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Alliance Laundry Systems UWT021LA, Service Manual

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Alliance Laundry Systems UWT021LA Service Manual Download Page 97

39201

99

Section 10 Wiring Diagrams

Failure to install, maintain, and/or operate this machine according to the manufacturer's 
instructions may result in conditions which can produce bodily injury and/or property damage.

W030

WARNING

© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT

MODELS HWT620*C, SWT620*C, SWT621*C, SWT620*D AND SWT621*D

Summary of Contents for UWT021LA

Page 1: ...www comlaundry com H002C Part No 39201R2 July 2001 Service Commercial Automatic Washer Metered and Nonmetered Refer to Page 6 for Model Numbers...

Page 2: ...Tub 17 Section 4 Grounding 17 Wall Receptacle Polarity Check 19 18 Power Cord To Control Hood Control Hood To The Control Panel Frame 19 19 Control Hood Wire Harness To Top Left Rear Corner Gusset Of...

Page 3: ...SWT120 A SWT120 M SWT121 A and SWT121 M 93 Models SWT210 A and SWT210 M 94 Models SWT220 A SWT220 M SWT221 A and SWT221 M 95 Models SWT320 A SWT320 M SWT321 A and SWT321 M 96 Models SWT420 A SWT420 D...

Page 4: ...ANT and NOTE are followed by specific instructions IMPORTANT The word IMPORTANT is used to inform the reader of specific procedures where minor machine damage will occur if the procedure is not follow...

Page 5: ...s also recommends contacting an authorized technician and using authorized factory parts To reduce the risk of electric shock fire explosion serious injury or death Disconnect electric power to the dr...

Page 6: ...whom the machine was purchased or contact Alliance Laundry Systems at 920 748 3950 for the name and address of the nearest authorized parts distributor For technical assistance call 920 748 3121 Name...

Page 7: ...C X X 2 P HWT120 M X X 2 P JWT110 A X X 1 P JWT110 M X X 1 P SWTB20 M X X X 2 P SWTC20 M X X X 2 P SWTF20 M X X X 2 P SWT020 A X 2 P SWT020 M X 2 P SWTA21 M X X X 2 S SWTB21 M X X X 2 S SWTC21 M X X...

Page 8: ...X X 2 S SWT620 A X X X 2 P SWT620 C X X X 2 P SWT620 D X X X 2 P SWT620 M X X X 2 P SWT621 C X X X 2 S SWT621 D X X X 2 S SWT621 M X X X 2 S SWT720 A X X X 2 P SWT720 M X X X 2 P SWT721 A X X X 2 S S...

Page 9: ...the washtub fills with water until it is great enough to activate the pressure switch The pressure switch then causes the wash fill to stop and wash agitation to begin However the loading door must be...

Page 10: ...ter washtub and load weight cause the drive belt tension on the idler side of the belt to overtake the idler spring pressure allowing the belt to become slack on the opposite side This reduces the bel...

Page 11: ...st solenoid and replace if inoperative Inoperative timer Test timer and replace if inoperative Inoperative temperature switch Test switch and replace if inoperative Inoperative pressure switch Test sw...

Page 12: ...ose Blow air through hose to remove water Broken loose shorted or incorrect wiring Refer to appropriate wiring diagram POSSIBLE CAUSE TO CORRECT Timer is designed to pause during fill periods Allow co...

Page 13: ...n Refer to Section 7 to check switch and windings Motor overload protector has cycled Wait two or three minutes for overload protector to reset If protector cycles repeatedly refer to Paragraph 9 Bind...

Page 14: ...ncorrect wiring Refer to appropriate wiring diagram Inoperative transmission assembly Repair or replace transmission assembly POSSIBLE CAUSE TO CORRECT Belt is tacky and does not allow proper slip Che...

Page 15: ...belt Motor will not run Refer to Motor Test Section 7 to check switch and windings Sheared motor pulley roll pin Through Serial No 001113645 Remove drive motor and appropriately replace roll pin and a...

Page 16: ...ct wiring Refer to appropriate wiring diagram Motor overload protector has cycled Wait two or three minutes for overload protector to reset If protector cycles repeatedly refer to Paragraph 9 Motor sw...

Page 17: ...d module spring s Connect or replace module spring s Washer is not properly leveled Adjust leveling legs Washer is installed on weak spongy carpeted or built up floor Relocate washer or support floor...

Page 18: ...right Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Section 4 Grounding 17 WALL RECEPTACLE POLARITY CHECK Refer to Figure 1 18 POWER CORD TO CONTROL HOOD CONTROL HOOD TO THE CONTROL PANEL FRAME...

Page 19: ...emoved during servicing these ground wires must be reconnected to ensure that the washer is properly grounded W003 WARNING Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 19 CONTROL HOO...

Page 20: ...is made to directions right or left in this manual it is from operator s position facing front of washer 21 CONTROL HOOD ASSEMBLY a CONTROL PANEL 1 Remove two control panel attaching screws Refer to F...

Page 21: ...onnect wires from switch NOTE Refer to appropriate wiring diagram when rewiring switch c INDICATOR LIGHTS In Use Rinse or Spin Refer to Figure 6 1 Remove two control panel attaching screws Refer to Fi...

Page 22: ...control is supplied in a special anti static wrapping and protected by anti static foam While holding control by its metal edges remove control from foam and wrapping 1 Remove two control panel attach...

Page 23: ...panel frame Switch holes are the locating guides 1 Once panel overlay is fitted to the front of control panel frame carefully peel protective backing from the left end of panel overlay and press into...

Page 24: ...3 WARNING Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT IMPORTANT Be careful not to dislodge or damage two timer motor lead wires while handling timer NOTE To avoid timer damage do no...

Page 25: ...bracket forward until bottom front of bracket contacts rear of coin vault in meter case Refer to Figure 9 6 While holding timer bracket up against rear of coin vault install cap screw and tighten firm...

Page 26: ...from coin drawer switch and disconnect coin drop at disconnect plugs 3 Press in on locking tabs of service door switch and remove switch from bracket on meter case as shown in Figure 13 4 Use a 7 16...

Page 27: ...T f DUAL COIN DROP REMOVAL 1 Unlock and open service door NOTE If screw type lock is used the retainer bracket must be removed from inside meter case 2 Disconnect wire harness from coin drawer switch...

Page 28: ...cking tabs of coin drawer switch and remove switch through front of meter case Refer to Figure 16 7 Use a 7 16 inch socket with No 310P4 1 4 inch Ratchet Extension Tool and remove two locknuts holding...

Page 29: ...t be reconnected to ensure that the washer is properly grounded W003 WARNING Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 9 Lift up back end of coin drop until the two coin return st...

Page 30: ...cing these ground wires must be reconnected to ensure that the washer is properly grounded W003 WARNING Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 11 Carefully lift complete coin d...

Page 31: ...COIN DROP INSTALLATION 1 Gently work new coin drop into meter case with the drop s front face plate down Refer to Figure 20 2 Carefully pull front of coin drop up and forward so the drop s front face...

Page 32: ...awer housing Refer to Figure 23 6 Carefully slide coin drop forward into position as shown in Figure 24 Front face plate of coin drop should be secure against front plate of meter case 7 Using a 7 16...

Page 33: ...w from inside meter case NOTE When installing meter case shoulder screw must be installed in outer hole Refer to Figure 9 to enable timer bracket to slide under screw head 11 Remove two screws from bo...

Page 34: ...gh to loosen inner clamp then remove elbow from inner hose NOTE When installing elbow on inner hose DO NOT allow hose inside of washer to twist Direct elbow toward drain receptacle and secure elbow to...

Page 35: ...1 Section 5 Service Procedures Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Procedure One Procedure Two Procedure Three Figure 28 DOOR FRONT W288SE3A DOOR FRONT W289SE3A DOOR FRONT W...

Page 36: ...AGITATOR DRIVE BELL AND SEAL ASSEMBLY IMPORTANT If water is present in washtub spin and pump out before attempting to remove drive bell a Open loading door b Remove agitator by placing two agitator h...

Page 37: ...MPORTANT If large nut is turned clockwise when pulling drive bell you will twist off the quarter inch bolt j After drive bell has been pulled remove tool and drive bell by turning quarter inch bolt ou...

Page 38: ...al onto hub and carefully push into position using large end of No 293P4 Seal Tool Refer to Figure 35 IMPORTANT Using a small pocket mirror check entire circumference of bottom seal flange to make sur...

Page 39: ...CLOCKWISE to force drive bell down onto transmission shaft until drive bell bottoms out on shaft d Turn quarter inch bolt out of transmission shaft and remove tool e Thread new shoulder screw down th...

Page 40: ...PANEL Refer to Figure 37 a Remove two screws from bottom edge of front panel Refer to Figure 37 b Pull bottom of panel away from washer until hold down clips located on top flange of panel disengage f...

Page 41: ...ard far enough to prevent damaging bending loading door switch lever d Tape loading door closed and lift cabinet top to a vertical position by hinging it on the rear hinges NOTE Cabinet top is self su...

Page 42: ...ng loading door switch lever i Lift front of cabinet top slightly and pull forward to disengage from rear hinges j Pull top forward far enough to permit disconnecting ground wires from top rear corner...

Page 43: ...sen hose clamps and remove hoses from pump assembly Refer to Figure 40 d Unhook idler spring from tab on front of motor mounting bracket Refer to Figure 40 IMPORTANT Use care when releasing idler leve...

Page 44: ...NOT COPY or TRANSMIT Figure 41 W477SE3A PUMP EMBOSSES MOTOR ASSEMBLY CAPACITOR PUMP EMBOSS MOTOR SHAFT Clean shaft and apply a thin film of lubricant No 03637P REAR PUMP LEG Must be located between b...

Page 45: ...bricant helps keep moisture out of the hub area and retards corrosion c Align pump impeller hub with motor shaft Make sure belt encircles rear pump leg carefully push pump onto motor shaft so three pu...

Page 46: ...2P MOTOR SHIELD MOTOR SWITCH SCREW MOTOR ASSEMBLY MOTOR MOUNT POST ROLL PIN LOCKNUT LOCKNUT MOTOR MOUNTING BRACKET IDLER LEVER WASHER SHOULDER BOLT SCREW IDLER SHAFT WASHER IDLER LEVER SPRING RETAINER...

Page 47: ...tion block away from motor switch Refer to Figure 40 g Remove four screws holding motor mounting bracket to lower flange of outer tub and to weldment assembly Refer to Figure 40 Then remove complete a...

Page 48: ...fer to Figure 43 IMPORTANT Use care when removing idler spring If idler spring is overstretched washer operation will be affected e Reach in and around right side of motor and run belt off right side...

Page 49: ...p hold down screws Refer to Figure 37 6 Remove security bolt if present from left rear corner of cabinet top NOTE When lowering cabinet top into position or reinstalling cabinet top pivot outer tub fo...

Page 50: ...oulder screw Lift timer and bracket out of meter case through service door opening as far as wires will permit 4 Remove shoulder screw from inside meter case 5 Remove two cabinet top hold down screws...

Page 51: ...otion back and forth carefully lift agitator off drive bell d Remove two screws from bottom edge of front panel Refer to Figure 37 e Pull bottom of panel away from washer until hold down clips located...

Page 52: ...ge and remove cover IMPORTANT When installing outer tub cover always use a new cover gasket NOTE Clean and remove any foreign material in gasket groove of outer tub cover and outer tub flange j Starti...

Page 53: ...Laundry Systems LLC DO NOT COPY or TRANSMIT Figure 48 W480SE3A OUTER TUB OUTER TUB COVER OUTER TUB PLACE FINGERS UNDER THIS AREA AND PULL OUT AND AWAY FROM TUB AND AT THE SAME TIME LIFT UP ON TUB COVE...

Page 54: ...moving washtub and balance ring grasp top flange of washtub and remove from outer tub NOTE When installing washtub make sure all traces of old gasket are removed from bottom of washtub Always use a ne...

Page 55: ...ar enough to prevent damaging bending loading door switch lever g If area or space permits tape loading door closed and lift cabinet top to a vertical position by hinging it on the rear hinges NOTE Ca...

Page 56: ...o Figure 30 c Place tool over bell making sure indent on jaw lines up with the wide slots on bell Refer to Figure 30 d Screw bolt down through hole in top of bell until bolt bottoms out in hole in tra...

Page 57: ...r seal e Leaving garter spring on water seal place new water seal over outer tub flange with seal lip on outside of tub flange Then press seal into tub flange opening using moderate finger pressure f...

Page 58: ...nd hub assembly IMPORTANT Before setting washtub into place make sure holes in hub assembly are aligned with holes in gasket n Secure washtub to hub assembly using cap screws and gaskets from 27202P S...

Page 59: ...ove shoulder screw from inside meter case 5 Remove two cabinet top hold down screws 6 Remove security bolt if present from left rear corner of cabinet top NOTE When lowering cabinet top into position...

Page 60: ...to Figure 48 i Remove screws and gaskets holding washtub to hub Refer to Figure 49 IMPORTANT Porcelain Washtub Models Use care when tightening cap screws to avoid chipping porcelain on washtub j Lift...

Page 61: ...n outside of outer tub flange when reinstalling support legs of weldment assembly Do not overtighten screws as this could cause stripping or porcelain damage Torque screws between 90 to 130 inch pound...

Page 62: ...pivot outer tub forward far enough to prevent damaging bending loading door switch lever g If area or space permits tape loading door closed and lift cabinet top to a vertical position by hinging it...

Page 63: ...tub and lift complete tub module assembly with transmission and weldment assembly attached straight up and out of washer cabinet p Turn complete tub module upside down and set on protective padding q...

Page 64: ...dry Systems LLC DO NOT COPY or TRANSMIT Figure 56 BEARING BRAKE ASSEMBLY WASHER Thick WASHER Thin HELIX WASHER CAP SCREW PIVOT DOME WASHER BASE W449SE3B BRAKE PAD SCREW DRIVE PULLEY APPLY NO 03200P LU...

Page 65: ...eck for a 030 76 mm minimum gap between drive pulley and helix ramp surfaces IMPORTANT If gap is less than 030 76 mm brake may not stop washtub from spinning in required seven seconds because brake wi...

Page 66: ...ulley k Using No 289P4 Spring Hook Tool unhook six module springs from lower edge of outer tub Refer to Figure 53 IMPORTANT When installing module springs make sure spring hook is fully seated in hole...

Page 67: ...has been spinning for two minutes normal spin speed should be 640 20 RPM one speed models 640 20 RPM FAST speed or 427 20 RPM SLOW speed on two speed models If not the cause could be dragging brake p...

Page 68: ...46 TUB COVER AND GASKET 1 There are eight tub cover hold down tabs which snap over the outer tub flange Place your fingers under the flaps of the hold down tab of the tub cover and pull out on the fla...

Page 69: ...re before removing hose from pump pinch off or drain hose to prevent water spillage q Loosen hose clamp and remove pressure hose from pressure bulb Refer to Figure 44 r Remove wire tie holding motor w...

Page 70: ...porcelain damage leg plates must be installed on outside of outer tub flange when reinstalling support legs of weldment assembly Refer to Figure 54 Do not overtighten screws as this could cause strip...

Page 71: ...til two halves separate Place assembly back into vise cover end up and remove three screws and lockwashers g Remove screw and washer holding reduction gear to transmission cover and remove gear h Remo...

Page 72: ...original set h Refill transmission case with new No 27243P Transmission Oil one fill i To prevent seal damage insert input shaft into cover starting at outer end of cover tube IMPORTANT End of shaft...

Page 73: ...3A SHAFT Output TRANSMISSION OIL 1 Fill WASHER INTERNAL GEAR SPECIAL SCREW WASHER DRIVE PINION LOCKWASHER SHAFT Input CAP SCREW TRANSMISSION COVER IDENTIFICATION GROOVE REDUCTION GEAR WASHER SLIDE TRA...

Page 74: ...rt leg to outer tub Refer to Figure 54 c Lift complete weldment assembly with drive pulley brake assembly lower bearing and transmission assembly attached off outer tub IMPORTANT To prevent porcelain...

Page 75: ...ng door switch lever g If area or space permits tape loading door closed and lift cabinet top to a vertical position by hinging it on the rear hinges NOTE Cabinet top is self supporting however a smal...

Page 76: ...tor and pump are facing toward front of washer q Use the No 289P4 Spring Hook Tool and staring with the rear springs hook 6 module springs into lower edge of outer tub Refer to Figure 53 IMPORTANT Whe...

Page 77: ...78 39201 Section 5 Service Procedures Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Figure 61 W483SE3B TUB COVER PRESSURE BULB PRESSURE HOSE FILLER HOSE HOSE CLAMP...

Page 78: ...floor c Loosen locknuts and adjust two front leveling legs Once adjusted tilt washer forward on front legs and lower back down into position to set the rear self leveling legs d Washer must not rock...

Page 79: ...factory the pressure switch is set for approximately 11 inches of water To adjust the pressure switch proceed as follows a Remove the two control panel attaching screws and lift the assembly up and o...

Page 80: ...re with motor centrifugal mechanism in the run position Disconnect electric power to washer before performing the following steps W188 WARNING Meter Connections Reading Should Be If Not 1 Ground to Ea...

Page 81: ...AST D SLOW 1 56 SPIN AND SPRAY X X COLD N FAST PP FAST D SLOW 31 SPIN X X N FAST PP FAST D SLOW 36 SPIN AND SPRAY X X COLD N FAST PP FAST D SLOW 07 SPIN X X N FAST PP FAST D SLOW 1 07 PAUSE X 04 RINSE...

Page 82: ...X H W C N FAST PP FAST D SLOW 7 00 7 00 PAUSE X 21 21 SPIN SPIN X N FAST PP FAST D SLOW 1 25 1 25 SPIN AND SPRAY X COLD N FAST PP FAST D SLOW 45 45 SPIN X N FAST PP FAST D SLOW 1 15 1 15 PAUSE X 04 04...

Page 83: ...ABLE FILL X H W C N FAST PP FAST D SLOW 10 00 PAUSE X 34 SPIN SPIN X N FAST PP FAST D SLOW 1 32 SPIN AND SPRAY X COLD N FAST PP FAST D SLOW 30 SPIN X N FAST PP FAST D SLOW 1 29 PAUSE X 06 RINSE FILL T...

Page 84: ...H W C N FAST PP FAST D SLOW 10 00 10 00 PAUSE X 34 34 SPIN SPIN X N FAST PP FAST D SLOW 1 32 1 32 SPIN AND SPRAY X COLD N FAST PP FAST D SLOW 30 30 SPIN X N FAST PP FAST D SLOW 1 29 1 30 PAUSE X 06 0...

Page 85: ...are removed during servicing these ground wires must be reconnected to ensure that the washer is properly grounded W003 WARNING Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Section...

Page 86: ...s panels removed Whenever ground wires are removed during servicing these ground wires must be reconnected to ensure that the washer is properly grounded W003 WARNING Copyright Alliance Laundry System...

Page 87: ...s instructions may result in conditions which can produce bodily injury and or property damage W030 WARNING Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Section 10 Wiring Diagrams WI...

Page 88: ...according to the manufacturer s instructions may result in conditions which can produce bodily injury and or property damage W030 WARNING Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT...

Page 89: ...machine according to the manufacturer s instructions may result in conditions which can produce bodily injury and or property damage W030 WARNING Copyright Alliance Laundry Systems LLC DO NOT COPY or...

Page 90: ...in and or operate this machine according to the manufacturer s instructions may result in conditions which can produce bodily injury and or property damage W030 WARNING Copyright Alliance Laundry Syst...

Page 91: ...machine according to the manufacturer s instructions may result in conditions which can produce bodily injury and or property damage W030 WARNING Copyright Alliance Laundry Systems LLC DO NOT COPY or...

Page 92: ...in and or operate this machine according to the manufacturer s instructions may result in conditions which can produce bodily injury and or property damage W030 WARNING Copyright Alliance Laundry Syst...

Page 93: ...operate this machine according to the manufacturer s instructions may result in conditions which can produce bodily injury and or property damage W030 WARNING Copyright Alliance Laundry Systems LLC D...

Page 94: ...operate this machine according to the manufacturer s instructions may result in conditions which can produce bodily injury and or property damage W030 WARNING Copyright Alliance Laundry Systems LLC D...

Page 95: ...cturer s instructions may result in conditions which can produce bodily injury and or property damage W030 WARNING Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT MODELS SWT420 A SWT420...

Page 96: ...maintain and or operate this machine according to the manufacturer s instructions may result in conditions which can produce bodily injury and or property damage W030 WARNING Copyright Alliance Laund...

Page 97: ...rate this machine according to the manufacturer s instructions may result in conditions which can produce bodily injury and or property damage W030 WARNING Copyright Alliance Laundry Systems LLC DO NO...

Page 98: ...ain and or operate this machine according to the manufacturer s instructions may result in conditions which can produce bodily injury and or property damage W030 WARNING Copyright Alliance Laundry Sys...

Page 99: ...to the manufacturer s instructions may result in conditions which can produce bodily injury and or property damage W030 WARNING Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT MODELS S...

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