Maintenance - Hoshizaki KM-420MWJ Service Manual

V. Maintenance
The maintenance schedule below is a guideline. More frequent maintenance may be
required depending on water quality, the appliance's environment, and local sanitation
regulations
• Only qualified service technicians should service the appliance.
• To reduce the risk of electric shock, do not touch the control switch or service
switch with damp hands
• Before servicing: Move the control switch to the "OFF" position and turn off the
power supply. Place the disconnect in the "OFF" position.
Lockout/Tagout to prevent the power supply from being turned back on
inadvertently.
• CHOKING HAZARD: Ensure all components, fasteners, and thumbscrews are
securely in place after any maintenance is done to the icemaker. Make sure that
none have fallen into the dispenser unit/ice storage bin.
Frequency Area
Daily Scoop
Bi-Weekly Air Filters
Monthly External Water
Filters
Bin Control Lens
Icemaker Exterior Wipe down with a clean, soft cloth. Use a damp cloth containing a
Underside of
Icemaker and Top
Kits; Bin Door and
Snout
Yearly Icemaker and
Dispenser Unit/Ice
Storage Bin Liner
Water Supply Inlet Close the icemaker water supply line shut-off valve and drain the water
Condenser
Water Hoses
WARNING
Maintenance Schedule
Task
Clean the ice scoop using a neutral cleaner. Rinse thoroughly after
cleaning.
Inspect. Wash with warm water and neutral cleaner if dirty.
Check for proper pressure and change if necessary.
Wipe down the bin control lens, (located on the bottom of the icemaker)
with a neutral cleaner. Rinse thoroughly after cleaning.
neutral cleaner to wipe off oil or dirt build up. Clean any chlorine staining
(rust colored spots) using a non-abrasive cleanser.
Wipe down with a clean cloth and warm water.
Clean and sanitize per the cleaning and sanitizing instructions provided
in the instruction manual or maintenance label on the icemaker.
system. Clean the water supply inlet screen.
Inspect. Clean if necessary by using a brush or vacuum cleaner. More
frequent cleaning may be required depending on location.
Inspect the water hoses and clean/replace if necessary.
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