Removal And Replacement: Gearmotor - Scotsman FME1504 User Manual

REMOVAL AND REPLACEMENT: Gearmotor

To Check the Motor:
1. Remove wires from terminals 1 and 2.
2. Use an ohmmeter to check for continuity. If there
is none, replace the motor only. If there is
continuity, but the motor will not start, check the
motor's start switch.
3. Remove motor end bell or motor stator. With
ohmmeter wires attached to 1 and 2 move
centrifugal switch actuator up and down to simulate
motor speed. If the ohmmeter does not show any
change or shows and open circuit, replace the
switch or motor.
To Remove and Repair the
Gearmotor Assembly:
(Assuming that the procedures
through removal of the water seal
have been performed.)
1. Remove the electrical wires from
the gear drive motor.
2. Unscrew the 4 cap screws
holding the gearmotor to the
gearmotor plate.
3. Remove the gearmotor from the
icemaker.
To Inspect the gearmotor.
A) Remove the cap screws holding
the gearmotor case halves together
and pry the two cases apart.
B) Remove the cover: lift up until
you can feel internal contact, then
pull the cover towards the output
gear end, and then lift the cover
(with drive motor attached) up and
away from the gear motor case.
Note: The case cover output gear,
bearings, and shaft are one
pressed together assembly.
Replace as a unit.
C) Inspect the oil, gears, and
bearings. If the oil level and
condition is acceptable, quickly
Electrical Shock
Hazard.
Electrical power can
cause personal injury.
Disconnect electrical
power before beginning.
WATER
SHED
COVER
January 2000
NME1254 & FME1504
check the gears and bearings. They are likely to be
fine if the oil appears normal.
If there is evidence of water in the oil (rusty
bearings and gears; the oil having a creamy white
appearance; oil level too high) carefully inspect the
bearings and gears. If in doubt about the condition
of a part, replace it. The oil quantity is 14 fluid
ounces, do not overfill.
Note: The gears and bearings are available only as
pressed together sets.
D) After replacing parts as required, (if any)
reassemble the gearcase. The two smaller gears
and the oil should be in the lower case, the output
gear will be with the cover. As you lower the cover
onto the lower case, cover will have to be moved
closer to the second gear after the output gear has
cleared the second gear top bearing.
E) After the case is together, and the locating pins
are secure in both ends, replace all cap screws.
4. Bench test the gearmotor, check for oil leaks,
noise, and amp draw.
Page 27
MOTOR
BEARING
FIRST GEAR
SECOND GEAR
GASKET
GEAR CASE