Hoshizaki dcm-75ibah service manual Maintenance Schedule, Frequency Area Task

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.

WARNING

•Only qualified service technicians should service the appliance.

•Move the control switch and power switch to the "OFF" positions, then turn off the power supply before servicing. Lockout/Tagout to prevent the power supply from being turned back on inadvertently.

		Maintenance Schedule
Frequency	Area	Task
Every 2	Air Filter	Inspect. Wash with warm water and neutral cleaner if dirty.
Weeks
Monthly	External Water	Check for proper pressure and change if necessary.
	Filters
	Appliance Exterior	Wipe down with a clean, soft cloth. Use a damp cloth containing a neutral
		cleaner to wipe off oil or dirt build up. Clean any chlorine staining (rust
		colored spots) using a non-abrasive cleaner.
Every 6	Icemaker and	Clean and sanitize per the cleaning and sanitizing instructions provided in
Months	Storage Bin	the instruction manual or maintenance label on the appliance.
	Evaporator	Wipe down with a clean cloth and warm water. Dilute 0.82 fl. oz. (25 ml) of a
	Condensate Drain	5.25% sodium hypochlorite solution (chlorine bleach) with 1.6 gal. (6.0 l) of
	Pan and Gear	warm water. Slowly pour one cup of sanitizing solution into the evaporator
	Motor Drain Pan	condensate drain pan. Be careful not to overflow the pan. This solution will
		flow down to the gear motor drain pan and out the drain line to sanitize
		these areas. Repeat with a cup of clean water to rinse.
	Icemaker, Storage	Check to make sure they are clear.
	Bin, and Drip Tray
	Drains
Yearly	Inlet Water Valve	Close the water supply line shut‑off valve and drain the water system. Clean
	and Drain Valve	the inlet water valve screen and clean and inspect the drain valve.
	Water Hoses	Inspect the water hoses and clean/replace if necessary.
	Condenser	Inspect. Clean if necessary by using a brush or vacuum cleaner.
	Appliance	Inspect for oil spots, loose components, fasteners, and wires.
	Upper Bearing	Check for wear using .02" round stock or pin gauge. Replace both upper
	(extruding head)	bearing and lower bearing if wear exceeds factory recommendations. See
		"IV.C.1. Upper Bearing Wear Check".
After	Upper Bearing	Inspect. Replace both upper bearing and lower bearing if wear exceeds
3 Years,	(extruding head);	factory recommendations. Replace the mechanical seal if the seal's contact
then Yearly	Lower Bearing	surfaces are worn, cracked, or scratched.
	and O-Ring
	(lower housing);
	Mechanical
	Seal; Evaporator
	Cylinder; Auger

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