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Section 4 Maintenance
Part Number 80-1633-3 4-3
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. An extremely
dirty ice machine must be taken apart for cleaning and
sanitizing.
CLEANING PROCEDURE
Ice machine cleaner is used to remove lime scale or
other mineral deposits. It is not used to remove algae or
slime. Refer to the section on Sanitizing for removal of
algae and slime.
Step 1 SRemove top cover. This will allow easiest
access for pouring cleaner.
Step 2 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 3 Remove all ice from the bin.
Step 4 To start cleaning, place the toggle switch in the
CLEAN position. The water will flow through the water
dump valve and down the drain. The Clean light will turn
on to indicate the ice machine is in the Cleaning mode.
Step 5 Wait about two minutes or until water starts to
flow over the evaporator.
Step 6 Add the proper amount of Manitowoc Ice
Machine Cleaner to the water trough by pouring
between the water curtain and evaporator.
Step 7 The ice machine will automatically time out a
ten minute cleaning cycle, followed by six rinse cycles,
and stop. The Clean light will turn off to indicate the
Cleaning cycle is completed. This entire cycle lasts
approximately 30 minutes.
Step 8 When the cleaning process stops, move the
toggle switch to OFF position. Refer to “Sanitizing
Procedure” on the next page.
Step 9
A. The ice machine may be set to start and finish a
self-cleaning procedure then automatically start
ice making again.
B. You must wait about one minute into the
cleaning cycle (until water starts to flow over the
evaporator) then move the switch from CLEAN
to ICE position.
C. When the self-cleaning cycle is completed, an
ice making sequence will start automatically.
!
Caution
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.
!
Caution
Do not mix Cleaner and Sanitizer solutions together.
It is a violation of Federal law to use these solutions
in a manner inconsistent with their labeling.
!
Warning
Wear rubber gloves and safety goggles (and/or face
shield) when handling ice machine Cleaner or
Sanitizer.
!
Caution
Never use anything to force ice from the evaporator.
Damage may result.
Model Amount of Cleaner
S1800M 9 ounces (266 ml)
Important
After the toggle switch is moved to the ICE position,
opening the curtain switch will interrupt the cleaning
sequence. The sequence will resume from the point
of interruption when the curtain switch closes.