Alliance Laundry Systems 120 User manual

www.comlaundry.com
Troubleshooting
Part No. 70410601
August 2007
Drying Tumblers
120 Pound Capacity
170 Pound Capacity
Refer to Page 5 for Model Numbers
T021C
LOW
AIR FLOW
LOAD
READY
NON
REV
REV
TEMPERATURE
LOW
MEDIUM
HIGH
COOLING DRYING
PUSH
TO
START
10
5
0
15
0
10
20
30
40
50
60
COOLING DRYING
PUSH
TO
START
10
5
0
15
0
10
20
30
40
50
60

© Copyright 2007, Alliance Laundry Systems LLC
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 1
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
Table of
Contents
Section 1 – Safety Information ...............................................................2
Locating An Authorized Service Person ...............................................3
Section 2 – Introduction..........................................................................4
Model Identification ..............................................................................4
Customer Service...................................................................................5
Serial Plate Location..............................................................................5
Safety Warnings and Decals..................................................................6
Safety Precautions for Servicing Tumblers...........................................6
Section 3 – Troubleshooting....................................................................7
1. Motor Does Not Start....................................................................8
2. Motor Overload Protector Cycles Repeatedly ..............................9
3. Motor Runs But Cylinder Does Not Turn...................................10
4. Motor Does Not Stop..................................................................11
5. Gas Burner Does Not Ignite........................................................12
6. Burner Ignites and Goes Out Repeatedly....................................14
7. Burner Shuts OFF Prematurely...................................................15
8. Burner Repeatedly Cycles Off on High Limit Thermostat.........16
9. Steam Valve or Burner Does Not Shut Off.................................17
10. Clothes Do Not Dry ....................................................................18
11. Tumbler Overheating ..................................................................19
12. Burner Not Burning Properly......................................................20
13. Loading Door Opens During Operation......................................21
14. Tumbler Runs But No Steam to Coils – Steam Models .............22
15. Water In Steam Line – Steam Models ........................................23
16. Tumbler Will Not Start, Time On Drying Timer, Door Closed .24
17. Motor Runs But Will Not Heat...................................................26
18. Cylinder Turns, But Will Not Heat.............................................27
Section 4 – Adjustments........................................................................29
19. Drive Belt Tension......................................................................29
20. Cylinder Belt Tension.................................................................30
21. Fan Belt Tension .........................................................................30
22. Cylinder Clearance......................................................................31

270410601
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Section 1
Safety Information
Throughout this manual and on machine decals, you will find precautionary statements (i.e. “CAUTION,”
“WARNING,” and “DANGER”) followed by specific instructions. These precautions are intended for the personal
safety of the operator, user, servicer, and those maintaining the machine.
aDANGER
Danger indicates the presence of a hazard that will cause severe personal injury, death or substantial property
damage if the danger is ignored.
aWARNING
Warning indicates the presence of a hazard that can cause severe personal injury, death or substantial property
damage if the warning is ignored.
aCAUTION
Caution indicates the presence of a hazard that will or can cause minor personal injury or property damage if the
caution is ignored.
Additional precautionary statements (i.e. “IMPORTANT” 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 followed.
NOTE
The word “NOTE” is used to communicate installation, operation, maintenance or servicing information that is
important but not hazard related.
In the interest of safety, some general precautions relating to the operation of this machine follow.
• Failure to install, maintain and/or operate this product according to the manufacturer’s
instructions may result in conditions which can produce serious injury, death and/or property
damage.
• Do not repair or replace any part of the product or attempt any servicing unless specifically
recommended or published in this Service Manual and unless you understand and have the
skills to carry out the servicing.
• 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
WARNING

70410601 3
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
Safety Information
IMPORTANT INFORMATION: During the lifetime of your tumbler, it may require service. The information
contained in this manual was written and is intended for use by qualified service technicians who are familiar
with the safety procedures required in the repair of your tumbler, and who are equipped with the proper tools
and testing equipment.
NOTE: The WARNING and IMPORTANT instructions appearing in this manual are not meant to cover all
possible conditions and situations that may occur. It must be understood that common sense, caution and
carefulness are factors which CANNOT be built into this tumbler. These factors MUST BE supplied by the
person(s) installing, maintaining or operating the tumbler.
Always contact your dealer, distributor, service agent or the manufacturer on any problems or conditions you do not
understand.
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.
To reduce the risk of electric shock, fire, explosion, serious injury or death:
• Disconnect electric power to the tumbler before servicing.
• Never start the tumbler with any guards/panels removed.
• Whenever ground wires are removed during servicing, these ground wires must be
reconnected to ensure that the tumbler is properly grounded.
W240
WARNING
Repairs that are made to your products by unqualified persons can result in hazards due to
improper assembly or adjustments subjecting you or the inexperienced person making such
repairs to the risk of serious injury, electrical shock or death.
W007
WARNING
If you or an unqualified person perform service on your product, you must assume the
responsibility for any personal injury or property damage which may result. The manufacturer
will not be responsible for any injury or property damage arising from improper service and/or
service procedures.
W008
CAUTION
:

470410601
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
Section 2
Introduction
Model Identification
Information in this manual is applicable to these models:
Gas Steam/Thermal Oil
AT120FG
DC120FG
DT120FG
JC120FG
JT120FG
SC120FG
ST120FG
AT170FG
DC170FG
DT170FG
JC170FG
JT170FG
SC170FG
ST170FG
AT120CSH
DC120CSH
DT120CSH
JC120CSH
JT120CSH
SC120AT
SC120CSH
ST120AT
ST120CSH
AT170CSH
DC170CSH
DT170CSH
JC170CSH
JT170CSH
SC170CSH
ST170CSH

70410601 5
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
Introduction
Customer Service
If literature or replacement parts are required, contact
the source from whom the machine was purchased or
contact Alliance Laundry Systems at [phone]
for the name and address of the nearest authorized
parts distributor.
For technical assistance, call [phone].
Serial Plate Location
When calling or writing about your product, be sure to
mention model and serial numbers. Model and serial
numbers are located on serial plate as shown.
TMB1497S
Serial
Plate
Junction
Box
Cover
TMB1499S
Serial
Plate
Junction
Box
Cover
Wiring
Diagram
TMB1497S
170 Pound Models
120 Pound Models

670410601
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
Introduction
Safety Warnings and Decals
SAFETY WARNINGS and decals have been provided
in key locations to remind you of important precautions
for the safe operation and maintenance of your tumbler.
Please take the time to review these warnings before
proceeding with service work.
All decals have been designed and applied to withstand
washing and cleaning. Decals should be checked
periodically to be sure they have not been damaged,
removed, or painted. Refer to the Parts Manual for
ordering replacement decals.
Safety Precautions for Servicing Tumblers
• Disconnect electrical service.
• Shut off supply gas valve before servicing gas
components.
• Access panel MUST be reinstalled after
inspection or servicing of tumbler is completed.
• Use a non-corrosive leak detecting compound to
check all pipe connections for gas leaks. DO NOT
USE AN OPEN FLAME TO CHECK FOR GAS
LEAKS!
• Belt guard MUST be reinstalled after inspection
or servicing of tumbler is completed.
• Contactor box cover MUST be reinstalled after
inspection or servicing of electric and/or reversing
tumbler is completed.
• 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.

70410601 7
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
Section 3
Troubleshooting
IMPORTANT: Refer to wiring diagram for aid in testing tumbler components.
To reduce the risk of electric shock, fire, explosion, serious injury or death:
• Disconnect electric power to the tumbler before servicing.
• Close gas shut-off valve to gas tumbler before servicing.
• Close steam valve to steam tumbler before servicing.
• Never start the tumbler with any guards/panels removed.
• Whenever ground wires are removed during servicing, these ground wires must be
reconnected to ensure that the tumbler is properly grounded.
W002
WARNING

870410601
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
Troubleshooting
1. Motor Does Not Start
Motor Does
Not Start
Is the
electrical power
off or circuit
breaker fuse
blown?
No
Is the
loading door
switch not
closed or switch
inoperative?
Is the
door switch
improperly
adjusted?
No
Check power
supply, or replace
fuses.
Yes
Close door, panel
or test switch and
replace if
inoperative.
Yes
Refer to
Installation
Manual
for door
switch adjustment.
Yes
Is the start
circuit not
complete?
Yes Press start switch
or test switch
and replace if
inoperative.
Is the motor
inoperative?
Yes Have motor tested
and replace if
inoperative.
Refer to wiring
diagram.
Yes
Is the
transformer
inoperative?
Yes Test and replace
if necessary.
Is the
motor relay
inoperative?
Yes Test relay and replace
if inoperative.
Is there
broken, loose,
or incorrect
wiring?
No
No
Are
trunnion
bearings
binding?
Yes Replace
trunnion
bearings.
No
TMB2115S
No
No
No
Are
idler bearings
binding?
Replace
bearings.
No
Yes
Is timer
improperly
set?
Turn drying timer
clockwise to
desired setting.
No
Yes
Is timer
inoperative?
Test timer and
replace if
inoperative.
No
Yes