clean Schedule the sanitation cleaning and de mineralization on a regular basis to keep the ce clean and the machine operating efficiently Sanitation and Cleaning Water System This ice machine requires periodic sanitation and de mineralization 1 Vend all ice from the machine 2 Remove top and right side panels 3 Unplug or disconnect electrical power 4 Shut off water supply 5 Drain reservoir 6 Mix 8 ounces of Scotsman Ice Machine Cleaner and 3 quarts of hot 95 F 115 F potable wate
9. compr fitting Brass insert Tee February 2009 Page 5 Item Number 1 2200 OO OQ O NO MDT3 and MDT4 Service Parts Bin Cover Dispenser Motor Electric Eyes Part Number 03 1403 15 03 1531 01 A35474 001 02 3238 01 03 0727 10 13 0866 01 A37710 021 02 3237 01 02 3239 01 02 3241 01 12 1610 01 12 1610 06 02 1801 02 A35483 021 A35483 026 Description Screw Screw Motor Mtg Bracket Bushing Thumbscrew Grommet Electric eye set Bin top Nut Shaft Motor amp gears 60 Hz Motor amp gears 50 Hz Strap Complete assembly 60 Hz except items 5 and 7 Complete assembly 50 Hz except items 5 and 7 VN 3 P d 10 2003 6 Item Number 1 DA OF PS w S 10 12 re 14 15 16 17 18 19 20 21 22 23 24 25 26 2f 28 29 30 9d 32 33 34 35 36 5 motor kit includes items 25 26 29 and 30 MDT3 and MDT4 Service Parts Prior Gear Reducer and Motor A31977 type Part Number 12 2059 01 Description Switch none part of item 3 A27494 001 03 1403 77 A30579 001 03 1408 36 02 1503 00 03 1408 21 03 1408 04 02 2445 01 03 1515 03 03 1602 01 02 2444 01 02 1505 00 03 0774 11 A28166 001 03 1408 39 03 1408 40 02 2439 01 03 1408 41 03 1408 38 02 2438 01 A28165 021 02 3969 20 02 1501 00 03 1408 08 A37707 021 A38501 001 A28168 001 A38487 001 A32379 027 02 4399 21 02 4399 24
10. high water level or high suction pressure Check water level check suction and discharge pressures May 2001 Page 19 MDT3F amp MDT4F Service Diagnosis PROBLEM POSSIBLE CAUSE PROBABLE CORRECTION Unusual noise Mineral scale in evaporator Clean water system with ice machine cleaner Auger coupling dry Grease coupling Auger coupling worn Replace coupling and adapter stand Bearings worn Replace bearings and water seal Gear motor loose on frame Tighten bolts check grommets Low water level Check water level in reservoir Tubing vibrating Check tubing for contact Tooth on a gear missing Check gears in auger drive Compressor too loud Replace compressor Gear noise Check gear motor for oil leak No water is dispensed Water Switch in Off position Switch to ON Water switch open Replace switch Water solenoid plugged up Clean inlet screen of solenoid Water solenoid coil open Replace solenoid Vend system does not work Check replace vend system Water turned off Restore water supply Water drips from spout Melting ice in chute Some water dripping is normal Unit or bin not level Level unit check bin Water solenoid leaks thru Replace solenoid Ice jammed in spout Clear ice jam check for cause Ice will not stop dispensing Vend system does not work
11. passes thru the capillary tube which causes a pressure drop in the evaporator As the high pressure liquid refrigerant moves into the evaporator s area of low pressure the warm water and low pressure cause the refrigerant to evaporate and absorb heat from the metal walls of the evaporator After the refrigerant has flowed thru the evaporator it goes back to the compressor thru the suction line as a low pressure vapor At the compressor the cycle is repeated Evaporator Compressor Refrigeration System Schematic System Characteristics e Typical Low Side Pressure 13 14 PSIG Typical Discharge Side Pressure 135 175 PSIG eSystem Refrigerant Charge 14 ounces of R 134a Capillary Tube Y Dryer Ps 52 ka sa Air Cooled Condenser May 2001 Page 10 MDT3F amp MDT4F Water System Operation The water system consists of a float valve Inside the evaporator there is a water seal This reservoir and water dispense solenoid valve The seal is the type that has a rotating half and a water level in the reservoir tank is the same level stationary half The area where the two seals touch as that inside the evaporator Building water supply are smooth flat surfaces When the auger is flows to both the float valve and the solenoid The Installed in the evaporator it forces the rotating half float valve will open to add water t
12. some water conditions may require more intense methods In addition the auger bearings require physical inspection to determine that they are not wearing This physical 4 inspection is recommended twice per year for the Cap top bearing and once per year for the auger and both bearings Screw Whenever the auger is removed replacement of CT NN Washer the water seal is recommended i If a bearing requires replacement the other meii e is bearing must also be replaced Breaker e 1 Unplug or disconnect electrical power Rotating Parts Hazard Disconnect Electrical A CAUTION Power Before Beginning 2 Shut off the water supply 3 Remove top panel 4 Remove right side panel 5 Drain the evaporator and reservoir 6 Remove foam cap on top of evaporator 7 Remove 2 permagum plugs from the side of the evaporator 8 Remove 2 screws screwheads were covered by the permagum 9 Pull up on the pull ring to remove the auger If it is difficult to pull A Remove the breaker cover by taking the snap ring out B Unscrew the auger bolt C Use threaded rod or a slide hammer puller and screw into the auger slide the weight quickly up against the stop to remove the auger If the auger still will not move bearing replacement is mandatory See Bearing Removal and Replacement Adapter Stand May 2001 Page 16 Inspection Auger The auger is made of stai
13. the bin When the user holds a container in front of the glass sensor and below the Ice chute the dispense drive motor rotates the vane and the ice There is a slot in the base of the bin located just above the vend spout and glass filler lever When the ice moves over that slot some of the ice on the bottom of the bin falls thru the slot into the chute and fills the container ON OFF Control Flaked ice is produced by the ice maker until ice builds up between the electric eyes When the electric eyes can no longer see each other they send a signal to the control board to shut the machine off The refrigeration compressor stops but the auger drive motor will continue to operate for about 2 minutes to clear the evaporator of ice Water Control Because water is such an important requirement for making ice a water level sensor has been placed in the reservoir If the water supply to the machine should fail the water level sensor will send a signal to the control board to shut down the machine Refrigeration The refrigeration system uses a hermetic compressor specifically designed for R 134a forced draft air cooled condenser capillary tube and vertical flaked ice evaporator Inside the evaporator is a slowly rotating auger The auger is supported by bearings at each end and there is a face type water seal above the bottom bearing The auger is driven by a 1 10 HP direct drive gear reducer The auger drive motor has
14. the new wire nuts are secure and that the ground strap is reattached Dispense Vane 1 Disconnect electrical power Dispense Drive Motor 2 Remove top panel 3 Remove four thumb screws holding bin cover to bin 4 Lift bin cover off bin Set aside 5 Grasp the ice vane and pull it straight up 6 Reverse to reassemble Bin Bottom Perform steps 1 5 above to remove the dispense vane 1 Lift bin bottom out of the dispense bin 2 When replacing be sure that the slot on the bin bottom is over the dispense chute at the front May 2001 Page 22 Water System The water system consists of the reservoir and Inlet water valve Reservoir 1 Shut off the water supply 2 Remove the top panel 3 Remove the right side panel 4 Drain the water reservoir and evaporator 5 Disconnect inlet and outlet tubes from the reservoir 6 Remove screws holding reservoir to its mounting bracket 7 Remove reservoir from the machine 8 Reverse to reassemble Float Valve 1 Shut off the water supply 2 Remove the top panel 3 Remove the reservoir cover 4 Remove the water inlet tube 5 Push in the mounting tabs at the back of the reservoir and lift the valve out of the reservoir tank 6 Replace with a new valve or replace the valve plunger Plunger _ _ MDT3F amp MDT4F Valve Plunger 1 After the valve has been removed from the reservoir remove the nu
15. 001 Page 2 To The Installer A professional installation of any product is critical to the long term satisfaction of the user The ice maker dispenser is designed to be installed either on a counter or using a wall hanging kit hung from a wall Determine the location from the anticipated use and any options planned for This machine is air cooled and blows air out the lower left side of the cabinet Do not install the machine where the side to side air flow might be blocked Cooling Air Flow Cooling Air Flow Warm Air Exhaust The machine will require electrical power water and a drain Follow all local codes Rough in the utilities before placing the machine into position see For The Electrician and For The Plumber MDT3F 8 MDTAF Water Quality The quality of the water supplied to the machine will directly affect the purity of the ice and the reliability of the machine While the condition of the water supplied to a building is normally out of the control of the user water can be treated at the point of use There are two major types of water impurities suspended solids those that are carried along with the water and may be filtered out and dissolved solids those that are part of the water and have to be treated A water filter is always a good idea but does require regular maintenance to change the cartridge In some water conditions water treat
16. 15 seconds the machine should start 6 Let the machine operate listen for any unusual noises If needed reposition tubing amp panels to eliminate vibration After the unit has been operating for about 10 minutes there should be enough ice in the bin to test the dispense system 7 Using a container place in in front of the glass sensor and below the ice chute See that ice is dispensed the bin drive motor continues to run as long as the container is in place 8 Move the water switch rocker switch on the front panel to ON Place the container in front of the glass sensor and under the ice chute Both water and ice should be dispensed 9 Pour water into the sink and check that the drain does not leak but drains the water rapidly 10 Explain to the user the maintenance requirements and operation of the machine 11 Fill out the Warranty Registration and Customer Evaluation form Mail it to Scotsman 12 Leave the service manual with the owner user and explain who should be called if service is needed May 2001 Page 7 MDT3F amp MDT4F User Operation The MDT3F and the MDT4F are automatic ice vending machines All either requires is cool air clean water and an adequate supply of electrical power To Vend Ice Place a container in front of the Touch Free sensor and below the ice spout Hold it there until the container is full of ice Do NOT overfill the container or a build up of ice in the sink or a ba
17. 17 07 03 1403 46 03 1405 38 02 4404 01 Not used after 04 07 May 2008 Page 4 Description Retainer Ring Cap hook Cap Screw Washer Top bearing set O ring Breaker with bearing Auger Water seal Bottom bearing Coupling Gasket Washer Cap screw Adapter Rubber drip shield Evaporator Washer Screw Cap screw Threaded cap Item Number 1 O W N 10 11 12 13 14 15 16 16a 16b 17 18 19 20 21 21a 22 23 24 25 26 27 28 Part Number A37893 001 A38272 001 02 3033 01 03 1409 22 A36118 020 13 0895 01 03 1394 00 12 1434 04 12 1434 05 16 0869 01 02 4200 01 A33101 022 02 3402 32 02 3302 02 13 0674 07 02 2814 10 13 0674 09 02 2814 08 02 2814 07 02 3371 01 A36402 001 02 3371 02 02 3266 03 03 1407 05 03 1645 01 13 0674 06 A21433 000 16 0870 01 16 0871 01 16 0670 01 MDT3 and MDT4 Service Parts Water And Drain System Description Vane Assembly Bin Bottom Assy Hub Assembly Fiber Washer Storage Bin Inlet water line requires 26 7 21 Water valve 60 Hz Water valve 50 Hz Barbed adapter Preformed tube Water sensor Sink Grill for sink Tube requires 12 Clamps Tube overflow to drain requires 12 Bin drain 11 Drain 9 Clamp Clamp 16b Reservoir Assy 16 Reservoir Bracket z Float and arm 28 Plunger seat Plain Washer Hex Cap Screw Tube to evap Inlet fitting NPT to
18. Lift the evaporator up high enough for the auger to clear the adapter stand 11 Remove the mounting bolts holding the gear reducer to the cabinet frame 12 Trace auger drive motor wires back to the control box 13 Disconnect the drive motor wires from the relay on the circuit board 14 Pull the wires back to the auger drive motor 15 Pull the gear reducer out the side of the cabinet to remove it from the machine Note If there is evidence of water near the output shaft of the gear reducer it would be a wise precaution to pull the auger from the evaporator and check the bearings 16 Rebuild or replace the gear reducer ae m L Shaft Seals AU N ATN PYV I A E Clip Output Gear Gear Case May 2001 Page 27 MDT3F amp MDT4F Auger Drive Motor The windings or top bearing 4 cover may be replaced without removing the evaporator or gear reducer from the machine 1 Disconnect electrical power AWARNING Electrical Shock Hazard Disconnect electrical power before beginning 2 Shut off water supply 3 Remove top panel 4 Remove right side panel 5 Drain the reservoir and evaporator 6 Disconnect the reservoir outlet tube from the bottom of the reservoir 7 Remove screws holding reservoir mounting bracket to the cabinet 8 Lift the reservoir up amp away from the top of the auger drive motor 9 Remove the 4 bolts holding the auger motor c
19. MDT3F amp MDT4F Inspection Photo Electric Eyes The photo electric eyes used to see the ice build up in the top of the bin cover must be clean to get a good look at the ice If clouded by mineral scale the eyes will cause the ice machine to shut off and stay off To clean the photo electric eyes 1 Remove the top panel Bun 2 2 Pull both of the photo electric eyes out of their J JO qu rubber grommets 227 Wash both eyes with clean cloth Scotsman Ice Machine Cleaner Clean Photo Electric 4 Wash the eyes off with clean water Eyes 5 Replace the eyes in the grommets Water Level Sensor lt s The water level sensor may not shut the ice DS gt 6 Replace the top panel machine off when the reservoir goes dry if there is a film of mineral scale on the probe tip 1 Remove the top panel 2 Remove the reservoir cover 3 Pull the water level probe up and out of the reservoir 4 Carefully wipe the tip of the probe with a clean cloth Ice machine cleaner may be needed Note The tip is made of glass Clean Water Level Sensor Water 5 Reinsert the water level sensor in the reservoir Reservoir 6 Replace the reservoir cover and the top panel Coupling Use the grease zerk on the side of the coupling to add grease once per year That concludes normal maintenance If the fan motor has an oil plug it may be oiled after 10 years of operation May
20. NTAKE Scotsman Ice Systems are designed and manufactured with the highest regard for safety and performance They meet or exceed the standards of UL NSF and CUL ocotsman assumes no liability or responsibility of any kind for products manufactured by Scotsman that have been altered in any way including the use of parts and of other components not specifically approved by Scotsman ocotsman reserves the right to make design changes and or improvements at any time opecifications and designs are subject to change without notice 23 63 IN 60 11 CM 6 00 IN 15 24 CM 2 21 IN 5 61 CM MINIMUM CLEARENCE RIGHT SIDE 12 73 IN 32 32 CM 7 03 IN 17 86 CM 3 97 IN 10 08 CM 6 00IN 15 24 MINIMUM CLEARENCE Li j 6 00 IN 15 24 CM MINIMUM CLEARENCE 19 72 IN 50 09 CM 23 89 IN OPTIONAL WATER INLET DRAINS amp ELECTRICAL 4 63 IN 11 75 CM Specifications 60 67 CM 14 00 IN 35 56 CM Model Number Dimensions Basic Refrigerant Min Max Fuse W x D x H Electrical Charge Circuit Size R134a Ampacity MDT4FA 1A 14 x 23 x 34 115 60 1 14 oz 15 1 20 MDT4FA 6A 14 x 23 7 x 34 230 50 1 14 oz 1 5 19 MDT3FA 1A 14 x 23 x 34 115 60 1 12 oz 9 4 15 MDT3FA 6A 14 23 34 230 50 1 12 oz 5 3 15 May 2
21. OPER POSTAGE FOR OFFICIAL USE ONLY COMMANDER CODE 310 BLDG 1389 NAVSURFWARCENDIV NSDSA 4363 MISSILE WA Y PORT HUENEME CA 93043 4307 FOLD HERE AND TAPE SECURELY PLEASE DO NOT STAPLE
22. S6163 C4 FSE 010 0910 LP 109 7265 TECHNICAL MANUAL FOR SCOTSMAN ICE DISPENSER MODELS MDT3F 8 MDT4F DISTRIBUTION STATEMENT C DISTRIBUTION AUTHORIZED TO U S GOVERNMENT AGENCIES AND THEIR CONTRACTORS ADMINISTRATIVE OPERATIONAL USE 1 JUNE 2006 OTHR REQUESTS FOR THIS DOCUMENT MUST BE REFERRED TO NSWC PHILADELPHIA CODE 944 WARNING THIS DOCUMENT CONTAINS TECHNICAL DATA WHOSE EXPORT IS RESTRICTED BY THE ARMS EXPORT CONTROL ACT TITLE 22 U S C SEC 2751 ET SEQ OR EXECUTIVE ORDER 12470 VIOLATIONS OF THESE EXPORT LAWS ARE SUBJECT TO SEVERE CRIMINAL PENALTIES DESTRUCTION NOTE DESTROY BY ANY METHOD THAT WILL PREVENT DISCLOSURE OF CONTENTS OR RECONSTRUCTION OF THE DOCUMENT PUBLISHED BY DIRECTION OF COMMANDER NAVAL SEA SYSTEMS COMMAND 31 DEC 2009 MDT3F amp MDT4F and MDT4F Manual Purpose of this manual To provide detailed The MDT3F and MDTAF are combination ice installation and operation instructions to give makers and dispensers The refrigeration system is insights into how the machine works to list air cooled using R 134a as a refrigerant The possible causes for problems and to suggest control system uses electric eyes as a bin control procedures for specific types of service and a water level sensor as the water safety control As ice is made it fills a plastic storage bin When ice is needed a motor rotates a stainless steel vane inside the storage bin and sweeps the Ice into the spout New Tabl
23. a speed operated switch on it that will keep the compressor from operating if the auger motor is not turning at full speed Water System Water flows from the building supply to the reservoir and to the electric solenoid valve Water from the reservoir is used to make ice Water the flows thru the solenoid is dispensed The bin sink and reservoir overflow all have drains Ice Vending Dispensing takes place when the touch free sensor s infrared beam bounces back to the sensor from a container placed directly in front of the sensor and under the ice chute When the beam is reflected back it signals the circuit board to connect power to the dispense drive motor and ice is then moved over the slot in the base of the bin where it falls by gravity thru the chute into the container If the Water switch is On water is also dispensed at the same time Dispensing continues until the beam is no longer reflected back to the sensor Touch Free Sensor May 2001 Page 12 Electrical Sequence Refer the wiring diagram as needed The Power light on the board glows whenever there is power to the machine and the master switch is ON If the machine is switched off at the master switch but is otherwise ready to go switching the master switch to ON does the following e The bin empty and power lights on the circuit board glow There is a 15 second delay e f there is enough water in the reservoir the c
24. ck up of ice in the spout will occur To Vend Ice and Water owitch the Water Switch to ON Place a container in front of the Touch Free sensor and below the ice spout Water and ice will be dispensed into the container below the spout Note The water is NOT cooled it is the same temperature as the building supply water Daily Maintenance Pour hot water into the sink to flush out any debris or build up Wipe the cabinet off wash the sink and grill to keep minerals from accumulating Caution Unless the touch free sensor is de activated by pushing the Cleaning Switch in ice and or water may be dispensed during cleaning The Cleaning Switch is a button located to the left of the ice chute that temporarily shuts off the sensor for cleanup of the splash panel Pushing the button in will disable the sensor for 2 minutes pushing the button in again will return the sensor to normal operation Water Switch Touch Free Disable Switch May 2001 Page 8 Glass Sensor MDT3F amp MDT4F Component Location amp Function Evaporator This is a vertical cylinder full of water and refrigerated Also in the cylinder is a slowly rotating auger The auger forces the ice up the evaporator walls and compresses it at the top The resulting flaked ice then falls by gravity into the ice storage bin Water Reservoir The water reservoir contains the inl
25. compressor Overload for 60 Hz Overload for 50 Hz 60 Hz relay 50 hz relay Start capacitor for 60 Hz Start capacitor for 50 Hz 60 Hz fan motor 50 Hz fan motor Fan blade for 60 Hz Fan blade for 50 hz Fan shroud for 60 Hz Fan shroud for 50 Hz Screw Washer Grommet Sleeve Access valve Core cap Stem cap 7 Fan motor bracket 7 Condenser 1 Drier 7b 8 Access Valve Change November 2007 9a1 9a2 9a3 16 1140 01 16 1139 01 16 1138 01 Cap Core Seat for 1 4 tube MDT3F12 Item Number 1 2 p November 2007 Page 3 Part Number Description 18 8853 21 60 Hz compressor 18 8853 26 50 Hz compressor 18 8853 27 Overload for 60 Hz 18 8853 22 Overload for 50 Hz 18 8853 28 60 Hz relay 18 8853 23 50 hz relay not used 12 1681 23 60 Hz fan motor 12 1681 04 50 Hz fan motor 18 8851 01 Fan blade A3 813 001 Fan shroud 9a1 a lt 982 MDT3 and MDT4 Service Parts Evaporator Auger Bearings amp Water Seal Item Number 1 2 3 Y O 9 10 11 12 13 14 15 16 17 18 19 20 21 22 Part Number 03 1558 03 A08162 000 A07701 000 03 0758 00 A07699 000 02 1412 20 13 0617 16 A14591 020 02 4023 20 02 1300 01 02 0417 20 A29915 002 03 1505 00 03 1410 04 03 1420 01 08 0595 01 13 0941 01 A36081 020 03 14
26. e 3 Off Timer machine will not restart after any shut off except power to the ON Unit cycling off board until 6 minutes have passed On when water level is low in the reservoir 4 No Water ON Trouble To check the electrical system first check the lights on the circuit board 1 Remove the top panel 2 Remove the left side panel 3 Remove the control box cover May 2001 Page 21 MDT3F amp MDT4F Removal and Replacement Panels 1 Remove two screws at the back of the top panel 2 Lift up at the back and push the top panel forward to release it 3 Remove 3 screws at the top 3 screws at the bottom and 1 screw at the front edge of each side panel 4 Push each side panel to the rear to release the panel from the cabinet frame Dispensing System The dispensing system consists of the vend switch dispense motor dispense vane bin bottom and bin A WARNING Electrical Shock Hazard Disconnect electrical power before beginning Dispense Gear Motor 1 Disconnect electrical power 2 Remove top panel 3 Remove one screw holding ground strap to cabinet frame 4 Cut off two dispense motor wire nuts 5 Remove screws holding dispense drive gear motor to the bin top 6 Pull gear motor off the bin top 7 Unscrew the output shaft extension from the gear motor 8 Remove screws holding the mounting bracket to the gear motor 9 Reverse to reassemble be certain that
27. e of Contents Specifications oo aa AA as AAA a ase Page 2 To The Installer c c t S s se s s t st s s st 5 5 5 Page 3 For The Electrician tc t t t t S e s s S sr s s 5 s s 5 t 5 5 5 5 5 5 5 t 5 Page 4 For The Plumber t s s s x S o s s s s sr s s s 5 5 5 t 5 5 5 5 5 5 Page 5 Wall Mount Kit KWB4 TT AE E AE ae gee ee Page 6 Final Check List amp Initial Start Up E oe S e A A 1 7 User Operation Eo W w e A AAA Page 8 Component Location amp Function sss rr s e t s s t Ill t s 5 5 t 5 Yt Page 9 Refrigeration System Operation u A A A p 10 Water System Operation E dh e ee Oe eS X dS AD de CN 11 Mechanical Operation s A E A A N Page 12 Electrical Sequence A A A Page 13 Maintenance cc o e e r t s s s s t s s s t s Rm m m e n n n n on Page 14 Dispense Area Sanitation are Qam p j Ns O A A 8 15 Auger and Bearing Inspection E E A A E Page 16 Inspection Auger A A A 17 Inspection TETERA A YV DU X X amp Page 18 Service Diagnosis E dp dE A A e cO GEO EA E ER CE A de UR AA A 19 Service Diagnosis 100100000 Q w 0170000301202 010 0M 20
28. ectrical power 2 Remove top panel 3 Remove right and left side panels 4 Use pressurized air to blow the lint from the outside of the condenser in towards the fan motor A vacuum cleaner hose placed on near the fan motor should pick up most of the dust Check for interior dirt If needed use coil cleaner to de grease the condenser 5 Replace all panels and reconnect electrical power May 2001 Page 14 Dispense Area Sanitation 1 The spout may be removed by taking out the two mounting screws Wash and sanitize it 2 The sink grill may be removed for washing and sanitizing 3 The sink should be flushed with hot water and wiped clean with sanitizer 4 The splash panel requires special attention to clean it ePush and release the Cleaning Switch located to the left of the ice spout This disables the Touch Free Sensor so the splash panel may be cleaned without vending ice or water eWash the splash panel and wipe with sanitizer eRe push the clean switch or allow 2 minutes to pass for the Touch Free system to reset May 2001 Page 15 MDT3F MDTAF Push Touch Free Sensor Disable Button Before Wiping Splash Panel Pour Hot Water Into Sink Regularly To Keep Drain Line Open MDT3F amp MDT4F Auger and Bearing Inspection While in most areas regular in place cleaning with Scotsman Ice Machine Cleaner will be adequate to keep the interior of the evaporator free of Snap Ring excessive mineral build up
29. er oil level is 1 8 from the top of the biggest gear with all gears installed Check the input seal The gears may be replaced individually May 2001 Page 28 MDT3 and MDT4 Service Parts This parts lists contains part numbers for the service parts available for the MDT3 and MDT4 They have been manufactured in both 60 Hz and 50 Hz models The 60 Hz models are MDT3F12 1A MDT4F12 1A The 50 Hz models are MDT3F12 6A MDT4F12 6A Always check the model number of the ice machine being serviced to be certain that the parts ordered will be correct Table of Contents Cabinet A ER MISC dal Condensing Components emm eene Evaporator Auger Bearings amp Water Seal meme mee eene Water And Drain System memet Bin Cover Dispenser Motor Electric Eyes mmm eee Prior Gear Reducer and Motor A31977 type mme eene Gear Rediicer 02 4 990297 r 02 4399 24 or 09 439894 simon CORTO st MDT4 60 Hz Wiring Diagram mmm ener MDT3 Wiring Diagram mme nennen Schematic Diagram meme MDT4 50 Hz ERRADA AAA AAA AA AAA AAA AR March 2003 Page 1 MDT3 and MDT4 Service Parts Cabinet lt SS NS gt SS NS NS SS SS SS gt gt gt x Item Part Number Number Description 1 A37767 001 Cabinet t
30. et float valve and the water level sensor The float valve controls the flow of water into the reservoir and the water level sensor will stop the ice maker if the water supply fails Ice Storage Bin The ice storage bin is an insulated plastic container that is open at the top and has a spout at the bottom There is a rotating Ice vane inside the bin that causes the ice to be swept over the spout and dispensed The vane is rotated by a gear motor at the top of the bin Bin Cover The bin cover not only keeps dirt from Water Reservoir the ice storage bin it also is the support for the dispense gear reducer and the location of the electric eye bin controls Evaporator Auger Drive Condenser The machine uses an air cooled condenser It blows Compressor air out away from the fan motor The heat removed from the water Is exhausted from the condenser Compressor The refrigeration system compressor provides the force to move the refrigerant around the system Auger Drive The auger drive is a direct drive gear reducer Condenser May 2001 Page 9 Bin Cover Ice Storage Bin MDT3F amp MDT4F Refrigeration System Operation Both the MDT3F and the MDT4F use a forced draft condenser capillary tube and hermetic compressor The system uses R 134a as a refrigerant High pressure high temperature refrigerant is forced thru the condenser where it looses enough heat to condense The high pressure liquid refrigerant then
31. h the pilot holes in the evaporator 11 When the auger is completely seated reinstall the breaker screws 12 Replace permagum and foam top 13 Switch on the water supply 14 Check bin cover for electrical grounds and switch on the electrical power 15 Observe operation The unit should make minimal noise while producing ice Catch first 2 minutes of ice and discard it 16 Replace the bin cover and all panels May 2001 Page 25 MDT3F amp MDT4F Refrigeration System This ice machine uses R 134a as the refrigerant This refrigerant has no chlorine and therefore requires polyolester type refrigerant oil This oil requires specific service procedures General Service A HFC type liquid line drier is required Standard driers may not take out enough moisture and may affect the oil additives The time that the refrigeration system is open to the air must not exceed 15 minutes The oil will rapidly absorb moisture from the air and the contact time must be kept to a minimum A special or very sensitive electronic leak detector will be needed to locate refrigerant leaks Many are on the market that will sense R 134a The access valves must be in the closed position before the hose caps are removed Do not remove the hose caps before checking the position of the valve Use a 3 16 allen wrench to open and close the valve Stem Cap Torque Stem to Toyque to 8 12 ft Ib 6 8 ft Ib Access Valve Fitt
32. ing Cap Torque to 7 12 ft Ib As with any other refrigerant do not place pressurized air or oxygen into the refrigeration system Note The refrigeration system uses an HFC type refrigerant and MUST use an HFC type drier Evacuation to 300 microns is recommended Temperature Pressure Chart Selected Points Temperature in F PSIG of R 134a 10 2 0 6 Sf 4 4 6 2 5 5 0 6 5 1 7 0 2 1 5 3 8 0 4 8 6 5 9 1 10 12 0 12 13 2 14 14 4 16 15 7 18 17 1 20 18 4 25 22 1 30 26 1 31 26 9 32 27 8 33 28 6 34 29 5 35 30 4 40 35 0 45 40 0 50 45 4 15 18 1 90 104 3 110 146 4 120 171 1 130 198 7 150 262 8 May 2001 Page 26 Gear Reducer Removal 1 Disconnect electrical power AWARNING Electrical Shock Hazard Disconnect electrical power before beginning 2 Shut off the water supply 3 Remove the top and side panels 4 Remove the control box cover 5 Remove the centrifugal switch cover on the top of the auger drive motor 6 Disconnect the electrical wires from the centrifugal switch 7 Drain the evaporator and reservoir Rotor Cover amp Bearing Rotor Bearing Gear Reducer Components MDT3F amp MDT4F 8 Disconnect the water inlet tube from the evaporator 9 Remove the three screws holding the evaporator to the adapter stand 10
33. ion the bottom wall bracket so that the molding on the dispenser base bottoms in the channel of the wall bracket 3 Secure the bracket to the wall Bottom Fitting Cover 1 Connect electrical power water inlet bin drain and sink drain of the dispenser thru the bottom of the case B Top Panel Enlarge Holes Top Case Bracket A lt Z x Wall Brackets a 2 Secure bottom fitting cover to the bottom wall bracket with the four sheet metal screws provided in this kit Secure With Screws May 2001 Page 6 Final Check List amp Initial Start Up 1 Is the machine located indoors where the temperature limitations are not exceeded 2 Is there at least 6 clearance on both sides of the cabinet for adequate air flow 3 Is the water supply adequate and has a shut off valve been installed 4 s the cabinet level 5 Have all of the electrical and drain connections been made MDTS3F 8 MDTAF Initial Start Up 1 Remove 2 screws at the back of the top panel and remove the top panel 2 Remove screws and the side panels 3 Open the water supply shut off valve 4 Watch the water fill the reservoir Check that it flows in and fills the reservoir near to the mark molded into the side of the reservoir Check that the float shuts off the water flow when the tank is full Check for leaks Tighten hose clamps as needed 5 Plug the unit in or switch on the electrical power After about
34. ircuit board will allow the machine to start up Start up consists of compressor contactor coil receives power from the circuit board e he contactor is energized connecting power to the compressor and the compressor starts e The auger motor receives power from the circuit board and starts e As ice goes past the ice level sensors the bin empty light will stay on and the machine will continue to run unless the ice stays between the sensors for more than 15 seconds bin full At that point the bin empty light goes out and the machine shuts down Other reasons for shut down e ow water level as sensed by the thermistor in the reservoir MDTS3F 8 MDTAF Shut Down consists of e The compressor contactor opens e compressor stops e The auger motor is run by the circuit board for 2 more minutes clearing out ice in the evaporator and then e The auger motor no longer receives power from the circuit board and the auger motor stops After a 6 minute delay If the ice level sensor is clear bin empty for more than 15 seconds the machine will start up again Another purpose of the circuit board is to turn the machine off if there is not enough water in the machine e When the water level in the reservoir falls below the tip of the water level sensor the machine Will shut down e After a 6 minute delay if the water refills the reservoir the machine will start up again Ice Vending e When
35. iring to the machine must conform to all codes A licensed electrician may be required in some situations Remove the back panel to make the electrical connection The electrical connection is made on the eu d E the FOLLOW ALL APPLICABLE LOCAL STATE id AVES P This Unit MUST BE GROUNDED Electrical Power JUNCTION BOX INTERNAL Remove Back Panel To Expose Junction Box May 2001 Page 4 For The Plumber Drains The dispenser requires a gravity drain The pitch on the drain tubes must be at least Y inch fall per foot of horizontal run On long horizontal runs a vent at the back of the cabinet will improve draining and is recommended I There are two drains to connect A sink drain a plastic tube and the bin drain a plastic tube Install rigid tubing between the machine and the building drain Route the drains separately to the building drain Water supply Connect cold potable water to the machine A hand valve near the location is recommended A water filter is also a good idea Follow all local codes MDTS3F amp MDTAF FOLLOW ALL APPLICABLE LOCAL STATE AND NATIONAL CODES Water Inlet Fitting Inside Cabinet Strainer or Filter Water Supply h Bin and Reservoir Overflow Drains May 2001 Page 5 C3 Sink Drain Building Drain Typical MDT3F amp MDT4F Wall Mount Kit KWB4 Contents 1 Top Case Hanger Bracket Attache
36. ment may be required Generally this means a polyphosphate feeder of some kind Water softeners are not recommended General Installation Place the machine in its final location Remove the top right and left side panels 1 Remove two screws at the back of the top panel 2 Pull up on the back of the top panel and remove it 3 Remove screws from the sides top and bottom of the side panels and from the splash panel 4 Pull the side panels back and off the machine Plumbing connections may be made thru holes in the back of the cabinet or thru the base e Route the sink drain to the back of the cabinet Route the bin drain to the back panel e Route the electrical power cord from the junction box inside the cabinet thru the back panel e Route the inlet water line thru the back panel or base to the flare fitting inside the cabinet Install the stainless steel panel kit if used now Install the back panel of the stainless steel panel kit now if used After all plumbing and internal wiring has been done replace the side and back panels Level the unit front to back and left to right The machine does not require sealing to the counter due to the gasket on the base May 2001 Page 3 MDT3F amp MDT4F For The Electrician Electrical connections Check the nameplate for voltage and current requirements An electrical cord is not supplied Connect the MDT3F or MDT4F to a separate electrical circuit W
37. nless steel It has a polished surface that may be either shinny or dull but must be smooth After removal allow the auger to dry to inspect for scale If mineral scale is found on the auger s surface clean off the auger with ce machine cleaner and a scrubbing pad Remove the water seal and clean off the shoulder of the auger Bearings The top bearing should spin freely with no rough spots If it feels rough when spun by hand replace it There should be minimal rust or dirt If in doubt replace the bearing Note The top bearing used in the MDT3F and MDTAF is a directional bearing Note which way the inner race is configured and install into the breaker The breaker is also available as a replacement part with the top bearing already installed The bottom bearing must be removed from the evaporator when replacing the water seal Remove bin cover RENE s Remote the three bolts holding the evaporator to the gear motor adapter and lift the evaporator up slightly Tap the water seal and bottom bearing out from the Inner Race Wider on Top MDT3F amp MDT4F To replace the water seal 1 Remove old rotating half from the auger Clean the mounting area 2 Place a bead of food grade sealant such as Scotsman part number 19 0529 01 onto the shoulder of the auger where the rotating half of the water seal will be installed 3 Wash the new seal in water While wet slip it onto the bottom of
38. o the reservoir of the seal against the stationary half The as water flows out to the evaporator The solenoid stationary half is spring loaded and provides a firm will only open if the water switch is closed and the pressure against the auger portion of the seal touch free sensor initiates an ice dispense Electric Eyes Evaporator Water bevel loat Valve Sensor AH Dispensing E fi B Water Seal Inner Bin NE d Bottom x 22 ES E _ N Reservoir Overflow Water and Ice Drain Dispensing Spout Water Inlet Connection Water Dispensing Solenoid Valve Sink i Water System Schematic Sink Drain 2001 11 MDT3F amp MDT4F Mechanical Operation General The machine makes stores and dispenses ice lt also dispenses water The ice making portion of the machine produces flaked ice at about 32 F The ice falls thru a chute into the dispensing bin Above the cylindrical bin is a dispense drive motor and electric eyes The drive motor is connected to an ice vane in
39. op S S 2 A37783 001 Right side panel SS 3 03 1638 03 Screw 4 03 1419 17 Screw 5 15 0809 01 Emblem Scotsman 6 15 0803 01 Emblem Touch Free ltem Part 7 12 1377 00 Switch Number Number Description 8 03 1403 15 Screw 21 12 2391 01 Lock Gov t units only 9 03 1406 04 Nut 22 12 2501 01 Touch Free disable switch 10 02 3944 01 Spout 23 03 3804 01 Screw receptacle 11 03 1407 03 Washer 24 A37766 021 Front panel incl 5 6 32 12 03 1403 19 Screw A37766 002 Front panel Gov t units 13 02 3302 02 Grill 25 A37784 001 Left side panel SS 14 03 1418 30 Machine screw 26 02 3878 31 Splash panel grey 15 13 0674 07 Tube order 3 units 27 7875 001 panel 16 02 3402 32 Sink grey 28 A37873 001 Support bracket 17 A35875 015 Bracket 29 02 3944 01 Clear spout replaced item 18 02 2814 10 Hose clamp n 19 19 12 2554 20 Touch free sensor 30 A36547 001 Mounting plate for spout 20 17 2830 01 Bacal 31 13 0566 01 Bottom gasket complete 32 17 2831 01 Water decal August 2008 Page 2 MDT4F12 Item Number 1 2 a 7b 9a 9b 10 11 12 Part Number 18 8741 21 18 8741 26 18 8741 27 18 8741 22 18 8741 28 18 8741 23 18 8741 29 18 8741 24 18 8849 01 18 7200 03 18 8858 01 18 8743 01 A37839 001 A36094 001 03 1405 40 03 1407 02 18 4700 28 18 0108 41 16 0832 21 16 0832 03 16 0832 02 18 0422 00 18 8846 01 02 3319 01 MDT3 and MDT4 Service Parts Condensing Components Description 60 Hz compressor 50 Hz
40. over to the gear reducer case 10 Lift the plastic switch housing off the auger drive motor 11 Hold the centrifugal switch and remove the screw holding it to the rotor of the motor 12 Lift the centrifugal switch up and off the motor 13 Lift the motor cover up and off the motor 14 Pull the fan up and off the rotor If the windings are to be replaced remove the left side panel and control box cover 1 Locate the auger drive motor wires plugged into a relay on the circuit board 2 Disconnect the auger motor s wires and pull them back to the auger drive motor 3 Lift the auger motor windings off the gear reducer If the rotor needs to be removed 1 Run a screw into the top of the rotor 2 Grasp the screw with a grip pliers 3 Pull and or tap on the pliers to pull the rotor amp bearing out of the gear reducer 4 Inspect the bearing and input seal Replace them if worn Note When the rotor is re installed be certain that the bearing is fully seated in the gear case Gear Reducer Rebuild 1 After the gear reducer has been removed the internal components may be inspected and or replaced Remove all bolts holding the two case halves together 2 Tap against the roll pins at each end of the gear cases to split them 3 Pry the case halves apart 4 Check the internal condition of the gear reducer If rusty or water is present replace the complete assembly The oil should be black and the prop
41. porator to the adapter stand 2 Lift evaporator up slightly and tip the bottom out to expose the splined end of the auger 3 Use a plastic mallet or dead blow hammer to tap the bottom of the auger and force the auger up Do NOT damage the splines of the auger or the auger will have to be replaced If the auger is frozen to the bottom bearing do not force the bottom bearing thru the evaporator 1 Remove three cap screws holding evaporator to the adapter stand 2 Lift evaporator up slightly and tip the bottom out to expose the splined end of the auger 3 Remove snap ring holding bearing cover to breaker 4 Remove bearing cover 5 Unscrew bolt holding bearing to auger 6 Screw a length of threaded rod or a shoulder screw into the auger 7 Tap on the end of the threaded rod to push the auger out of the bottom of the evaporator 8 Replace the bearings and water seal Replace the auger if the splines are damaged Replace the evaporator if more than 1 3 of the vertical rifle grooves are gone Sand or hone and sand the inside of the evaporator if mineral build up is heavy Snap Ring d Cap Se Bolt i dh Washer May 2001 Page 24 Bearing Replacement Top Bearing Replacement If the inner race is secure use an arbor press to push the top bearing out of the breaker If the inner race has separated from the bearing replace the breaker Insert a new bearing in the breaker check fo
42. r Scotsman Ice Machine Cleaner contains acids These compounds may cause burns If swallowed DO NOT induce vomiting Give large amounts of water or milk Call Physician immediately In case of external contact flush with water KEEP OUT OF THE REACH OF CHILDREN AWARNING 7 Pour the water into the reservoir 8 Wait 15 minutes for the cleaner to dissolve the minerals inside the evaporator 9 Plug in the machine or reconnect electrical power 10 As the machine operates pour in the balance of the cleaning solution 11 Reconnect water supply operate the machine for 15 more minutes then switch it off 12 Repeat steps 3 11 except substitute a locally approved sanitizing solution for the cleaner A possible sanitizing solution may be obtained by mixing 1 ounce of household bleach with 2 gallons of clean warm 95 F 115 F water 13 Unplug or disconnect electrical power 14 Remove bin top pour in warm potable water to melt out any ice 15 Pull out the vane and bin bottom from the bin 16 Thoroughly wash the bin s interior bin top interior spout ice vane and bin bottom with the sanitizing solution Pour some down the bin drain 17 Reassemble the bin bottom vane and bin Cover 18 Wash the sink area with the sanitizing solution and pour sanitizing solution down the sink drain 19 Replace all panels and reconnect water and electrical power Air Cooled Condenser 1 Disconnect el
43. r orientation The top of the bearing has a wider inner race and a narrower outer race than the bottom Replace the O ring in the breaker Push the bearing in push only on the outer race Sealant MDT3F 8 MDTAF Water Seal 8 Bottom Bearing Replacement 1 Remove old rotating half from the auger Clean the mounting area 2 Place a bead of food grade sealant such as Scotsman part number 19 0529 01 onto the shoulder of the auger where the rotating half of the water seal will be installed 3 Wash the new seal in water While wet slip it onto the bottom of the auger rubber side toward the auger Push up until seated against the sealant Do not allow any sealant to come into contact with the face of the seal 4 Wash the stationary half the water seal with water Slip it up into the bottom of the evaporator until the bottom of the seal is inside the evaporator about 1 4 5 Push the bottom bearing against the water seal until the bottom bearing is inside the evaporator about 1 16 6 Replace the evaporator on the adapter and re attach the stand using the original bolts Inner Race 7 Attach the auger to the top bearing and Wider on TOP breaker Side 3 Return the auger to the evaporator and slide it down until the splines touch the coupling 9 Rotate the auger until the coupling splines align with the auger 10 Push the auger down and rotate the breaker until the screw holes line up wit
44. s to the frame of the dispenser 2 Top Wall Bracket Mounts to the wall and engages the top case hanger bracket to support the dispenser 3 Bottom Wall Bracket Mounts to the wall and spaces the base of the dispenser away from the wall 4 Bottom Fittings Cover Fastened to the bottom wall bracket to hide the utilitv connections Installation Check building wall for the strength required to support a machine of this weight and size Note that if at least 6 of space is not left above the machine cleaning and most service of the machine will require removal of the machine from the wall mounts All utilities are to be routed thru the base The back panel is not used when the machine is hung from the wall Top Case Hanger Bracket 1 Remove top panel 2 Remove back cover and save the 4 screws for mounting the bracket 3 Drill out the holes as marked in the illustration in the back of the frame with a 3 16 drill bit 4 Place top hanger bracket on the inside of the frame and fasten to the frame with the four screws removed in step 2 Top Wall Bracket 1 Hold the bracket on the wall where it will be mounted 2 Mark on the wall the positions of the holes in the bracket 3 If needed drill pilot holes for the fasteners 4 Secure the bracket to the wall with fasteners of sufficient strength to hold up the MDT4F Bottom Wall Bracket 1 Lift up and hang the dispenser from the top wall bracket 2 Posit
45. t holding the valve to its mounting bracket 2 Pull out the cotter pin to release the internal valve plunger Note Do not replace the plunger if the valve s seat Is damaged Replace the valve Inlet Water Valve 1 Disconnect electrical power 2 Shut off the water supply 3 Remove the top panel 4 Remove the right side panel 5 Remove wire harness from inlet water valve 6 Remove tube connecting outlet of the valve to the dispense tube 7 Rotate the valve to unscrew it from its inlet fitting 8 Reverse to reassemble Valve Water Level Sensor Slot May 2001 Page 23 MDT3F amp MDT4F Bearings Water Seal and Auger 1 Disconnect electrical power Rotating Parts Hazard Disconnect Electrical Power Before Beginning A CAUTION 2 Shut off the water supply 3 Remove the top panel 4 Remove the side panels 5 Drain the reservoir and evaporator 6 Remove foam cap from the top of the evaporator 7 Remove the two permagum plugs from the side of the evaporator 8 Pull up on the ring to lift the auger out of the evaporator If the auger will not lift out 1 Remove snap ring holding bearing cover to breaker 2 Remove bearing cover 3 Unscrew bolt holding bearing to auger 4 Thread in a threaded rod and weight or slide hammer puller into the auger 5 Use the threaded rod amp weight or slide hammer puller to remove the auger Or 1 Remove three cap screws holding eva
46. the auger rubber side toward the auger Push up until seated against the sealant Do not allow any sealant to come into contact with the face of the seal 4 Wash the stationary half the water seal with water Slip it up into the bottom of the evaporator until the bottom of the seal is inside the evaporator about 1 4 5 Push the bottom bearing against the water seal until the bottom bearing is inside the evaporator about 1 16 6 Replace the evaporator on the adapter and re attach the stand using the original bolts 7 Attach the auger to the top bearing and breaker 8 Return the auger to the evaporator and slide it down until the splines touch the coupling 9 Rotate the auger until the coupling E Check ui Side splines align with the auger ottom bearing the M top 10 Push the auger down and rotate one the breaker until the screw holes line up with the pilot holes in the evaporator Replace the water _ seal and install a new Open 11 When the auger is completely bering set if needed Sides seated reinstall the breaker screws 12 Replace permagum and foam top Sealant 13 Switch on the water supply 14 Check bin cover for electrical grounds and switch on the electrical power 15 Observe operation The unit should make minimal noise while producing ice Catch first 2 minutes of ice and discard it 16 Replace the bin cover and all panels Water Seal May 2001 Page 17
47. w bearing Oil Complete 60 Hz Gear Motor Assembly with motor 02 4399 24 Complete 50 Hz Gear Motor Assembly with motor 02 4398 21 A24295 001 03 1408 02 03 1405 45 13 0639 00 Gear reducer kit no motor Spacer Washer Screw Grommet motor kit includes items 16 17 19 20 Note Wire termination on replacement motor varies from original equipment January 2009 Page 8 Included with item MOUNTING DETAIL MDT3 and MDT4 Service Parts Control Box

Download Pdf Manuals

image

Related Search

Related Contents

Fishbone Product Manual  VIE DE LA CLASSE  卵の取扱説明書の改訂版 - Nomura Research Institute  Epicureanist Dual-zone VT-12TEDS-2Z 12-bottle Thermoelectric Wine Cooler - VT-12TEDS  NI 6509 User Guide and Specifications  Samsung C3730C 用户手册  基本スペック・付属品へ  PNY GeForce™ 7600 GT PCI-Express  Mode de travail  Weider WEBE0377 User's Manual  

Copyright © All rights reserved.
Failed to retrieve file