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Following is a basic guide for the repair and replacement of common dishwasher parts.
Refer to the Basic Service Guide for troubleshooting tips.
A.1 MAINTENANCE
A.1.1 Daily - Refer to the operation and cleaning instructions provided in this manual for daily
cleaning procedures.
A.1.2 Weekly
A.1.2.1 The entire machine should be wiped down using an industrial grade stainless steel
cleaner.
A.1.2.2 Under the supervision of your detergent supplier the machine interior must be properly
de-limed.
A.1.2.2.1 A switch is provided on the control panel to run the machine continuously. For
The water quality in some areas requires de-liming to be done more frequently.
Contact your detergent supplier for recommended de-liming frequency.
A.1.3 Quarterly
A.1.3.1 Remove and clean the strainer screens on water and steam lines. If the screens cannot
be cleaned, replace.
A.1.3.2 Inspect condition of solenoid valve seats and diaphragms. Replace where necessary.
A.1.3.3 Inspect drain O-Rings for leakage. Replace where necessary.
A.1.3.4 Grease drive chain and sprockets.
A.1.3.5 Adjust conveyor chain tension using adjustment bolts located on exit end of machine.
A.2 MAINTENANCE PROCEDURES
A.2.1 Solenoid Valve Disassembly
A.2.1.1 Disconnect power supply to machine. Turn off water supply.
A.2.1.2 Remove cap on top of coil. Remove coil.
A.2.1.3 Remove 4 hex bolts and lift bonnet from valve body. Note positioning of spring
and plunger.
A.2.1.4 Remove main piston.
A.2.1.5 Inspect for dirt, wear or lime build-up. Clean or replace as required.
A.2.1.6 Reassemble in reverse of disassembly.
cm q:\wp51\manual\rack.mnl
rlsd: 4/91, rvsd: 3/93, 4/94
RACK CONVEYOR DISHMACHINES
MAINTENANCE and REPAIR PROCEDURES
Part 3, Section A
De-liming, move the selector switch to the "De-lime" position, then operate the
machine normally. When De-liming is completed, return the selector switch to
"normal".
.
NOTE
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