Hoshizaki DCM-300BAH(-OS) - Manual (Page 23)

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 qualified 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
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
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.