Hoshizaki DCM-750BWH-OS, DCM-750BAH-OS service manual Maintenance, Frequency Area Task

B. Maintenance

This icemaker must be maintained individually, referring to the instruction manual and labels provided with the icemaker. The schedule below is a guideline. More frequent maintenance, however, may be required depending on water quality, the icemaker's environment, and local sanitation regulations.

Consult with your local distributor about inspection and maintenance service. To obtain the name and phone number of your local distributor, visit www.hoshizaki.com or call Hoshizaki Technical Support at 1‑800‑233-1940 in the USA.

WARNING

1.Only qualified service technicians should attempt to service or maintain this icemaker.

2.Disconnect power before performing maintenance.

		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
	Icemaker 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 like Zud or Bon Ami.
Every 6	Icemaker and	Clean and sanitize per the cleaning and sanitizing instructions provided in
Months	Storage Bin	this manual.
	Evaporator	Wipe down with a clean cloth and warm water. Slowly pour one cup of
	Condensate Drain	sanitizing solution (prepare as outlined in the sanitizing instructions in
	Pan and Gear	this manual) into the evaporator condensate drain pan. Be careful not to
	Motor Drain Pan	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 and Bin	Check to make sure they are clear.
	Drains
Yearly	Inlet Water Valve	Close the water supply line shut‑off valve and drain the water system.
	and Drain Valve	Clean 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.
	Icemaker	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
		the Service Manual for details.
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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