Alliance Laundry Systems 120 Troubleshooting Manual
120/170 pound capacity drying tumlers
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Also See for 120:
- Installation & operation manual (77 pages) ,
- Instruction manual (68 pages) ,
- Instructions manual (65 pages)
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Summary of Contents for Alliance Laundry Systems 120
- Page 1 Drying Tumblers 120 Pound Capacity 170 Pound Capacity Refer to Page 5 for Model Numbers T021C Part No. 70410601 www.comlaundry.com August 2007...
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Page 3: 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. 70410601 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT... -
Page 4: Section 1 - Safety Information
• Whenever ground wires are removed during servicing, these ground wires must be reconnected to ensure that the product is properly grounded and to reduce the risk of fire, electric shock, serious injury or death. W006R2 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70410601... -
Page 5: Locating An Authorized Service Person
Locating An Authorized Service Person Alliance Laundry Systems is not responsible for personal injury or property damage resulting from improper service. Review all service information before beginning repairs. Warranty service must be performed by an authorized technician, using authorized factory parts. If service is required after the warranty expires, Alliance Laundry Systems also recommends contacting an authorized technician and using authorized factory parts. -
Page 6: Section 2 - Introduction
AT170CSH DC120FG DC170FG DC120CSH DC170CSH DT120FG DT170FG DT120CSH DT170CSH JC120FG JC170FG JC120CSH JC170CSH JT120FG JT170FG JT120CSH JT170CSH SC120FG SC170FG SC120AT SC170CSH ST120FG ST170FG SC120CSH ST170CSH ST120AT ST120CSH © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70410601... -
Page 7: Customer Service
Serial Serial Plate Plate Wiring Diagram Junction Junction Cover Cover TMB1497S TMB1497S TMB1499S 120 Pound Models 170 Pound Models 70410601 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT... -
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. © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70410601... -
Page 9: Section 3 - Troubleshooting
• Whenever ground wires are removed during servicing, these ground wires must be reconnected to ensure that the tumbler is properly grounded. W002 IMPORTANT: Refer to wiring diagram for aid in testing tumbler components. 70410601 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT... -
Page 10: Motor Does Not Start
Have motor tested Is the motor and replace if inoperative? Test timer and inoperative. Is timer replace if inoperative? inoperative. TMB2115S © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70410601... -
Page 11: Motor Overload Protector Cycles Repeatedly
Is there lint on and around buildup around the motors. tumbler or poor maintenance? Is there broken, loose Refer to wiring or incorrect diagram. wiring? TMB1904S 70410601 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT... -
Page 12: Motor Runs But Cylinder Does Not Turn
Check cylinder binding? for binding. Is motor Tighten drive drive pulley pulley bushing screws. loose? Is drive belt Replace or broken or adjust drive loose? belt. TMB2116S © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70410601... -
Page 13: Motor Does Not Stop
Refer to wiring Is wiring diagram. incorrect? Test timer and Is timer replace if inoperative? inoperative. Test motor Is motor contactor and contactor replace if inoperative? inoperative. TMB2117S 70410601 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT... -
Page 14: Gas Burner Does Not Ignite
If pressure supply? cannot be obtained, have your local gas company Continued on check main gas pressure. next page TMB2118S-a © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70410601... - Page 15 Is the igniter Test igniter control control and replace if inoperative? inoperative. Check valve coils Are valve coils and replace if inoperative? necessary. TMB2118S-b 70410601 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
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Page 16: Burner Ignites And Goes Out Repeatedly
Test thermostat or cabinet limit and replace if thermostat inoperative. inoperative? Is the Refer to exhaust system Installation Manual improper or for exhaust system inadequate? equirements. TMB2119S © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70410601... -
Page 17: Burner Shuts Off Prematurely
Is burner Refer to flame Installation Manual improperly for burner flame adjusted? adjustment. Is high limit Refer to thermostat Paragraph 8. cycling off? TMB2120S 70410601 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT... -
Page 18: Burner Repeatedly Cycles Off On High Limit Thermostat
3 Phase power: reverse L1 and L2 Is there lint Disassemble incoming power, in external exhaust check for proper exhaust system and rotation. system? clean. TMB2122S © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70410601... -
Page 19: Steam Valve Or Burner Does Not Shut Off
Is wiring Refer to wiring correct? diagram. Is drying timer Replace inoperative? timer. TMB2121S 70410601 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT... -
Page 20: Clothes Do Not Dry
Refer to rotation? Installation Manual . Is the Refer to Installation exhaust system Manual for exhaust improper or system equirements. inadequate? TMB2123S © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70410601... -
Page 21: Tumbler Overheating
Refer to Installation Manual for make-up make-up air inadequate? air requirements. Clean lint compartment. Check damper for lint Is there lint buildup? accumulation. Check ductwork for lint buildup. TMB2124S 70410601 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT... -
Page 22: Burner Not Burning Properly
Is the Disassemble exhaust duct and clean restricted or exhaust system. blocked? TMB2125S © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70410601... -
Page 23: Loading Door Opens During Operation
Is clothes load Remove part of load too large? and restart tumbler. Refer to Is door strike Installation Manual adjusted for strike incorrectly? adjustment. TMB2126S 70410601 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT... -
Page 24: Tumbler Runs But No Steam To Coils - Steam Models
Check for inlet and Is check valve outlet markings on incorrectly check valve and installed? invert if necessary. Is strainer Remove strainer clogged? and clean. TMB2127S © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70410601... -
Page 25: Water In Steam Line - Steam Models
Check trap for size and capacity. If trap is Is trap dirty or sluggish clean functioning thoroughly or replace. improperly? Check return line for high back pressure. TMB1887S 70410601 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT... -
Page 26: Tumbler Will Not Start, Time On Drying Timer, Door Closed
B of actuator harness plug. drying timer? functioning properly? Replace Adjust timer. actuator. Continued on next page Replace door switch. TMB2128S-a © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70410601... - Page 27 Check for broken Replace Check for broken wire or poor push-to-start wire from control connection at switch. relay terminal 1. harness plug. TMB2128S-b 70410601 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT...
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Page 28: Motor Runs But Will Not Heat
Is 120 volts present on Replace IEI black wire from control. IEI control? Is there an open circuit Replace gas valve. on gas valve coil? TMB2129S © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70410601... -
Page 29: Cylinder Turns, But Will Not Heat
120 volts loose wire to thermostat? present at main terminal 6 thermostat. of relay? Continued on next page TMB2130S-a 70410601 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT... - Page 30 Is 120 volts present at input Replace exhaust terminal of exhaust high limit high limit thermostat. Check for broken or thermostat? loose jumper wire to contactor contacts. TMB2130S-b © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70410601...
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Page 31: Section 4 - Adjustments
Tighten all nuts and screws. depressed approximately 1/2 inch (13 mm). Side Bracket Side Bracket Attaching Screw Motor Mounting Bracket Adjusting Nuts Adjusting Tube T237P T237P Figure 1 70409601 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT... -
Page 32: Cylinder Belt Tension
Motor Pulley Jackshaft Assembly Attaching Bolt Screws Mounting Bracket Attaching Screws Pulley T213SE1A Figure 3 Jackshaft Assembly T317P Figure 2 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70409601... -
Page 33: Cylinder Clearance
Turn both screws evenly to adjust top and bottom clearance. Turn one or the other adjusting screw in or out to adjust side clearance. 70409601 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT... - Page 34 T218S Figure 4 Adjusting Screw Locknut Rear Adjusting Screw Rear Bearing Mounting Screw TMB1500S Front Front Adjusting Bearing Assembly Rear Screw Collar Bearing Assembly Collar Figure 5 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70409601...
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