Motor Mount; Rectifier - Cub Cadet CC 500 EL Shop Manual

REPAIR PROCEDURES

Motor mount

To replace the motor mount:
1. Unplug the power cord.
2. Remove the motor by following the steps
described in the previous section of this manual.
3. Remove the three mounting screws using T-40
torx driver. See Figure 3.14.
Mounting screws
Figure 3.14
4. Remove the motor mount from the deck of the
mower.
5. Install the motor mount by following the above
steps in reverse order.
NOTE: tighten the motor mount screws to a
torque of 170-200 in-lbs (19 - 22.5 Nm).
6. Test run the mower before returning to service.

Rectifier

To replace the rectifier:
1. Unplug the power cord.
2. Remove the motor cover by following the steps
described in the motor cover section of this
chapter.
3. Unplug wires from the rectifier.
NOTE: Tag the wires so that they go back on the
proper tabs. Failure to do so will prevent the
mower from working and may cause damage to
the rectifier.
4. Remove the screw in the center of the rectifier
using a phillips screw driver. See Figure 3.15.
AC
Black
wire from
harness
DC-
Black wire from
motor
Remove screw
Green
wire
5. Clean any heat sink grease from the rectifier
bracket.
6. Apply new heat sink grease to the back of the
new rectifier.
NOTE: Heat sink grease can be purchased at
any electronic parts store.
CAUTION: Never use bearing grease or silicone
as a substitute. Heat sink grease is design to pull
the heat away from the rectifier, regular grease
and silicone will trap the heat in the rectifier
causing it to fail.
7. Install the rectifier by following steps 1 - 4 in
reverse order.
8. Test run the mower before returning to service.
18
DC +
Red wires
AC
White
wire
Figure 3.15