Alliance Laundry Systems DCB50EG Service Manual
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Alliance Laundry Systems DCB50EG Service Manual

Alliance Laundry Systems DCB50EG Service Manual

50 pound capacity
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See also: Troubleshooting Manual
Drying Tumblers
50 Pound Capacity
Refer to Page 5 for Model Numbers
T012c
T012C
Part No. M411429R1
www.comlaundry.com
July 2002

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Summary of Contents for Alliance Laundry Systems DCB50EG

  • Page 1 Drying Tumblers 50 Pound Capacity Refer to Page 5 for Model Numbers T012c T012C Part No. M411429R1 www.comlaundry.com July 2002...

  • Page 2: Table Of Contents

    All rights reserved. No part of the contents of this book may be reproduced or transmitted in any form or by any means without the expressed written consent of the publisher. M411429 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
  • Page 3 76. Main Coil ............67 77. Igniter and Bracket ..........67 78. Sensor ..............67 79. Igniter...............67 80. Ignition Control ..........67 81. Gas Valve............67 82. Main Coil ............68 83. Burner Tube .............68 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT M411429...

  • Page 4: Section 1 -Safety Information

    NOTE: The word “NOTE” is used to communicate installation, operation, maintenance or servicing information that is important but not hazard related. M411429 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...

  • Page 5: Locating An Authorized Service Person

    The manufacturer will not be responsible for any injury or property damage arising from improper service and/or service procedures. W008 M411429 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...

  • Page 6: Section 2 -Introduction

    JTB50CSH ST37CE JT37CGI ST37EGI JTB50CSL ST50CE JT37EG ST50CGI SC50CSH STB50CE JT37EGI SCB50CSH TKD50CEMT ST50EGI ST37CSH JT50CG STB50CG ST37CSL JT50CGI STB50EG ST50CSH JT50EG TKD50CGMT ST50CSL JT50EGI STB50CSH STB50CSL M411429 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...

  • Page 7: Customer Service

    When calling or writing about your product, be sure to mention model and serial numbers. Model and serial numbers are located on serial plate(s) as shown. T419IE3B © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT M411429...

  • Page 8: Safety Warnings And Decals

    • Loading door switch MUST be operational before putting tumbler into service. • Junction box cover MUST be reinstalled after inspection or servicing of tumbler is completed. M411429 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...

  • Page 9: How A Tumbler Works

    The air then passes through the lint filter, exhaust fan, and is vented to the outdoors. NOTE: In Energy Saver Models, some of the exhaust air is recirculated. Refer to page 9. © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT M411429...
  • Page 10 Section 2 Introduction Fresh Air Combustion Air Mixed Air Recirculating Air T007CE1A Exhaust Air Energy Saver Models M411429 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...

  • Page 11: Section 3 -Troubleshooting

    • Test run switch and replace if inoperative. (accumulator). Broken, loose, or incorrect wiring. • Refer to wiring diagram located on back of tumbler or in literature packet. M411429 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...

  • Page 12: Motor Overload Protector Cycles Repeatedly

    Metered Models: Inoperative accumulator. • Test accumulator and replace if inoperative. Incorrect wiring. • Refer to wiring diagram located on back of tumbler or in literature packet. © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT M411429...

  • Page 13: Heating Element Does Not Heat Or Burner Does Not Ignite13

    • Test igniter and replace if inoperative. Inoperative igniter. Gas Models: (Automatic Ignition) • Test igniter control and replace if inoperative. Inoperative igniter control. (continued on next page) M411429 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
  • Page 14 • Open lint door panel, place lint door panel back on tumbler (ensuring a tight fit) then latch. Broken, loose, or incorrect wiring. • Refer to wiring diagram located on back of tumbler or in literature packet. © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT M411429...

  • Page 15: Pilot Does Not Ignite - Gas Models (Standing Pilot Ignition)

    If pilot orifice is different from that specified on serial plate, obtain and install correct orifice. Inoperative gas valve reset assembly or • Check and replace reset assembly or thermocouple if thermocouple. necessary. M411429 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...

  • Page 16: Igniter Does Not Shut Off After Gas Ignition - Gas Burner (Automatic Pilot Ignition)

    Igniter is broken or open. • Replace glow bar igniter. No circuit for burner operation. • Tumbler is not calling for heat, check the heat circuit to the ignition system. © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT M411429...

  • Page 17: Igniter Glows, Sensor Opens But No Ignition - Gas Models

    • If voltage is present and main coil does not stay open, replace main coil. • If no voltage is present, replace diode logic board. M411429 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...

  • Page 18: Gas Models

    Cycling off on high limit thermostat. • Refer to Paragraph 14. Broken, loose or incorrect wiring. • Refer to wiring diagram located on back of tumbler or in literature packet. © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT M411429...

  • Page 19: Heating Element Or Burner Repeatedly Cycles Off On High Limit Thermostat

    Incorrect voltage. • Refer to Installation Manual (supplied with tumbler) for electrical requirements. Inadequate make-up air. • Refer to Installation Manual (supplied with tumbler) for make-up air requirements. M411429 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...

  • Page 20: Tumbler Overheating

    TO CORRECT Door strike improperly adjusted. • Refer to Adjustment Section for door strike adjustment. Tumbler improperly leveled. • Refer to Adjustment Section for leveling leg adjustment. © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT M411429...

  • Page 21: Tumbler Runs But No Steam To Coils - Steam Models

    Trap functioning improperly. • Check trap for size and capacity. If trap is dirty or sluggish clean thoroughly or replace. Check return line for high back pressure. M411429 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...

  • Page 22: Tumbler Will Not Start, Time On Drying Timer, Door Closed

    SWITCH REPLACE MOTOR REPLACE REPLACE CHECK FOR PUSH-TO-START CHECK FOR RELAY BROKEN WIRE SWITCH BROKEN WIRE FROM CONTROL OR POOR RELAY TERMINAL 1 CONNECTION AT HARNESS PLUG © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT M411429...

  • Page 23: Motor Runs, Time On Drying Timer But No Heat

    HIGH LIMIT HIGH LIMIT HIGH LIMIT AT HARNESS PLUG THERMOSTAT THERMOSTAT THERMOSTAT CHECK FOR REPLACE REPLACE BROKEN WIRE BURNER THERMOSTAT FROM CABINET HIGH LIMIT HIGH LIMIT THERMOSTAT M411429 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...

  • Page 24: No Spark To Pilot Burner

    PILOT AND ASSEMBLY ASSEMBLY ELECTRODE (Cannot Swivel) ASSEMBLY REPLACE ELECTRONIC PACKAGE 7/64 INCH GAP BETWEEN ELECTRODE AND LEFT DIVERTER OF PILOT BURNER REPLACE PILOT AND ELECTRODE ASSEMBLY © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT M411429...

  • Page 25: Spark To Pilot Burner - No Pilot Flame

    MOMENTARILY TOUCH TO TERMINAL 2; IS “CLICK” HEARD? REPLACE RIGHT COIL (PILOT OPERATOR) REFER TO “NO SPARK TO PILOT BURNER” PILOT FILTER, CLEAR TUBE OR OBSTRUCTION ORIFICE OBSTRUCTED M411429 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...

  • Page 26: Spark To Pilot Burner - Pilot Lights - No Main Burner

    SECURELY CORRECT CORRECT REPLACE SENSOR CRACK IN CHECK GAS SENSOR PRESSURE CERAMIC INSULATOR PILOT FILTER, CLEAR PILOT ORIFICE TUBE OR OR USE LARGER ORIFICE PILOT ORIFICE OBSTRUCTED © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT M411429...

  • Page 27: Igniter Does Not Glow

    IGNITER AND BURNER PRIMARY COIL. AND 7 OF IGNITION 1/8 – 1/4 INCH? TERMINAL BLOCK RELAY? AND PRIMARY COIL. ADJUST REPLACE IGNITER GAP TO RELAY 1/8 – 1/4 INCH M411429 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...

  • Page 28: Igniter Does Not Glow

    MAIN COIL? OPEN? OPEN? REPLACE REPLACE DIODE REPLACE DIODE REPLACE ADJUST COMPLETE LOGIC BOARD LOGIC BOARD MAIN COIL IGNITER GAP TO GAS VALVE 1/8 – 1/4 INCH © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT M411429...

  • Page 29: Igniter Sparks - No Main Burner Ignition

    GAS SHUT-OFF OPEN GAS VALVE SHUT-OFF VALVE TURNED ON? 120 VOLTS REPLACE PRESENT ON BLACK WIRE CONTROL FROM IEI CONTROL CHECK GAS VALVE COILS REPLACE AS REQUIRED M411429 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...

  • Page 30: Csh Om Models: No Heat With Cycle Selected, Unit Running And Calling For Heat

    Is there voltage across the steam valve coil? If yes, Correct wiring to steam valve coil. continue to next step. Unit operational. If unit still doesn’t heat, check steam supply. © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT M411429...

  • Page 31: Om Models: No Start With Cycle Selected, Start Button Pressed And Door Closed

    L1, L2 and L3 of three phase units? If yes, continue to next step. Does the motor operate? If yes, continue to next step. Replace motor. Unit operational. M411429 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...

  • Page 32: Om Models: No Display After Selecting One Of The On/Select Keys

    Is there voltage to the opposite side of the fuse on the Check fuse making sure it is not blown. Replace if micro control? If yes, continue to next step. necessary. Replace micro control. © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT M411429...

  • Page 33: Ce Om Models: No Heat With Cycle Selected, Unit Running And Calling For Heat

    Do the elements produce heat? If yes, continue to Step 35. Check for opens or shorts in the elements. NOTE: IF elements are glowing a bright red/orange, there is not enough airflow. Unit operational. (continued) M411429 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...

  • Page 34: Cg Om Models: No Heat With Cycle Selected, Unit Running And Calling For Heat

    Is there voltage to terminal 2 of the ignition control? Correct wiring between ignition control and stove limit. If yes, continue to next step. (continued) © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT M411429...
  • Page 35 Is there a flame? If yes, continue to next step. Check for gas flow and proper gas pressure. Replace gas valve or coils of gas valve. Unit operational. M411429 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...

  • Page 36: Om Models: No Fan Motor Rotation With Cycle Selected And Start Pressed

    If yes, continue to next step. Is there voltage across L1, L2 and L3 of the motor? Correct wiring between motor and M contactor. If yes, continue to next step. Unit operational. © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT M411429...

  • Page 37: Mm Models: Fan Motor Does Not Run With Door Closed, Cycle Selected And Start Button Pressed

    Correct wiring between motor and motor contactor. continue to next step. Replace motor. NOTE: Make sure fuse on x1 of transformer is operational (240 Volt and 480 Volt/60 Hertz/3 Phase units). M411429 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...

  • Page 38: Mm Models: Cylinder Motor Does Not Run Or Reverse With Door Closed, Cycle Selected And Start Button Pressed In Reversing Mode Or Nonreversing Mode

    If yes, replace motor contactor supply. Unit operational. NOTE: If the unit will not reverse when reversing is selected, check for proper operation and wiring of reversing switch. Replace if necessary. © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT M411429...

  • Page 39: Mm Models: No Heat With Cycle Selected, Unit Running And Calling For Heat

    Correct wiring to steam valve. continue to next step. Does the unit heat? If yes, continue to next step. Check for proper steam supply. Replace steam valve if necessary. Unit operational. M411429 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...

  • Page 40: Mm Models: No Heat With Cycle Selected, Unit Running And Calling For Heat

    Check to see if gas line is on and that the gas line was next step. bled of air. Also, check for proper gas pressure. Unit operational. (continued) © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT M411429...

  • Page 41: Om Reversing Models: No Cylinder Rotation Or Reversing Capabilities

    Does the motor turn? If yes, continue to next step. Replace motor. Does the cylinder rotate? If yes, continue to next step. Check drive components between motor and cylinder. Unit operational. M411429 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...

  • Page 42: Mm Models: No Display After Pressing The On/Select Keys

    Correct wiring between motor and motor contactor. to next step. Replace motor. NOTE: Make sure fuse on x1 of transformer is operational (480 Volt/60 Hertz/3 Phase units). © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT M411429...

  • Page 43: Mm Models: Cylinder Motor Does Not Run Or Reverse With Door Closed, Cycle Selected And Start Button Pressed In Reversing Mode Or Nonreversing Mode

    If yes, replace motor contactor. supply. Unit operational. NOTE: If the unit will not reverse when reversing is selected, check for proper operation and wiring of reversing switch. Replace if necessary. M411429 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...

  • Page 44: Mm Nonreversing Models: Motor Does Not Run With Door Closed, Cycle Selected And Start Button Pressed

    Correct wiring between CR1-8 and L2. next step. Is there 120 VAC to terminal 7 of CR1? If yes, correct Replace CR1. wiring between CR1-7 and terminal 4 of the motor. © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT M411429...

  • Page 45: Cd Models: No Start With Vend Satisfied And Start Button Pressed In

    Is the internal wiring of the motor correct for the supply Change the wiring accordingly. voltage? Thermal overload cycled, allow motor to cool and recheck. Replace motor. Unit operational. M411429 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...

  • Page 46: Cd Models: No Heat With Vend Satisfied And Unit Running

    † Proper gaps for igniter: 5/16 above burner and 5/32 between electrode and grounding tab. The proper resistance of the high voltage lead is between 5,000 Ohms and 25,000 Ohms. © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT M411429...

  • Page 47: Cd Models: No Heat With Vend Satisfied And Unit Running

    † Proper gaps for igniter: 5/16 above burner and 5/32 between electrode and grounding tab. The proper resistance of the high voltage lead is between 5,000 Ohms and 25,000 Ohms. M411429 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...

  • Page 48: Cd Models: No Start With Vend Satisfied And Start Button Pushed

    Unit operational. NOTE: If the motor only runs with the start switch pressed in, that means the centrifugal switch in the motor is bad. Replace the motor. © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT M411429...

  • Page 49: Cd Models: No Start With Vend Satisfied And Start Button Pushed

    Unit operational. NOTE: If the motor only runs with the start switch pressed in, that means the centrifugal switch in the motor is bad. Replace the motor. M411429 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...

  • Page 50: Section 4 -Grounding

    To reduce the risk of electrical shock, de- energize the electrical circuit being connected to the tumbler before making any electrical connections. Never attempt to connect a live circuit. W070 M411429 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...

  • Page 51: Section 5 -Service Procedures

    Refer to Figure 2 for Coin Drop Models or Figure 3 for Manual Timer Models. NOTE: Refer to wiring diagram when rewiring light. M411429 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
  • Page 52 ACCESS PANEL CONTROL PANEL ATTACHING SCREWS SCREWS PUSH-TO-START SWITCH T056SE3D WIRE HARNESS TERMINAL PLUG BOARD T057SE3A CONTROL PUSH-TO-START CONTROL PANEL PANEL BRACKET SWITCH ASSEMBLY BRACKETS Figure 1 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT M411429...

  • Page 53: Relay (Manual Timers Models)

    Robert Shaw timer a barrier must be used. If both timers are Mallory or Greenwald timers, barrier may be discarded. NOTE: Refer to wiring diagram when rewiring timer. M411429 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...

  • Page 54: Cooling Or Drying Timer Motor

    (2) Connect timer terminal wire 3 to terminal the timer motor fails. board terminal B. a. Remove control panel. (3) Connect timer terminal 5 wire to terminal b. Disconnect motor leads. board terminal C. © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT M411429...

  • Page 55: Coin Meter

    Remove four speed nuts holding coin meter to coin meter frame. NOTE: Refer to wiring diagram when rewiring coin meter. Connect wires cut in step “c” above with new wire nut. M411429 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...

  • Page 56: Coin Meter Timer Motor

    Figure 7 c. Hold switches and actuating bracket under switches tightly together with one hand while removing two screws holding switches to timing motor mounting bracket. Carefully © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT M411429...

  • Page 57: Control Thermostat

    Refer to Figure 10. WIRE j. Carefully remove thermostat, tube and probe. THERMOSTAT THERMOSTAT KNOB SENSING TUBE TU013-SV BRACKET THERMOSTAT SENSING TUBE SCREWS Figure 9 T012SE1B Figure 8 M411429 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...

  • Page 58: Transformer

    NOTE: Refer to wiring diagram when rewiring transformer. d. Remove nut holding transformer to cabinet. THERMOSTAT THERMOSTAT SENSING PROBE SENSING TUBE SENSING PROBE WARNING LOCKING TABS LINT T014SE3A SCREEN Figure 10 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT M411429...
  • Page 59 Section 5 Service Procedures TRANSFORMER WIRES TRANSFORMER CONNECTORS ELECTRONIC TU015-SV PACKAGE Figure 11 M411429 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...

  • Page 60: Gas Valve Assembly

    PILOT AND SENSOR ELECTRODE SCREW WIRE ASSEMBLY ELECTRONIC PACKAGE COMPRESSION IGNITER WIRE FRAME PLUG ELECTRONIC SPUD HOLDER PILOT PACKAGE UNION TUBE ATTACHING NIPPLE TU020-SV SCREWS Figure 12 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT M411429...
  • Page 61 Johnson Controls Glow-Bar MAIN MAIN COIL COIL VALVE BODY VALVE BODY REDUNDANT COIL REDUNDANT COIL White Rodgers White Rodgers Glow-Bar Instant Electronic Ignition System (IEI) T002SE3A Figure 13 M411429 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...

  • Page 62: Electronic Package

    To reduce risk of fire or explosion, check pipe connections for gas leaks with a non- corrosive leak detection fluid. Do not use an open flame to check for gas leaks! W310 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT M411429...
  • Page 63 INSTANT ELECTRONIC IGNITER IGNITION HARNESS BRACKET NIPPLE MANIFOLD INSTANT ELECTRONIC IGNITION CONTROL SPARK IGNITER SHUT-OFF VALVE T021SE1A UNION HIGH VALVE VOLTAGE LEAD Instant Electronic Ignition Burner Figure 14 M411429 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...

  • Page 64: Gas Valve

    Disconnect wires from magnetic operator terminals. d. Remove screws holding magnetic operators to gas valve body. Refer to Figure 13. NOTE: Refer to wiring diagram when rewiring magnetic operators. © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT M411429...

  • Page 65: Main Coil

    Remove screw holding sensor to side of stove operating the tumbler in drying mode. Use pipe assembly. compound resistant to action of L.P. Gas on all pipe threads. M411429 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...

  • Page 66: Main Coil

    IMPORTANT: Make sure that spudholder and orifices are positioned such that gas will be injected NEWER MODELS - Use a 3 pole terminal block. directly down the center of the burner. © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT M411429...

  • Page 67: Heater Element

    NOTE: Each tumbler is equipped with three from element terminals. elements. Remove each element individually. ELECTRIC HEATER WIRES TO CONTACTOR BUSS HEATER ELEMENTS SCREW TU198-PT Figure 16 M411429 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...

  • Page 68: Stove High Limit Thermostat

    STOVE CONDUIT HIGH LIMIT AIRFLOW CONDUIT STOVE SWITCH THERMOSTAT JUNCTION SCREWS HIGH LIMIT SCREWS THERMOSTAT T025SE1A NEWER MODELS CABINET HIGH LIMIT T024SE1A OLDER MODELS THERMOSTAT Figure 17 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT M411429...

  • Page 69: Cabinet High Limit Thermostat

    NOTE: Refer to wiring diagram when reconnecting d. Remove two screws holding cover to mounting thermostat wires. bracket. SCREWS COVER STOVE HIGH LIMIT THERMOSTAT MOUNTING SCREWS BRACKET TU026-SV Figure 18 M411429 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...

  • Page 70: High Limit Thermostat

    Refer to Figure 20. COVER CLIPS NOTE: Refer to wiring diagram when rewiring thermostat. HIGH LIMIT THERMOSTAT GRILL COVER SCREW THERMOSTAT HOUSING T027SE1A Figure 20 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT M411429...

  • Page 71: Steam Coils

    Remove screws holding steam coils to coil when reinstalling loading door. frame. REGULAR STYLE ALTERNATE STYLE ATTACHING SCREW DOOR ATTACHING SCREW LOADING LOADING DOOR HANDLE SCREW DOOR DOOR TU030-SV TU031-SV Figure 21 M411429 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...

  • Page 72: Loading Door Hinge

    Refer to HINGE Figure 24. ATTACHING SCREWS NOTE: When removing front panel, lower panel slightly to make sure door switch rod clears hole in cabinet. T029SE1A Figure 23 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT M411429...
  • Page 73 Section 5 Service Procedures FRONT PANEL FRONT PANEL ATTACHING ATTACHING SCREWS SCREWS (13) SPEED FRONT PANEL NUTS ATTACHING SCREWS NEWER MODELS OLDER MODELS T032SE3A Figure 24 M411429 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...

  • Page 74: Loading Door Switch

    NOTE: Refer to wiring diagram when rewiring allow switch rod to snap free. Refer to door switch. Figure 26. DOOR SWITCH SCREWS SWITCH T034SE1B SPRING CLIP Figure 25 T034SE1A Figure 26 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT M411429...

  • Page 75: Airflow Switch

    NOTE: After reinstalling airflow switch and mounting bracket into switch box, adjust switch. DRIVE Refer to Adjustments Section. GUARD ATTACHING SCREW SWITCH AIRFLOW SWITCH COVER TU072-SV Figure 27 M411429 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...

  • Page 76: Wire Cover Or Wire Channel Cover Plate

    MOUNTING f. Slip the new belt onto the sheave and the motor SCREWS pulley. Adjust belt tension. SWITCH LEVER NEWER MODELS T037SE1A Figure 28 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT M411429...

  • Page 77: Drive Chain

    Refer to Figure 31. This will provide slack in drive chain for removal from sprockets. M411429 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...

  • Page 78: Idler Sprocket

    RAIL BOLT TU202-PT IMPORTANT: Nonreversing Tumblers — Realign motor pulley directly under sheave by loosening Figure 30 drive motor mounting screws and repositioning motor on mounting bracket. © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT M411429...

  • Page 79: Drive Sprocket

    NOTE: After installing chain on drive and idler and a hardwood dowel. sprockets, adjust chain. f. Reinstall shaft and bearings. M411429 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...

  • Page 80: Cylinder Assembly

    NOTE: After installing cylinder and shaft, adjust CYLINDER cylinder. CHAIN SPROCKET j. Reinstall chain guard on tumbler. SHEAVE DRIVE SPROCKET T201PE1A Figure 31 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT M411429...

  • Page 81: Trunnion Housing Assembly

    IMPORTANT: If a press is not available to install TU192-PT bearings, tap bearings into housing. Figure 33 f. Reinstall chain guard on tumbler. Refer to Figure 27. M411429 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...

  • Page 82: Trunnion Shaft Assembly

    Reinstall chain guard on tumbler. Refer to of cabinet, spread cabinet slightly so cylinder will Figure 27. clear cabinet sides. TRUNNION MEASURE AT ASSEMBLY FOUR POINTS TAPE MEASURE CYLINDER T089SE3C Figure 34 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT M411429...

  • Page 83: Motor And Fan Assembly

    Remove the seven fan housing attaching l. Remove four sets of nuts, washers and bolts screws. Refer to Figure 35. holding mounting bracket to motor. Refer to Figure 35. M411429 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...

  • Page 84: Fan And Motor Assembly

    Remove four sets of nuts, washers and bolts NOTE: A puller may be required to remove pulley holding mounting bracket to motor. Refer to from motor shaft. Figure 35. © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT M411429...
  • Page 85 Remove spacer washer from motor shaft. Refer to Figure 37. MOTOR FAN HOUSING COVER SPACER WASHER PULLEY JAM NUT MOTOR PULLEY LOCKNUT T046SE3A Figure 37 M411429 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...

  • Page 86: Cylinder Drive Motor

    Refer to Figure 38. Newer Models: Loosen locking bolt and back adjusting screw out to loosen belt. Refer to Figure 46. c. Slip drive belt off of the motor pulley. © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT M411429...
  • Page 87 Section 5 Service Procedures MOTOR CYLINDER PULLEY MOTOR SIDE BRACKET BELT GUARD MOUNTING BRACKET SIDE BRACKET TU142-PT Figure 38 M411429 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...

  • Page 88: Reversing Control Electrical Components

    If timer itself is faulty, replace the complete assembly, including timer motor and switches. c. Reversing contactor: (1) Remove two attaching screws and cover from control box. © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT M411429...
  • Page 89 ASSEMBLY MOTOR SOLID STATE REVERSING TIMER TRANSFORMER (3 Phase Only) GROUND SCREW GROUND COIL (240 Volt) SCREW CONTACTOR TMB1747S REVERSING CONTACTOR ASSEMBLY REVERSING CONTROL ASSEMBLY Figure 39 M411429 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...

  • Page 90: Section 6 -Adjustments

    All four legs must rest firmly on the floor so weight of tumbler is evenly distributed. Tumbler must not rock. d. Replace lint panel. Figure 40 M411429 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...

  • Page 91: Main Gas Burner Air Inlet Shutters

    PROPER INSUFFICIENT NO AIRFLOW AIRFLOW AIRFLOW T048SE3A T047SE3A T049SE3A AIR SHUTTER AIR SHUTTER AIR SHUTTER ADJUSTING SCREWS ADJUSTING SCREWS ADJUSTING SCREWS Figure 41 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT M411429...

  • Page 92: Airflow Switch

    1- 1/2 inches (38 mm). Adjust the airflow switch as follows: M411429 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
  • Page 93 AIRFLOW SWITCH MOUNTING BRACKET REAR PANEL OF TUMBLER SWITCH SWITCH LEVER LEVER SPRING CLIP VANE LEVER COUNTER WEIGHT DISC SPRING CLIP COUNTER DISC TU050-SV WEIGHT Figure 42 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT M411429...

  • Page 94: Loading Door Switch

    “a” and “b”. ADJUSTING DOOR SWITCH SCREWS SAFETY SWITCH ACORN DOOR LATCH T048IE1A SWITCH Figure 44 BRACKET INTERLOCK T249IE1A Figure 43 M411429 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...

  • Page 95: Drive Belt Tension

    Position housing assembly by turning adjusting bolt until proper belt tension is reached, then retighten idler housing bolts. d. Replace guard on rear of tumbler. © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT M411429...
  • Page 96 Section 6 Adjustments NONREVERSING BELT DRIVE POLY V-BELT (Self-adjusting) IDLER HOUSING BOLTS ADJUSTING BOLT IDLER HOUSING ASSEMBLY DRIVE V-BELT GUIDE RAILS T234IE3B Figure 45 M411429 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
  • Page 97 Section 6 Adjustments BELT/BELT REVERSING LOCKING BOLT DRIVE BELT ADJUSTING ADJUSTING ADJUSTING BOLT SCREW (Not Shown) CYLINDER BELTS IDLER HOUSING BOLTS IDLER HOUSING ASSEMBLY T322IE3A Figure 46 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT M411429...

  • Page 98: Drive Chain Tension

    The chain must be at the “high point” when making the adjustment. Refer to Figure 47. M411429 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
  • Page 99 DEFLECTION CYLINDER SPROCKET CYLINDER DRIVE CHAIN 1/2 INCH (13 mm) DEFLECTION SHEAVE GUIDE RAIL IDLER HOUSING GUIDE RAILS IDLER HOUSING ATTACHING BOLT AND NUT T201PE3A Figure 47 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT M411429...

  • Page 100: Cylinder Clearance

    Loosen the locknuts on the trunnion housing adjusting bolts. Refer to Figure 49. CYLINDER 7/16 INCH FRONT PANEL (11.113 mm) TOP FLANGE FRONT PANEL T057PE3B Figure 48 M411429 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
  • Page 101 Section 6 Adjustments BELT/CHAIN NONREVERSING LOCKNUTS TRUNNION HOUSING ADJUSTING BOLTS TRUNNION HOUSING BOLTS (2 per side) TU202-PT Figure 49 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT M411429...

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