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11
The following is a basic guide for the repair and
replacement of common dishwasher parts. Refer to
the Basic Services Guide for troubleshooting tips.
MAINTENANCE REQUIREMENTS
Daily
1. Refer to the operations and cleaning instructions
provided in this manual for daily cleaning
procedures.
Weekly
1. The entire machine should be wiped down using
an industrial grade stainless steel cleaner.
2. Under the supervision of your detergent supplier
the machine interior must be properly de-limed.
Quarterly
1. Remove and clean the strainer screens on the
water and steam lines. If the screens cannot be
cleaned, replace.
2. Inspect the condition of the solenoid valve seats,
and diaphragms. Replace where necessary.
MAINTENANCE PROCEDURES
Solenoid Valve Disassembly
1. Disconnect the power supply to the machine. Turn
off the water supply.
2. Remove cap on top of the coil. Remove the coil.
3. Remove the 4 hex bolts and lift bonnet from valve
body. Note positioning of spring and plunger.
4. Remove main piston.
5. Inspect for dirt, wear or lime build-up. Clean or
replace as required.
6. Reassemble in reverse of disassembly.
Liner Strainer Disassembly
1. Shut off water or steam supply.
2. Remove large hex nut on bottom of strainer body.
3. Remove strainer screen. Inspect and clean or
replace as necessary.
4.
Reassemble in reverse of disassembly. Water flow
must be same direction as arrow on line strainer
body. Use new gaskets to insure a tight seal.
NOTE:
The water quality in some areas requires
de-liming to be done more frequently.
Contact your detergent supplier for
recommended de-liming frequency.
NOTE:
It is not necessary to remove the pump
housing from the machine to disassemble.
Pump Disassembly
1. Before disassembling pump ensure there are no
obstructions in the pump intake. Remove and
clean the suction strainer (inside tank). See dwg.
SK-2462.
PART 3 MAINTENANCE & REPAIR PROCEDURES
Ensign_40-2_TM2009
2. Remove the pump motor and impeller by removing
the 4 hex bolts attaching them to the pump
housing.
3. Repair or replace the pump parts as required.
4. Reassemble in reverse of disassembly.
