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

TEMPERATURE

LOW

MEDIUM

HIGH

COOLING DRYING

PUSH

START

COOLING DRYING

PUSH

START

the expressed written consent of the publisher.

70410601 1

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

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

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

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

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 (920) 748-3950

for the name and address of the nearest authorized

parts distributor.

For technical assistance, call (920) 748-3121.

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

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

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

Troubleshooting

1. Motor Does Not Start

Motor Does

Not Start

Is the

electrical power

off or circuit

breaker fuse

blown?

Is the

loading door

switch not

closed or switch

inoperative?

Is the

door switch

improperly

adjusted?

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?

Are

trunnion

bearings

binding?

Yes Replace

trunnion

bearings.

TMB2115S

Are

idler bearings

binding?

Replace

bearings.

Yes

Is timer

improperly

set?

Turn drying timer

clockwise to

desired setting.

Yes

Is timer

inoperative?

Test timer and

replace if

inoperative.

Yes

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