Alliance Laundry Systems Washer B Series User Manual

Washer-Extractors  
Cabinet Hardmount  
B-Series Microcomputer for OPL Models  
2 Speed and Variable-Speed  
Refer to Page 5 for Model Identification  
NOTA: El manual en  
españolaparecedespués  
del manual en inglés.  
CHM166C  
Keep These Instructions for Future Reference.  
(If this machine changes ownership, this manual must accompany machine.)  
Part No. F232219R1  
November 2005  
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Safety Information..............................................................................  
3
Table of  
Contents  
Introduction.........................................................................................  
5
Operation.............................................................................................  
9
Maintenance ........................................................................................ 15  
© Copyright 2005, 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.  
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Notes  
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F232219  
2
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Safety Information  
Explanation of Safety Messages  
Important Safety Instructions  
Precautionary statements (“DANGER,” “WARNING”  
and “CAUTION”), followed by specific instructions,  
are found in this manual and on machine decals. These  
precautions are intended for the personal safety of the  
operator, user, servicer and those maintaining the  
machine.  
WARNING  
To reduce the risk of fire, electric shock,  
serious injury or death to persons when  
using your washer, follow these basic  
precautions:  
W023  
DANGER  
1. Read all instructions before using the washer.  
DANGER indicates the presence of a  
hazard that will cause severe personal  
injury, death, or substantial property  
damage if the danger is ignored.  
2. Refer to the GROUNDING INSTRUCTIONS in  
the INSTALLATION manual for the proper  
grounding of the washer.  
3. Do not wash textiles that have been previously  
cleaned in, washed in, soaked in, or spotted with  
gasoline, kerosene, waxes, cooking oils, dry-  
cleaning solvents, or other flammable or  
explosive substances as they give off vapors that  
could ignite or explode.  
WARNING  
WARNING indicates the presence of a  
hazard that can cause severe personal  
injury, death, or substantial property  
damage if the warning is ignored.  
4. Do not add gasoline, dry-cleaning solvents, or  
other flammable or explosive substances to the  
wash water. These substances give off vapors that  
could ignite or explode.  
5. Under certain conditions, hydrogen gas may be  
produced in a hot water system that has not been  
used for two weeks or more. HYDROGEN GAS  
IS EXPLOSIVE. If the hot water system has not  
been used for such a period, before using a  
washing machine or combination washer-dryer,  
turn on all hot water faucets and let the water  
flow from each for several minutes. This will  
release any accumulated hydrogen gas. The gas is  
flammable; do not smoke or use an open flame  
during this time.  
CAUTION  
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 (“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.  
6. Do not allow children to play on or in the washer.  
Close supervision of children is necessary when  
the washer is used near children. This is a safety  
rule for all appliances.  
NOTE: The word “NOTE” is used to communicate  
installation, operation, maintenance or servicing  
information that is important but not hazard  
related.  
7. Before the washer is removed from service or  
discarded, remove the door to the washing  
compartment.  
8. Do not reach into the washer if the wash drum is  
moving.  
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3
     
Safety Information  
9. Do not install or store the washer where it will be  
exposed to water and/or weather.  
19. Replace worn power cords and/or loose plugs.  
20. Be sure water connections have a shut-off valve  
and that fill hose connections are tight. CLOSE  
the shut-off valves at the end of each wash day.  
10. Do not tamper with the controls.  
11. Do not repair or replace any part of the washer, or  
attempt any servicing unless specifically  
recommended in the user-maintenance  
instructions or in published user-repair  
instructions that the user understands and has the  
skills to carry out.  
21. Loading door MUST BE CLOSED any time the  
washer is to fill, tumble or spin. DO NOT  
bypass the loading door switch by permitting the  
washer to operate with the loading door open.  
22. Always read and follow manufacturer’s  
instructions on packages of laundry and cleaning  
aids. Heed all warnings or precautions. To reduce  
the risk of poisoning or chemical burns, keep  
them out of the reach of children at all times  
(preferably in a locked cabinet).  
12. To reduce the risk of an electric shock or fire, DO  
NOT use an extension cord or an adapter to  
connect the washer to the electrical power source.  
13. Use washer only for its intended purpose,  
washing textiles.  
23. Always follow the fabric care instructions  
supplied by the textile manufacturer.  
14. ALWAYS disconnect the washer from electrical  
supply before attempting any service. Disconnect  
the power cord by grasping the plug, not the cord.  
24. Never operate the washer with any guards  
and/or panels removed.  
15. Install the washer according to the  
INSTALLATION INSTRUCTIONS. All  
connections for water, drain, electrical power and  
grounding must comply with local codes and be  
made by licensed personnel when required.  
25. DO NOT operate the washer with missing or  
broken parts.  
26. DO NOT bypass any safety devices.  
27. Failure to install, maintain, and/or operate this  
washer according to the manufacturer’s  
16. To reduce the risk of fire, textiles which have  
traces of any flammable substances such as  
vegetable oil, cooking oil, machine oil,  
instructions may result in conditions which can  
produce bodily injury and/or property damage.  
flammable chemicals, thinner, etc. or anything  
containing wax or chemicals such as in mops and  
cleaning cloths, must not be put into the washer.  
These flammable substances may cause the  
fabric to catch on fire by itself.  
NOTE: The WARNINGS and IMPORTANT  
SAFETY INSTRUCTIONS appearing in this  
manual are not meant to cover all possible  
conditions and situations that may occur. Common  
sense, caution and care must be exercised when  
installing, maintaining, or operating the washer.  
17. Do not use fabric softeners or products to  
eliminate static unless recommended by the  
manufacturer of the fabric softener or product.  
Any problems or conditions not understood should be  
reported to the dealer, distributor, service agent or the  
manufacturer.  
18. Keep washer in good condition. Bumping or  
dropping the washer can damage safety features.  
If this occurs, have washer checked by a qualified  
service person.  
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4
Introduction  
Model Identification  
Information in this manual is applicable to these models:  
HC20BN2  
HC30BN2  
HC40BN2  
HC50BN2  
HC60BN2  
HC60BNF  
HC80BNV  
SC20BN2  
SC30BN2  
SC40BN2  
SC50BN2  
SC60BN2  
SC60BNF  
SC80BNV  
UC20BN2  
UC30BN2  
UC40BN2  
UC50BN2  
UC60BN2  
UC60BNF  
UC80BNV  
Introduction  
Electronic Control Unit  
The “B” electronic control is composed of the  
This portion of the control contains the “intelligence” –  
the micro-controller and the miscellaneous components  
on the printed circuit (PC) board. The board has a  
metal cover, which MUST be in place at all times  
during machine operation. Operation of the machine  
without this cover installed will void the warranty.  
electronic control unit and the control fuse board with  
wiring harness. Only an authorized person should look  
inside the machine. First TURN OFF POWER, open  
lid and remove any cover present. Make sure door lock  
circuit has fully discharged. The door unlock capacitor  
can retain high electrical charge, even when the  
machine’s electrical inputs are disconnected, until it  
has discharged. Some machines are equipped with an  
“amber” indicator light facing upward in the control  
compartment. If this is on, wait until it goes off  
(indicating when high voltage in the door lock circuit  
has discharged).  
The control unit monitors and responds to input, gives  
information about the status of the washer and  
monitors and responds to inputs from the user  
interface (keypad). The control provides signals to the  
control output unit, which in turn operates the  
components that control the machine functions. This is  
located behind the machine control panel.  
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Introduction  
Control Output Fuse Board  
This portion of the control contains the power supply  
for the control unit, and also the switching devices  
which power the components in the machine, all of  
which are on the output PC board. The switching  
devices are controlled by the control unit, and are solid  
state.  
Harnessing  
Wiring harnesses are modular – harnesses common to  
various configurations are similar, while those specific  
to a certain configuration can be added. There are  
harnesses for inputs to the control unit, for outputs  
from the control power/output unit to the machine  
components, and for the main incoming power to the  
control power/output unit.  
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6
   
Introduction  
Nameplate Location  
Summary of Control Outputs and  
Inputs  
The nameplate is located at the rear of the machine and  
inside door. Always provide the machine’s serial  
number and model number when ordering parts or  
when seeking technical assistance.  
Outputs  
General outputs provide signals to operate the  
following components.  
1. Hot Fill Valve  
1
2. Cold Fill Valve  
3. Drain Valve (normally open)  
4. Door Lock Solenoid Coil  
5. Door Unlock Solenoid Coil  
6. Supply 1 (detergent)  
7. Supply 2 (bleach)  
8. Supply 3 (sour/softener)  
9. Supply 4  
10. Supply 5 or Optional 3rd (auxiliary) Fill Inlet  
(governed by the configuration settings)  
11. Optional Heat  
For standard models, the components for outputs  
shown as “optional” will not be populated on the  
output printed circuit board.  
CHM2060N  
AC outputs are solid state outputs that operate either  
120 Volt AC or 220 Volt AC (nominal voltage)  
components, depending on the control voltage  
configuration. Outputs are fused appropriately.  
1
Nameplate  
Figure 1  
Inputs  
Replacement Parts  
1. Low Water Level  
2. Medium Water Level  
3. High Water Level  
4. Door  
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.  
5. Temperature Signal (only for machines with heat  
option)  
Customer Service  
For technical assistance, call: (920) 748-3121 Ripon,  
Wisconsin.  
Control Voltage  
The control power supply can be configured to operate  
on 110 Volt AC nominal RMS input voltage  
50/60 Hertz, OR 220 Volt AC nominal RMS input  
voltage 50/60 Hertz.  
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7
             
Introduction  
Model Number Familiarization Guide  
Sample Model Number: *C60BN2OU60001  
Model Number Prefix  
Washer-Extractor Capacity (pounds dry weight of laundry)  
*C  
60  
B
Type of Electrical Control (B = B - Control)  
Actuation (N = Non-Coin)  
N
Washer-Extractor Speed Capability (2 = 2 speed)  
Electrical Characteristics  
2
O
Design Series  
U6  
0001  
Option Identification (varies from machine to machine)  
* Denotes Brand  
*C60BN2OU60001  
00000000000  
208 – 240  
7
3
60  
3
3
60  
N/A  
18  
470  
0
N/A  
500000  
EXAMPLE OF NAMEPLATE  
CHM487R  
Figure 2  
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Operation  
Control Panel  
16 17 18 19  
1
16 17 18 19  
1
2
2
5
5
6
7
8
15  
14  
15  
NORMAL  
PERM PRESS  
95C  
60C  
40C  
95C  
60C  
6
7
8
WASH  
HOT  
HOT  
14  
ADD  
BLEACH  
LIGHT SOIL  
VISA TM  
13  
12  
11  
10  
13  
12  
11  
10  
RINSE  
SPIN  
HOT  
WARM  
HEAVY SOIL  
UNIFORMS  
40C  
30C  
START  
DOOR  
HOT  
HOT  
CLEAN  
FILTER  
DELICATE  
STAINED  
HOT  
COLD  
9
3
4
9
3
4
DOMESTIC MODELS  
INTERNATIONAL MODELS  
CHM522N  
CHM1764C  
1
2
3
4
5
6
7
8
9
Cycle 1  
Cycle 2  
Cycle 3  
Cycle 4/Up Edit  
Cycle 5  
11  
12  
13  
14  
15  
16  
Door Open LED  
Spin Cycle LED  
Rinse Cycle LED  
Add Bleach LED  
Wash Cycle LED  
Cycle 6  
Out-of-Balance Indicator Dot  
(Variable-speed only)  
High Water Level Indicator Dot  
Medium Water Level Indicator Dot  
Low Water Level Indicator Dot  
Cycle 7 / Set Up (*) Keypad †  
Cycle 8/Down Edit  
START Keypad  
CLEAN FILTER Indicator LED  
17  
18  
19  
10  
(Active for all C80, and C60 X Voltage ONLY  
models)  
Figure 3  
Set Up(*) keypad is used in cycle programming in program mode. Refer to Programming Manual.  
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Operation  
Summary of Major Features  
LED for Machine Functions  
LED lights inform operator which machine function is active. DOOR LED lights to  
inform operator that the door can be opened or should be closed. The circle LED  
indicates that the filter needs cleaning.  
Water Levels  
Three (3) – Contacts from pressure switch (test cycle)  
Main LED display  
4 digit LED display counts down cycle time. Lights in LED display indicate out-of-balance  
conditions and, in test cycle, water level. Display shows “01” as the final spin time.  
Cycle selection keypads  
START keypad  
Eight (8) cycle select keypads with LED indicator to show selected cycle. LED lights  
will flash to prompt user to press a keypad.  
Press to start a cycle after cycle selection is made. LED light will flash to prompt user to  
press keypad.  
Test Cycle with “Advance”  
For troubleshooting. Advance rapidly through test cycle by pressing the UP keypad.  
Refer to PROGRAMMING manual.  
Fill Temperatures  
Supplies  
Cold, Hot, Warm  
Five (5) or Four (4) with extra fill value option.  
Normal or Gentle  
Agitation Types  
Drain Options  
Cycle Count  
Normally open gravity drain  
0 to 9999 cannot be reset – Rolls over after 9999  
Rapid Advance Mode  
Rapid Advance can be enabled or disabled. Enabled allows user to advance through a  
cycle. Refer to the Programming Manual.  
Table 1  
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Operation  
Display Indicators  
Table 2 lists the various displays and what they  
mean. The operator should become familiar with  
these machine displays.  
Display  
Meaning  
Diagnostic test cycle selected or enabled  
Spin (extract) step  
tESt  
SPIn  
SUP1  
SUP2  
SUP3  
SUP4  
SUP5  
SdLY  
CFIL  
HFIL  
bFIL  
bLCH  
PASS  
FAIL  
bAL?  
CY__  
norn  
gEnt  
SPn1  
SPn2  
For  
Supply signal 1 (“S1” output), normally detergent  
Supply signal 2 (“S2” output), normally bleach  
Supply signal 3 (“S3” output), normally softener  
Supply signal 4  
Supply signal 5  
Spin coast (motor coasts after high speed extract)  
Cold Fill  
Hot Fill  
Warm Fill (cold + hot)  
Control will also light “add bleach” indicator  
Variable-speed ONLY – balance “PASS” condition; shows in “test” cycle only  
Variable-speed ONLY – balance “FAIL” condition; shows in “test” cycle only  
Variable-speed ONLY – meaning: “Do you wish to enter balance detection test routine?”  
Cycle number (followed by a space and number 1 through highest cycle number)  
Normal agitation selected  
Gentle (reduced) agitation selected  
Variable-speed ONLY – low spin speed (the lower of 2 spin speeds)  
Variable-speed ONLY – high spin speed (the higher of 2 spin speeds)  
Wash speed forward (during test cycle)  
Wash speed reverse (during test cycle)  
rEv  
Variable-speed ONLY – distribution speed (during test cycle)  
Low water level  
dISt  
LO  
Medium water level  
nEd  
High water level  
HI  
Display all temperatures in degrees Celsius  
CEL  
FAr  
Display all temperatures in degrees Fahrenheit  
The first 3 digits are reserved for temperature reading, C indicates “degrees Celsius”  
___C  
Table 2 (Continued)  
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Operation  
Table 2 (Continued)  
Meaning  
Display  
The first 3 digits are reserved for temperature reading, F indicates “degrees Fahrenheit”  
___F  
FILL  
“Fill error” – machine did not fill to programmed water level within 10 minutes; also  
displays during Rapid Advance Mode.  
“Door” opened during cycle  
Machine user must “shut door” of the washer to allow the cycle to begin  
Control cannot unlock the door  
“Wash 1” segment  
door  
SHUt/door  
CAnt/OPEn  
USH1  
USH2  
USH3  
USH4  
rIn1  
“Wash 2” segment  
“Wash 3” segment  
“Wash 4” segment  
“Rinse 1” segment  
“Rinse 2” segment  
rIn2  
“Rinse 3” segment  
rIn3  
“Rinse 4” segment (final rinse)  
Cycle has concluded  
rIn4  
donE  
Drain selected for segment; also indicates in drain step during 2 speed version test cycle or  
during Rapid Advance Mode.  
drAI  
Flashes for a period of time (for safety) after power up while keeping outputs OFF  
Machine set up for Rapid Advance  
----  
Adv  
noAd  
Erdn  
Erfl  
Machine is not set up for Radid Advance  
Drain count error (depending on model)  
Fill error count (depending on model)  
The number of times power has been interrupted during a cycle (will display in certain  
models)  
E Pr  
CyC  
Cycle counter  
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Operation  
5. Close door and turn handle counterclockwise  
Operating Instructions  
until button pops out. Refer to Figure 6.  
1. Turn on main power source (circuit breaker) with  
right hand.  
2. With left hand, push and hold white rocker  
button. Refer to Figure 4.  
3. Push button and turn handle clockwise to open.  
Refer to Figure 4.  
U005I  
Figure 6  
6. The default wash cycle will display.  
NOTE: Perm Press Hot is the default cycle if none  
is selected.  
CHM2027N  
Figure 4  
NORMAL  
PERM PRESS  
4. Load to capacity whenever possible. DO NOT  
WASH  
HOT  
HOT  
OVERLOAD. Refer to Figure 5.  
ADD  
BLEACH  
LIGHT SOIL  
VISA TM  
RINSE  
SPIN  
NOTE: Underloading can cause out-of-balance  
conditions that can shorten machine life.  
HOT  
WARM  
HEAVY SOIL  
UNIFORMS  
START  
DOOR  
HOT  
HOT  
CLEAN  
FILTER  
DELICATE  
STAINED  
HOT  
COLD  
DOMESTIC MODELS  
CHM522N  
95C  
95C  
60C  
60C  
40C  
U003I  
40C  
30C  
Figure 5  
INTERNATIONAL MODELS  
CHM1764C  
CHM1764C  
Figure 7  
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Operation  
7. If desired, select a different cycle at this point.  
The LED indicator for that cycle will light.  
9. When applicable, add bleach to compartment 2  
when the ADD BLEACH LED is lit.  
8. Add liquid and/or powder supplies to supply  
10. Press the desired wash cycle keypad if none is  
selected.  
dispenser. Refer to Figure 8.  
a. Add detergent to compartment 1.  
b. Add softener to compartment 3.  
11. Press the START keypad.  
12. During first fill, the desired wash cycle can be  
changed. After first fill has ended, the wash cycle  
active at that moment remains the chosen wash  
cycle.  
3
13. When cycle is complete, display shows “donE”.  
1
2
CHM486R  
1
2
3
Detergent  
Bleach  
Softener  
Figure 8  
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Maintenance  
4. Check door interlock before starting operation:  
WARNING  
a. Attempt to start the machine with the door  
open. The machine should not start with the  
door open.  
Sharp edges can cause personal injury.  
Wear safety glasses and gloves, use  
proper tools and provide lighting when  
handling sheet metal parts.  
b. Close the door without locking it and attempt  
to start the machine. The machine should not  
start with the door unlocked.  
W366R1  
c. Close and lock the door, and start a cycle.  
Attempt to open the door while the cycle is in  
progress. The door should not open.  
IMPORTANT: Replace all panels that are removed  
to perform service and maintenance procedures.  
Do not operate the machine with missing guards or  
with broken or missing parts. Do not bypass any  
safety devices.  
If the door lock and interlock are not functioning  
properly, call a service technician.  
End of Day  
Daily  
1. Clean the door gasket of residual detergent and  
all foreign matter.  
IMPORTANT: Door lock should be checked daily  
to ensure proper operation. Also check that all  
safety and instruction stickers are on the machine.  
Any missing or illegible safety instructions stickers  
should be replaced immediately.  
2. Clean automatic supply dispenser lid and general  
area. Flush dispenser with clean water.  
3. Clean the machine’s top, front and side panels  
with mild detergent. Rinse with clean water.  
Beginning of Day  
4. Leave loading door open at the end of each day to  
allow moisture to evaporate.  
1. Inspect water inlet valve hose connections on the  
back of the machine for leaks.  
NOTE: Unload the machine promptly after each  
completed cycle to prevent moisture buildup. Leave  
loading door open after each completed cycle to  
allow moisture to evaporate.  
2. Inspect steam hose connections for leaks (where  
applicable).  
3. Verify that insulation is intact on all external  
wires and that all connections are secure. If  
exposed wire is evident, call a service technician.  
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15  
       
Maintenance  
Weekly  
Monthly  
1. For variable-speed models only, clean the AC  
drive box filter(s) weekly or more frequently as  
needed:  
NOTE: Disconnect power to the machine at its  
source before performing the monthly maintenance  
procedures.  
NOTE: If fan filter service indicator light is on, fan  
filter must be cleaned immediately to prevent  
possible damage. Thermostat automatically resets  
after drive compartment cools down. LED will then  
extinguish after cycle run.  
1. Use the following procedures to determine if  
V-belt(s) require replacement or adjustment. Call  
a qualified service technician in either case.  
a. Check V-belt(s) for uneven wear and frayed  
edges.  
IMPORTANT: If filter indicator is ignored,  
repeated resets might shorten life of drive. Clean  
filter regularly to avoid indicator prompt.  
b. Verify pulley alignment by placing a  
straightedge across both pulley faces. The  
straightedge should make contact with the  
pulleys in four places. Refer to Figure 9.  
a. Open the top cover.  
b. Grasp the filter handle and pull straight up to  
remove filter.  
1
c. Wash the filter with warm water and allow  
filter to air-dry. As an alternative, the filter  
may be vacuumed clean.  
4
IMPORTANT: The control module cover and fan  
filter must be in place for the fan to properly cool  
the AC inverter drive. Failure to observe this  
warning will void the warranty and could lead to  
expensive AC inverter drive repair.  
2
3
2. Check the machine for leaks.  
H040I  
1
2
3
4
Motor  
a. Start an unloaded cycle to fill the machine.  
b. Verify that door and door gasket do not leak.  
Motor Pulley  
Straightedge  
Basket Pulley  
c. Verify that the drain valve is operating and  
that the drain system is free from obstruction.  
If water does not leak out during the first wash  
segment, the drain valve is closed and  
functioning properly.  
Figure 9  
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Maintenance  
c. For flat-pulley drive systems, verify allowable  
distance of belt from edge of pulley. Refer to  
Table 3 below.  
Flat-Pulley Alignment  
Allowable  
Model  
1
Distance from Edge  
20  
25  
3/32 in. (2 mm)  
3/32 in. (2 mm)  
3/32 in. (2 mm)  
3/32 in. (2 mm)  
3/8 in. (10 mm)  
2
30  
40  
H039I  
50 – 60  
1
2
Deflection  
Span Length  
Table 3  
d. For variable-speed models only, verify that  
V-belts are properly tensioned by applying a  
set force to the belts and measuring the  
deflection to determine the belt tension. Refer  
to Table 4 for the acceptable belt’s tension  
ranges. Belt tension measurements should be  
taken as close to the center of the belt span as  
possible. Refer to Figure 10.  
Figure 10  
Belt Tension Testing for Variable-Speed Models  
Force  
Min – Max  
Model  
Belt  
Belt Span  
Deflection Range  
35, 40  
50, 60  
80  
Motor-Basket  
Motor-Basket  
16.9 in. (428 mm)  
16.8 in. (426 mm)  
22.1 in. (561 mm)  
5/16 – 11/32 in. (7.9 – 8.7 mm)  
9/32 – 5/16 in. (7.1 – 7.9 mm)  
15/32 – 1/2 in. (11.9 – 12.7 mm)  
6.1 – 7.4 lbs. (27 – 33 N)  
6.1 – 7.4 lbs. (27 – 33 N)  
4.9 – 7.3 lbs. (21.8 – 31.5 N)  
Motor-Basket  
Single Belt  
80  
Motor-Basket  
Banded Belt  
22.1 in. (561 mm)  
7/32 – 1/4 in. (5.08 – 6.35 mm)  
23 – 26 lbs. (102.3 – 115.6 N)  
Table 4  
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Maintenance  
1
2
H047I  
1
2
Bearing Grease Fitting  
Seal Grease Fitting  
Figure 11  
2. For 80 pound capacity models only, lubricate  
bearings and seals each month OR after every  
200 hours of operation. Refer to Figure 11.  
b. Pump the grease gun slowly, permitting only  
the following number of strokes:  
Bearing grease fitting, 2 strokes  
Seal grease fitting, 1 stroke  
a. Use a premium-grade lithium-based #2  
grease. Never mix two types of grease, such  
as petroleum and silicone.  
Do not pump the grease gun until grease  
comes out of the bearing housing. This can  
result in overlubrication, causing damage to  
bearings and seals.  
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Maintenance  
4. Check all painted surfaces for exposed metal.  
3. Remove back panel and check overflow hose and  
drain hose for leaks.  
(Matching paint is available from the  
manufacturer.)  
4. Unlock the hinged lid and check the supply  
dispenser hoses and hose connections.  
If bare metal is showing, paint with primer or  
solvent-based paint.  
5. Clean inlet hose filter screens:  
If rust appears, remove it with sandpaper or by  
a. Turn water off and allow valve to cool, if  
necessary.  
chemical means.  
Then paint with primer or solvent-based paint.  
b. Unscrew inlet hose and remove filter screen.  
5. Clean customer-supplied steam filter, where  
c. Clean with soapy water and reinstall. Replace  
if worn or damaged.  
applicable. Refer to Figure 12.  
a. Turn off steam supply and allow time for the  
valve to cool.  
6. Tighten motor mounting bolt locknuts and  
bearing bolt locknuts, if necessary.  
b. Unscrew cap.  
7. Use compressed air to clean lint from motor.  
c. Remove element and clean.  
d. Replace element and cap.  
8. Clean interior of machine, both basket and shell,  
by wiping with a water-soaked sponge or cloth.  
9. Use compressed air to ensure that all electrical  
components are free of moisture and dust.  
10. For variable-speed models only, clean AC drive  
cooling fan blades monthly (more often if  
required by the condition of the air).  
a. Open the top cover and remove the control  
module cover.  
1
b. Gently wipe the fan blades clean with a dry  
cloth.  
2
Quarterly  
NOTE: Disconnect power to the machine before  
performing the quarterly maintenance procedures.  
1. Tighten door hinges and fasteners, if necessary.  
2. Tighten anchor bolts, if necessary.  
I  
H042I  
3. Verify that the drain motor shield is in place and  
secure, if so equipped.  
1
2
Cap  
Filter Element  
Figure 12  
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Maintenance  
Care of Stainless Steel  
Remove dirt and grease with detergent and water.  
Thoroughly rinse and dry after washing.  
When an external chemical supply is used, ensure  
no siphoning of chemicals occurs when the  
washer-extractor is not in use. Highly  
concentrated chemicals can cause severe damage  
to stainless steel and other components with the  
machine. Damage of this kind is not covered by  
the manufacturer’s warranty. Locate the pump  
below the washer-extractor’s injection point to  
prevent siphoning of chemicals into the machine.  
Avoid contact with dissimilar metals to prevent  
galvanic corrosion when salty or acidic solutions  
are present.  
Do not allow salty or acidic solutions to  
evaporate and dry on stainless steel. Wipe clean  
of any residues.  
Do not leave sanitizers or sterilizing solutions on  
stainless steel equipment for prolonged periods  
of time.  
If the stainless steel appears to be rusting, the  
source of the rust may actually be a foreign piece  
of iron or steel part not made of stainless steel,  
such as a nail or screw contacting the stainless  
steel surface. Tip: Paint all carbon steel parts with  
a heavy protective coating. Stainless steel  
fasteners should be used whenever possible.  
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