Hoshizaki DCM-300BAH(-OS) Ice Maker User Manual


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23
B. Maintenance
The maintenance schedule below is a guideline. More frequent maintenance may be
required depending on water quality, the icemaker's environment, and local sanitation
regulations.
WARNING
1. Only qualied service technicians should service this icemaker.
2.Movethecontrolswitchandthepowerswitchtothe"OFF"positionand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
Weeks
Air Filter Inspect. Wash with warm water and neutral cleaner if dirty.
Monthly External Water
Filters
Check for proper pressure and change if necessary.
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
Months
Icemaker and
Storage Bin
Clean and sanitize per the cleaning and sanitizing instructions provided in
this manual.
Evaporator
Condensate Drain
Pan and Gear
Motor Drain Pan
Wipe down with a clean cloth and warm water. Slowly pour one cup of
sanitizing solution (prepare as outlined in the sanitizing instructions in
this manual) into the evaporator condensate drain pan. Be careful not to
overow the pan. This solution will ow 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
Bin, and Drip Tray
Drains
Check to make sure they are clear.
Yearly InletWaterValve
andDrainValve
Close the icemaker water supply line shut-off valve and drain the water
system. 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
(extruding head)
Checkforwearusing.02"roundstockorpingauge.Replacebothupper
bearing and lower bearing if wear exceeds factory recommendations. See
the Service Manual for details.
After
3 Years,
then Yearly
Upper Bearing
(extruding head);
Lower Bearing
and O-Ring
(lower housing);
Mechanical
Seal; Evaporator
Cylinder; Auger
Inspect. Replace both upper bearing and lower bearing if wear exceeds
factory recommendations. Replace the mechanical seal if the seal's contact
surfaces are worn, cracked, or scratched.
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