12 Part Number 040001360 6/14
Section 4
Maintenance
Interior Cleaning and Sanitizing
GENERAL
Clean and sanitize the ice machine every six months for
efficient operation. If the ice machine requires more
frequent cleaning and sanitizing, consult a qualified
service company to test the water quality and
recommend appropriate water treatment.
The ice machine must be taken apart for cleaning and
sanitizing.
CLEANING AND SANITIZING PROCEDURE
Ice machine cleaner is used to remove lime scale and
mineral deposits. Ice machine sanitizer disinfects and
removes algae and slime.
Step 1 Set the toggle switch to the OFF position after
ice falls from the evaporator at the end of a Harvest
cycle. Or, set the switch to the OFF position and allow
the ice to melt off the evaporator.
Step 2 Remove all ice from the bin.
Step 3 To start a cleaning cycle, move the toggle switch
to the WASH position.
Step 4 Add the proper amount of Manitowoc Ice
Machine Cleaner to the water trough.
Step 5 Wait until the clean cycle is complete
(approximately 22 minutes) then place the toggle switch
in the OFF position, disconnect power and water
supplies to the ice machine.
Step 6 Remove parts for cleaning.
A. Remove Two Thumbscrews and Water Pump
Cover (When Used).
B. Remove the Vinyl Hose Connecting the
Water Pump and Water Distribution Tube
C. Remove Water Pump
• Disconnect the water pump power cord
• Loosen the screws securing the pump-
mounting bracket to the bulkhead
• Lift the pump and bracket assembly off the
mounting screws..
Use only Manitowoc approved Ice Machine Cleaner
(part number 94-0546-3) and Sanitizer (part
number 94-0565-3). It is a violation of Federal law
to use these solutions in a manner inconsistent with
their labeling. Read and understand all labels
printed on bottles before use.
Do not mix Ice Machine Cleaner and Sanitizer
solutions together. It is a violation of Federal law to
use these solutions in a manner inconsistent with
their labeling.
Wear rubber gloves and safety goggles (and/or face
shield) when handling Ice Machine Cleaner or
Sanitizer.
Never use anything to force ice from the evaporator.
Damage may result.
Model Amount of Cleaner
QM45 1.5 ounces (45 ml)
Disconnect electric power to the ice machine at the
electric switch box before proceeding.
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