AirCraft , AirGuard , AirPro & QuietDry Dryer Guide
Contents
1. If dryer does not run timer may be faulty 0 replace touch controller Turn off power to dryer 6 Put dryer cover back on and turn power on Timer Unit AirCraft_ DTG r8 13 Page 8 of 28 Field Replacement Parts e Replacement parts are intended to be issued by Bobrick after completion of diagnostic sheets and a problem is identified that involves replacement of parts e Replacement parts will then be sold to the customer rep with credit issued upon the return of identifiable malfunctioning and or unused parts e Acopy of the Dryer Service Information Sheet must be completed by the rep and sent to Bobrick prior to return of parts e Dryer voltage must be identified in order to replace parts Replacement parts have options for both the 115V and 208 240V dryers Check voltage and then designate correct part s AirCraft Dryer Replacement Parts AirGuard AirPro amp QuietDry Dryer Replacement Parts AirCraft_DTG r8 13 Page 9 of 28 AirCraft Dryer Replacement Parts Surface touch Surface automatic Recessed touch Recessed automatic ioe 208 240V 240V 115V 208 240V 115V 208 240V 115V 208 240V Touch controller 701 360 701 361 701 360 701 361 hand amp face Touch controller 731 360 731 361 731 360 731 361 hair Sensor Board 701 138 701 138 701 138 138 701 138 138 Automatic 700 360 700 361 750 360 750 361 controller Air Outlet Grille 701 120 701 120 700 120 700 120 701 120 701 120 72. 2O7 35 a0 O74 BUILDING VALUE SINCE 1906 AirCraft AirGuard AirPro amp QuietDry Dryer Guide All Bobrick dryers require cleaning every 6 months to ensure that they function effectively Please note that failing to clean the dryer may result in malfunction and can void the warranty Refer to page 3 of the Dryer Troubleshooting and Information Guide for Routine Maintenance Instructions www bobrick com U S Headquarters BOBRICK WASHROOM EQUIPMENT INC 11611 Hart Street North Hollywood California 91605 5882 Tel 818 982 9600 FAX 818 503 1102 Email support bobrick zendesk com Canada Headquarters BOBRICK WASHROOM EQUIPMENT COMPANY 45 Rolark Drive Scarborough Ontario M1R 3B1 Eastern 877 423 6555 FAX 877 423 8555 Western 877 423 6444 FAX 877 423 8444 Email support bobrick zendesk com International Sales BOBRICK WASHROOM EQUIPMENT INC 11611 Hart Street North Hollywood CA 91605 5882 1 818 764 1000 FAX 1 818 503 9941 Email international bobrick com au Australia Bobrick Washroom Equipment Pty Ltd 1 800 353158 FAX 1 800 221926 Email international bobrick com au Germany 0800 79 00 456 FAX 0800 79 00 789 Email info bobrick de United Kingdom Bobrick Washroom Equipment Ltd 44 0 20 8366 1771 FAX 44 0 20 8363 5794 Email info bobrick co uk AirCraft_DTG r8 13 Page 1 of 28 AirCraft AirGuard AirPro amp Fast Dry Dryers Contents Page 1 Cover removal 5 2 Diagnostic
3. Sheet 6 3 Field Replacement Parts 9 4 Installation Instructions 12 5 Product Identification 3 6 Schematic Diagrams 26 7 Screwdriver Test 8 8 Warranty 25 AirCraft_DTG r8 13 Page 2 of 28 Product Identification AirCraft Dryers Surface Mounted Dryers B 700 Automatic Hand amp Face pictured B 701 Touch Button Hand amp Face B 731 Touch Button Hair Recessed Dryers B 750 Automatic Hand amp Face pictured B 751 Touch Button Hand amp Face B 781 Touch Button Hair AirCraft_ DTG r8 13 Page 3 of 28 AirGuard Dryer B 708 Automatic Series Variations Series Q lower profile cover no nameplate or printing pictured S Not all replacement parts are interchangeable see parts list AirPro Dryer B 709 Touch Button B 709 Automatic pictured Series Variations Series A touch button model metal nameplate series B automatic model metal nameplate series C automatic model lower profile cover no nameplate Not all replacement parts are interchangeable see parts list QuietDry Dryer B 770 White cover B 778 Chrome cover AirCraft_ DTG r8 13 Page 4 of 28 Instructions For Removal Of Dryer Cover Disconnect power supply before removing cover Locate the two tamper resistant screws at the bottom of the dryer cover To Remove Cover Using the Allen wrench 4 or 5mm turn the screws clockwise to loosen the cover Do not take the screws out the screws have to b
4. or Hot wire to terminal marked L1 and neutral or white wire to terminal marked N DEDICATED LINE IS REQUIRED FOR EACH 115 VOLT DRYER For 208 240 Volt Dryers Connect ground earthed wire to ground earthed terminal marked and the 208 240 Volt wires to terminals marked L L1 and N L2 Secure electrical wire in strain relief clamp provided on mounting base REPLACE COVER Replace cover by positioning top of cover on studs on top of mounting base and tipping bottom of cover toward wall Push bottom of cover firmly against wall NOTE Space between cover and wall must be the same on four sides To tighten two cover bolts insert Allen wrench into holes on bottom of cover Make sure wrench fits into head of cover bolts and turn COUNTERCLOCKWISE until bolts are tightened NOTE Do not over tighten cover bolts over tightening cover bolts may damage enamel finish CHECK DRYER OPERATION To check operation of dryer follow these instructions Page 20 For Touch Button Hair Dryers Turn electrical power supply on Touch the chrome plated touch button once and dryer should turn on Touch the touch button again after a few seconds and dryer should stop If left on Hair Dryers will shut off after 80 seconds For Automatic Hand Dryers Turn electrical power supply on Position hands under nozzle and dryer should turn on Remove hands from under nozzle and dryer should stop Page 21 INSTALLATION INSTRUCTIONS BOBRICK RECESSED AIRCR
5. over tighten cover bolts over tightening cover bolts may damage enamel finish CHECK DRYER OPERATION Page 23 To check operation of dryer follow these instructions For Automatic Hand Dryers Turn electrical power supply on Position hands under nozzle and dryer should turn on Remove hands from under nozzle and dryer should stop Page 24 LIMITED WARRANTY The Bobrick Dryer and all parts except motor brushes are warranted to the original owner of the installed unit for ten years from date of original installation for AirCraft and AirGuard Automatic and Touch Button hand and hair dryers and five years for AirPro and Fast Dry hand dryers against defects in factory workmanship or material under normal use and service Motor brushes shall be warranted for three years from date of installation This warranty is limited to repair or exchange of defective parts at the option of Bobrick Washroom Equipment Inc THIS WARRANTY DOES NOT COVER ACCIDENTAL DAMAGE IMPROPER HANDLING OR INSTALLATION OR REPAIRS MADE BY UNAUTHORIZED PERSONS AND SPECIFICALLY EXCLUDES CLAIMS FOR INDIRECT ACCIDENTAL OR CONSEQUENTIAL DAMAGES TO PROPERTY THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE LIMITED TO THE SAME DURATION OF THE ABOVE WARRANTY some states do not allow the exclusion of incidental or consequential damages so the above limitation or exclusion may not apply to you Some states do not allow limitation
6. 0 Hz Single Phase UL c UL listed 208 240V AC 9 10 Amp 50 60 Hz Single Phase UL c UL listed VDE approved REMOVAL OF COVER Start installation of dryer by removing cover To loosen two cover bolts insert Allen Wrench provided with dryer into holes located on bottom of cover on each side of air intake grille Make sure wrench fits into head of cover bolts and turn CLOCKWISE until bolts stop turning When cover bolts are screwed in all the way cover can be removed To remove cover place a hand on each side of cover and push up toward top of dryer releasing cover from studs at top of mounting base Lift cover off mounting base by pulling forward at the bottom and upward at the same time INSTALLATION OF MOUNTING BASE An Installation Template is supplied with each unit a 10 15 64 we 1 64 a el Imm a TEE 7 i i i en J A G Re Sr AST 8 43 64 rl SP ry i ian ai 43 64 as i 2 emm s Zj Rn M ase 3 16 Dia Hole tor al o T Smm Ostia pean Wall Wiring l B aL W Be Y Wet V Wl a i Y t A l i A Dimensior 9 7 16 i 19r A 240mm 15 32 I 1 3 8 Tit 35mm rc m he et een os te of Floor ja 4 Fange Cutout fo HITIT A m LAS ots Y Li Surface Wiring RECOMMENDED MOUNTING HEIGHTS Distance from floor to bottom mounting screw holes of mounting base Dimension A Hand dryer Men s Washrooms issn s3exaqexadouenenedexeeaxedevesexeesonsencdaxeeavedevsuesesoue 46 117
7. 00 120 700 120 amp Seal Covers Model code without the B followed by 150 voltage and then color code Voltage 115V 230V Color codes Almond 885 Black 828 Grey 889 Ivory 848 White no code Eg 7007 150 115V 828 Model B7007 voltage 115V color Black Common Parts Motor Brushes EMD Red Retainer 700 101 Motor Brushes Sintech Brass Retainer 700 111 Motor Brushes Ametek amp Winston 700 121 Cover Mounting Screws 700 156 Allen Wrench 700 55 Wall Box Recessed Dryers Only 700 506 Brush identification The following items are not to be field replaced Motor fan units Heating elements AirCraft_DTG r8 13 Page 10 of 28 AirGuard AirPro amp QuietDry Dryer Replacement Parts Product Identification Common Parts Motor Brushes EMD Red Retainer 700 101 Motor Brushes Sintech Brass Retainer 700 111 Motor Brushes Ametek amp Winston 700 121 Cover Mounting Screws 700 156 Allen Wrench 700 55 Brush identification The following items are not to be field replaced Motor fan units Heating elements AirCraft_ DTG r8 13 Page 11 of 28 Installation Instructions Installation Instructions Page Cover Replacement 13 Installation Of Touch Controller 14 Installation Of Base Plate Mounted Triac 15 Installation Of Automatic Controller 16 Instructions For Installation Of Sensor Board 17 Instructions For The Replacement Of Motor Brushes 18 Installation of Surface Mounted Hand and Ha
8. AFT HAND DRYERS ELECTRICAL CHARACTERISTICS 115V AC 20 Amp 50 60 Hz Single Phase UL c UL listed 208 240V AC 9 10 Amp 50 60 Hz Single Phase UL c UL listed VDE approved INSTALLATION OF RECESSED MOUNTING BOX An Installation Template is supplied with each unit Bore Wood i to Clear Fittings f o o ee fe aaan ELOA eg S be Th 30mm AX lt oZ 13 3 4 350mm Wide Opening S 3 4 49mm 9 1 2 2 240mm for Mounting i50mm High Opening IS 7 8 22mm amp 1 1 8 30mm _jgl 3 Knockouts for Conduit S lE gt 2 13 16 lt l 0mm e Typ SE o bo ng 1 2 Dimension Finish Face of Floor A RECOMMENDED MOUNTING HEIGHTS Distance from floor to bottom of framed wall opening Dimension A Hand dryer MOANN OOO a aa EEE 46 117cm Women s Washrooms c cccceccceceseeeeeeeeeeceeeceeseeeaeeeaeeseees o 109cm Children s Washrooms ages 3 9 ccccececesceceeeeseeeeseeeeeanees 1 79cm Children s Washrooms ages 9 12 ccccecccseeeeeeeeeeeeeeneeeenees a 89cm Children s Washrooms ages 12 15 oannnannonnnonnoennennnnnnnnnne 39 99cm Children s Washrooms ages 15 18 ccccceccceeeeeeeeeeeeeeeeees 43 109cm For ING Handicapped sceecicieue ceca ctendecasmensccussencianeuendossnecdaacezenss 38 97cm Provide framed opening in wall 13 3 4 wide x 9 1 2 high x 3 3 4 deep 349 x 241 x 95
9. ap spring inside it over the brush spring and press it over the holder 3 Slide the retainer down the cap and snap it into position over the stud d SINTECH MOTOR On this motor the brush is replaced by changing the complete brush box assembly To remove the brush box assembly 1 Pull the connector off the terminal tab A 2 Depress the retaining tab with a small screwdriver and pull out the brush box B and C To replace the brush box assembly 1 Insert the new brush box and push it down until the retaining tab is level with the slot in the motor end frame 2 Bend out the retaining tab 3 Replace the connector on the terminal tab BRUSH BOX ASSEMBLY LOCKING TAB AMETEK amp WINSTON MOTORS CONNECTOR On this motor the brush is replaced without disturbing the brush box To remove the brush 1 Depress the locking tab in the connector with a small screwdriver A 2 Slide out the connector and remove the brush B and C To replace the brush 1 Insert the new brush into the holder 2 Press the spring down with a screwdriver until it is below the connector slot D 3 Push the connector into the slot until it locks into position E Make sure that all of the top coil is under the connector AMETEK amp WINSTON MOTORS AirCraft_ DTG r8 13 Page 18 of 28 INSTALLATION INSTRUCTIONS BOBRICK SURFACE MOUNTED HAND DRYERS ELECTRICAL CHARACTERISTICS 115V AC 20 Amp 50 6
10. cal supply and test operation Disconnect power supply before removing cover AirCraft_ DTG r8 13 Page 14 of 28 Installation Of Base Plate Mounted Triac Disconnect power supply before removing cover To Remove Existing Triac 1 2 3 4 Note This procedure applies only to surface mounted or recessed dryers with triac mounted on the base plate For touch button models with triac mounted on the timer bracket the complete timer assembly must be replaced Disconnect power supply and remove cover Remove white yellow or pink and black Push On connectors from triac Remove the two screws securing the triac to the base plate Remove the triac and place to one side for return to Service Department To Install New Triac Note On factory installed triac a white Heat sink Compound is interposed between the triac flange and the dryer base plate to ensure rapid conductivity of heat away from the triac For service purposes this compound is replaced by a thin plastic gasket of heat conducting material this must be sandwiched between the flange and the base plate during assembly 1 Position new triac and pad on base plate with the Terminals positioned as shown in illustration below Insert and tighten the two self threading screws and shake proof washers provided Attach the white wire Push On connector to the small spade Terminal on the triac The black wire from the Terminal Block should then be attached to the ne
11. cm WOMENS WaSNOOMS ccctecczezccceceet cect atctccetaictatesaicsaresateseeeteeers 44 112cm Children s Washrooms ages 3 9 ccceececeececeeeeeeeeeeeneetanees 32 81cm Page 19 Children s Washrooms AGES 9 12 eccceecccseeeeeeeeeeeeeeeeeenees 36 91cm Children s Washrooms ages 12 15 ceccceececeeeeceeeeeeeeeeaeees 40 102cm Children s Washrooms ages 15 18 cccceeccceeeeeeeeeeeeeeeeees 44 112cm FOr Wheelchail ACCESO arreen 38 97cm Place mounting base on wall at the desired location of the installed dryer See recommended mounting heights above Use the mounting base or the template provided with dryer to mark location of four mounting screw holes and hole for electrical wiring if electrical supply is concealed in wall and will enter dryer from back through mounting base NOTE Surface mounted electrical supply is attached to mounting base in lower right corner Flange of mounting base and bottom of cover are notched in lower right corner to accommodate connection of electrical conduit WARNING TURN ELECTRICAL POWER SUPPLY OFF BEFORE MAKING ELECTRICAL CONNECTIONS DRYER MUST BE GROUNDED EARTHED ELECTRICAL CONNECTION Connect dryer to nearest distribution panel Use wire as required by local electrical code In the United States and Canada use No 12 wire or larger Wiring Instructions For 115 Volt Dryers Connect ground earthed wire to ground earthed terminal marked the black
12. e done up to loosen the cover Lifting the cover over the two latches at the top of the chassis remove the cover To Replace Cover Place the cover over the two latches located at the top of the chassis Make sure that the cover has a good fit Using the Allen wrench turn the screws counter clockwise loosening the screws which will tighten the cover onto the chassis Do not over tighten screws Check to make sure the cover has a good fit Turn power back on to the dryer unit Allen Wrench AirCraft_DTG r8 13 Page 5 of 28 Diagnostic Sheet For AirCraft AirGuard AirPro amp QuietDry Dryers Problem AUTOMATIC 1 Dryer does not run 2 Sparks from dryer 3 Dryer runs at low speed 4 Dryer runs continuously 5 Dryer cycles on and off 6 Dryer sometimes runs 7 Dryer is oversensitive 8 Dryer blows cold air or motor runs fast 9 Grinding noise from dryer 10 Dryer does not run and heating element glows TOUCHBUTTON 1 Dryer does not run 2 Sparks from dryer 3 Dryer does not run and heating element glows 4 Dryer runs at low speed AirCraft_ DTG r8 13 Possible Cause a No electricity supply b Installation fault c Worn motor brushes d Element open circuit e Control nonstart f Triac open circuit Worn motor brushes a Worn motor brushes b Triac halfwave c Control halfwave a Triac short circuit b Control faulty Control Dirty control lens Control Control Heatin
13. emove cover place a hand on each side of cover and push up toward top of dryer releasing cover from studs at top of aluminum base unit Lift cover off base unit by pulling forward at the bottom and upward at the same time Insert aluminum base unit into recessed mounting box and fasten to top and bottom flanges of mounting box with the four 1 4 20 UNC MG 1 screws provided WARNING TURN ELECTRICAL POWER SUPPLY OFF BEFORE MAKING ELECTRICAL CONNECTIONS DRYER MUST BE GROUNDED EARTHED ELECTRICAL CONNECTION Wiring Instructions For 115 Volt Dryers Connect ground earthed wire to ground earthed terminal marked the black or Hot wire to terminal marked L1 and neutral or white wire to terminal marked N DEDICATED LINE IS REQUIRED FOR EACH 115 VOLT DRYER For 208 240 Volt Dryers Connect ground earthed wire to ground earthed terminal marked and the 208 240 Volt wires to terminals marked L L1 and N L2 Make sure excess wire does not interfere with operation of dryer REPLACE COVER Replace cover by positioning top of cover on studs on top of aluminum base unit and tipping bottom of cover toward aluminum base Push bottom of cover firmly against base NOTE Space between cover and base must be the same on bottom and both sides To tighten two cover bolts insert Allen wrench into holes on bottom edge of cover Make sure wrench fits into head of cover bolts and turn COUNTERCLOCKWISE until bolts are tightened NOTE Do not
14. g element a Worn motor brushes b Fan cage is bent or damaged Worn motor brushes a No electricity supply b Installation fault c Tabs are not connecting d Worn motor brushes e Element open circuit f Timer assembly nonstart Worn motor brushes Worn motor brushes a Worn motor brushes Possible Solution Check main supply wiring Check service manual for possible wiring mistakes Check length of brushes replace if less than 12 Return dryer to Bobrick for repair Replace control Replace triac Replace motor brushes Replace motor brushes Remove white wire from triac no difference replace triac Remove white wire from triac dryer stops replace control Remove white wire from triac no difference replace triac Remove white wire from triac dryer stops replace control Replace control Clean control lens Replace control Replace control Return dryer to Bobrick for repairs Replace motor brushes Return dryer to Bobrick for repairs Replace motor brushes if still not functioning after replacing the motor brushes return dryer to Bobrick for repairs Check main supply wiring Check service manual for possible wiring mistakes Turn off power remove cover and bend tabs closer to sensor board Check length of brushes replace if less than 12 Return dryer to Bobrick for repair Perform Screwdriver Test see test instructions Replace motor brushes Replace motor brushes if still not fu
15. ir Dryers 19 Installation of Recessed AirCraft Hand and Hair Dryers 22 AirCraft_ DTG r8 13 Page 12 of 28 Cover Replacement The dryer covers for different models are NOT interchangeable Disconnect power supply before removing cover Fig 1 Allen Wrench Fig 1P Cover Bolts To Remove Cover 1 Disconnect the power supply 2 Locate the two tamper resistant screws at the bottom of the dryer cover 3 Using the Allen wrench 4 or 5mm turn the screws clockwise to loosen the cover 4 Lifting the cover over the two latches at the top of the chassis remove the cover To Replace Cover 1 Place the cover over the two latches located at the top of the chassis Make sure that the cover has a good fit 2 Using the Allen wrench turn the screws counter clockwise loosening the screws this will tighten the cover onto the chassis Do not over tighten the screws 3 Check to make sure the cover has a good fit Turn the power supply back on 4 Allow 10 seconds for the controller to stabilize and check operation of the dryer On Automatic Dryers if the operation is intermittent check that the controller has a clear view out of the cover aperture use the spacers provided to raise the controller if required AirCraft_ DTG r8 13 Page 13 of 28 Installation Of Touch Controller Triac 115V only White Terminal Block Note Some early models may have 4 way terminal blocks The wires to terminal 4 sh
16. mm at the desired location of the installed dryer See recommended mounting heights above Frame the opening as shown in diagram to support recessed mounting box Place the recessed mounting box in wall and cut an opening in the framing to allow clearance for electrical conduit and fittings at one of the three conduit knockout locations Page 22 Fasten recessed mounting box to framing with minimum of four No 10 4 8mm sheet metal screws not furnished by Bobrick Make sure flanges of mounting box are completely flat against finished wall surface If necessary use shims or spacers between mounting box and framed wall opening to prevent distortion to box as it is fastened to framing Install electrical conduit from nearest distribution panel to recessed mounting box Attach conduit fittings to mounting box Use wire as required by local electrical code In the United States and Canada use No 12 wire or larger Allow a minimum of 24 610mm of wire to remain in recessed mounting box for connection to dryer terminals INSTALLATION OF ALUMINUM BASE UNIT INTO RECESSED MOUNTING BOX Start installation of aluminum base unit into recessed mounting box by removing cover To loosen two cover bolts insert Allen wrench provided with dryer into holes located on bottom edge of cover Make sure wrench fits into head of cover bolts and turn CLOCKWISE until bolts stop turning When both cover bolts are screwed in all the way cover can be removed To r
17. nctioning after replacing the motor brushes return dryer to Bobrick for repairs Replace motor brushes Page 6 of 28 Problem 5 Dryer runs continuously 6 Dryer blows cold air 7 Grinding noise from dryer 8 Dryer is oversensitive and switches on or off randomly 9 Dryer cycles on and off AirCraft_ DTG r8 13 Possible Cause b Timer assembly b Timer assembly Heating element a Worn motor brushes b Fan cage is bent or damaged a Button loose b Timer assembly or crystal board Timer assembly or crystal board Possible Solution Replace timer assembly Replace timer assembly Return dryer to Bobrick for repair Replace motor brushes Return dryer to Bobrick for repair Pack button O ring with tape Perform Screwdriver Test see test instructions Perform Screwdriver Test see test instructions Page 7 of 28 Screwdriver Test for Touch Button Dryers Disconnect power supply before removing cover NOTE This test instruction sheet is not for dissemination to and should not be disseminated to the public including end users This test is designed to test the Touch Timer Assembly and the Sensor Board Instructions For Test 1 Turn off the power to dryer 2 Remove dryer cover 3 Turn on the power Do not touch any part of the dryer 4 Using an insulated screwdriver short across the two tabs see below a If dryer runs n sensor board may be faulty replace sensor board b
18. ould not be changed wires may be sleeved New Timers will not be sleeved This Angle Bracket is provided on Recessed Dryers only Screws 2 Sa n Dryers 2 Screws 2 Surface Mounted Dryers To Remove Existing Timer 1 2 Disconnect the power supply and remove the cover Remove the timer from the base plate by unscrewing the two screws securing the timer bracket to the base On recessed dryers the timer bracket is secured to a metal angle bracket this bracket with its screws must be removed and retained for use on the replacement timer Disconnect the pink or yellow red and black timer wires from the terminal block and the white wire push on connector from the triac 115V only Place the timer aside for return to the Service Department To Install New Timer 1 Mount the timer assembly to the base plate In the case of recessed dryers it is first necessary to attach the metal angle bracket removed from the faulty timer to the new timer 2 Route the timer wiring under the element tube and attach the white wire push on connector to the small spade terminal on the triac 115V only older 208 240V units may have a base plate mounted triac this is no longer required and can be removed 3 Connect the remaining three timer wires to the terminal block black wire to terminal 1 red wire to terminal 2 pink wire to terminal 3 Secure wiring with cable ties provided 5 Replace dryer cover Switch on electri
19. out of the cover aperture use the spacers provided to raise the controller if required Page 16 of Instructions For Installation Of Sensor Board There are two methods fixing sensor boards 1 Fixed with five screws Fig 1 2 Fixed with three screws Fig 2 Disconnect power In both cases the orientation of the board is critical supply before removing cover Fig 1 Fig 2 REE Phillips head A desai 2 Machine i Screws 3 Screws 2 T Collar Mounting Bracket XS Cast lron z Cover Al 1 Switch off mains supply and remove cover Place cover face downward on a bench using a cloth to protect the finish 2 Remove the screws securing the board to the collar or bracket 3 Mount the new board 4 Replace cover Switch on electrical supply and carry out normal hand drying procedure to test operation AirCraft_DTG r8 13 Page 17 of 28 Instructions For The Replacement Of Motor Brushes Disconnect power supply before removing cover The brush spares kit contains two brushes Always replace BOTH brushes een ef EMD MOTOR STUD To remove the brush 1 Squeeze the sides of the retainer and ease it j BRUSH l a CAP over the stud with a small screwdriver 2 Remove the retainer cap and brush Do not CAP y D SPRING lt A A BRUSH Jj amp SPRING ASSEMBLY EMD MOTOR mislay the small cap spring To replace the brush 1 Insert the new brush into the holder 2 Place the cap with the c
20. s on how long an implied warranty lasts so the above limitation may not apply to you This warranty gives you specific legal rights and you may also have other rights which vary from state to state Normal service constitutes performing the following preventive maintenance procedures at six month intervals Remove cover and clean any lint dust or grease from air intake grille and baffle from behind air outlet nozzle Visually inspect motor brushes to insure remaining brush length is a minimum of 1 2 inch 12 7mm Labor costs for preventive maintenance shall be at owner s expense For repair or exchange of defective part send the part together with installation date and serial number to BOBRICK Page 25 Schematic Diagram 115V Dryer C G C Cutout H Heater M Motor TR Triac TS Timer Sensor Schematic Diagram 208 240V Automatic Dryer DS TS Timer Sensor Page 26 Schematic Diagram 208 240V Touch Dryer C Cutout TS Timer Sensor M Motor H Heater Page 27 Schematic Diagram QuietDry Dryers 208 240V C Cutout H Heater M Motor TS Timer Sensor Page 28
21. s securing the control unit to the base plate Note the different position of recessed and surface mounted screws If the control unit wiring is secured by cable ties carefully cut these to free the 4 wires from other wiring Remove the Push On Terminal securing the white wire to the triac Disconnect the controller wires from terminals 1 2 and 3 on the terminal block Leave all other wires in position Carefully lift control out of base plate Avoid disturbing other wiring Note On recessed dryers it will be necessary to slide the control to the right to clear the fan case To Install New Control Unit 1 2 Position the new control unit on the base plate to line up with the screw holes and secure with the screws and washers previously removed Route wiring under element tube and connect wiring as follows white wire with Push On Terminal to triac Black wire to Terminal 1 with existing black wire Red wire to Terminal 2 with existing red wire Pink wire to Terminal 3 with existing wiring Secure all wires to existing wires with a minimum of 2 cable ties Replace grille and sealing gasket and secure with screws previously removed Check all wires for security and all screws for tightness Replace cover Switch on electric supply Allow 10 seconds for the controller to stabilize and check operation of the dryer If the operation is intermittent check that the controller has a clear view
22. xt Terminal round in a clockwise direction and the yellow or pink wire to the remaining Terminal Replace dryer cover Switch on electrical supply and test operation allow 10 seconds for the controller to stabilize before placing hands in front of lens automatic units AirCraft_ DTG r8 13 28 Triac Pad Must be Installed Under New Triac Triac Type T Triac Type Black riac Type S Black Yellow White or Pink Yellow or Pink White Triac Type SGS Remove These Screws to Change Triac White Terminal Block Page 15 of Installation Of Automatic Controller Disconnect power supply before removing cover Older units have an intermediate plug and socket in the wiring this has now been discontinued and can be removed with the faulty controller The wiring on older units may be sleeved this was later replaced by plastic cable ties Some early 115 volt dryers had 4 way terminal blocks instead of the current 3 way blocks in these dryers the wires to the 4 terminal should not be disturbed Yellow or Pink Fan Case Terminal Block Element Cable Ties Grille Screw Pockets 2 JA Mounting Screws 2 for Surface Mounted Dryer Mounting Screws 2 for Recessed Dryer Timer Sensor Control Unit AirCraft_ DTG r8 13 28 To Remove Control Unit 1 Remove outlet grille from front of fan case by unscrewing the securing screws Remove the screw
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