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.........................................................................................
Outputs.............................................................................................
5
Operation.............................................................................................
9
Display Indicators................................................................................. 11
Operating Instructions .......................................................................... 13
Maintenance ........................................................................................ 15
Daily ..................................................................................................... 15
End of Day ....................................................................................... 15
Weekly.................................................................................................. 16
Quarterly............................................................................................... 19
Care of Stainless Steel .......................................................................... 20
© 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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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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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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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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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
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
1. Turn on main power source (circuit breaker) with
right hand.
2. With left hand, push and hold white rocker
3. Push button and turn handle clockwise to open.
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
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
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.
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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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
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
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
ranges. Belt tension measurements should be
taken as close to the center of the belt span as
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
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.
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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