Harvest Assist Air Pump - Manitowoc S300 Technician's Handbook

HARVEST ASSIST AIR PUMP

FUNCTION
The air pump breaks the vacuum between the sheet of
ice and the evaporator which results in shorter harvest
cycles.
SPECIFICATIONS
115 Volt or 230 Volt - matches the ice machine
voltage.
CHECK PROCEDURE
1. Verify when the air pump should be running in the
sequence of operation.
2. If the compressor is not running when it should be
check voltage at the control board.
3. If there is no voltage present at the control board,
replace the control board.
4. If there is voltage present at the control board
check for voltage at the air pump connector.
5. If there is no voltage present at the air pump
connector replace wire.
6. If there is voltage at the air pump connector, use a
volt ohm meter to verify there is no continuity
through the motor windings then replace motor.
Part Number 80-1479-3 7/10 151