Service manual

Section 4 Maintenance
4-3
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 “Sanitizing Procedure” for removal
of 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.
CAUTION
Never use anything to force ice from the
evaporator. Damage may result.
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.
Model Amount of Cleaner
QM-45 1.5 ounces (45 ml)
Step 5 The ice machine will automatically time out a
ten-minute cleaning cycle, followed by five rinse
cycles, and then stop. This entire cycle lasts
approximately 22 minutes.
Step 6 When the cleaning process stops, move the
toggle switch to the OFF position. Refer to
“Sanitizing Procedure”.
Step 7 The ice machine may be set to start and finish
a cleaning procedure, and then automatically start ice
making again.
A. Wait about one minute into the cleaning
cycle, then move the toggle switch from
WASH to ON position.
B. When the cleaning cycle is completed, an ice
making sequence will start automatically.
SANITIZING PROCEDURE
Use sanitizer to remove algae or slime. Do not use it
to remove lime scale or other mineral deposits.
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.
CAUTION
Never use anything to force ice from the
evaporator. Damage may result.
Step 2: Remove all ice from the bin.
Step 3 To start a sanitizing cycle, move the toggle
switch to the WASH position.
Step 4 Add the proper amount of Manitowoc Ice
Machine Sanitizer to the water trough.
Model Amount of Sanitizer
QM-45 1.5 ounces (45 ml)
Step 5 The ice machine will automatically time out a
ten-minute sanitizing cycle, followed by five rinse
cycles, and then stop. This entire cycle lasts
approximately 22 minutes.
Note: If the bin requires sanitizing, sanitize it with a
solution of 1 ounce (30 ml) of sanitizer with 4 gallons
(15 L) of water.
Step 6 When the sanitizing process stops, move the
toggle switch to the ON position to start making ice
again.
Step 7
The ice machine may be set to start and finish a
sanitizing procedure, and then automatically start ice
making again.
A. Wait about one minute into the sanitizing
cycle, then move the toggle switch from
WASH to ON position.
B. When the sanitizing cycle is completed, an ice
making sequence will start automatically.