Section 3Maintenance
3-2
Operational Checks
Manitowoc ice machines are factory-operated and
adjusted before shipment. Normally, new installations
do not require any adjustment.
To ensure proper operation, always follow the
Operational Checks:
• when starting the ice machine for the first time
• after a prolonged out of service period
• after cleaning and sanitizing
NOTE: Routine adjustments and maintenance
procedures are not covered by the warranty.
WATER LEVEL CHECK
1. Check the water level while the ice machine is in
the freeze mode and the water pump is running.
The correct water level is 1/8”-1/2” (3-12.5 mm)
above the water pump impeller housing.
Water Level Check
2. The float valve is factory-set for the proper water
level. If adjustments are necessary:
A. Loosen the two screws on the float valve
bracket.
B. Raise or lower the float valve assembly as
necessary, then tighten the screws.
C. If further adjustment is required, carefully
bend the float arm to achieve the correct water
level.
ICE THICKNESS CHECK
The ice thickness probe is factory-set to maintain the
ice bridge thickness at 1/8” (3.2 mm).
NOTE: Make sure the water curtain is in place when
performing this check. It prevents water from
splashing out of the water trough.
1. Inspect the bridge connecting the cubes. It should
be about 1/8” (3.2 mm) thick.
2. If adjustment is necessary, turn the ice thickness
probe adjustment screw clockwise to increase
bridge thickness, counterclockwise to decrease
bridge thickness.
NOTE: Turning the adjustment 1/3 of a turn will
change the ice thickness about 1/16” (1.5 mm).
Ice Thickness Check
3. Make sure the ice thickness probe wire and the
bracket do not restrict movement of the probe.
SV1208
ADJUSTING
SCREW
1/8” ICE
THICKNESS
WATER LEVEL
1/8”-1/2” ABOVE
HOUSING
SV1331
WATER PUMP
IMPELLER
HOUSING
WATER
PUMP
PUMP
OUTLET
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