To Remove And Repair The Gearmotor Assembly - Scotsman MDT5N40A-1B Manual

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) To lift off 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 check the gears and
bearings. They are likely to be fine
if the oil is.
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 16
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
Electrical Shock
Hazard.
Disconnect electrical
power to the icemaker -
dispenser before
beginning.
GEARCASE
COVER
MDT5N25 & MDT5N40
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.
May 2001
Page 29
FIRST GEAR &
BEARINGS
GASKET
ROTOR
BEARING