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Section 4 Maintenance
Part Number 000006520 Rev 03 12/19 21
Remedial Cleaning Procedure
REMEDIAL DESCALING/SANITIZING PROCEDURE
Ice machine descaler is used to remove lime scale and
mineral deposits. Ice machine sanitizer disinfects and
removes algae and slime.
Step 1 Remove front door and top cover. This will allow
easiest access for adding cleaning and sanitizing
solutions.
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/dispenser.
Step 4 Place the toggle switch in the CLEAN position.
The water will flow through the water dump valve and
down the drain. Wait until the water trough refills and
water flows over the evaporator, then add the proper
amount of ice machine cleaner.
Step 5 Wait until the clean cycle is complete
(approximately *35 minutes). Then place the toggle
switch in the OFF position and disconnect power to the
ice machine (and dispenser when used).
NOTE: *S3300/ST3000 Only - 80 minutes.
Step 6 Remove parts for cleaning.
Please refer to the proper parts removal for your ice
machine. Continue with step 7 when the parts have
been removed.
Single Evaporator Ice Machines - Page 26
Multiple Evaporator Ice Machines - Page 27
!
Caution
Use only Manitowoc approved Ice Machine Cleaner/
Descaler and Sanitizer for this application
(Manitowoc Cleaner/Descaler part number 94-0546-
3 and Manitowoc 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/Descaler
S300/S320/S420 3 ounces (90 ml)
S450/S500/S600/S850/
S1000/S1200
5 ounces (150 ml)
S1400/S1600/S1800 9 ounces (265 ml)
S3300/ST3000 16 ounces (475 ml)
!
Warning
Disconnect the electric power to the ice machine at
the electric service switch box.
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