ELECTRICAL
8-32 Toro GrandStand Service Manual
8
Electric PTO Clutch Burnishing Procedure
36. Add fuel to the fuel tank.
37. If a new electric PTO clutch was installed, the clutch
must be burnished. Refer to “Electric PTO Clutch
Burnishing Procedure” following.
35. Install the LH and RH belt covers onto the mower
deck (Fig. 1527).
Note: This procedure needs to be done only when
installing a new clutch.
The clutch should be burnished as part of the predelivery
service, or whenever a new clutch is installed. Burnish-
ing ensures full contact between the armature and rotor
friction surfaces, for smooth clutch engagement and
maximum power transfer.
With deck drive belt installed, run the engine at half
throttle. Engage and disengage the mower 5 times (10
seconds on/10 seconds off).
Increase engine RPM to 3/4 to full throttle. Engage and
disengage mower 5 times (10 seconds on/10 seconds
off).
Using a feeler gauge, check the clutch air gap at each of
the 3 adjustment slots. The gap should be set to 0.015”
(0.381mm). Make sure the gauge is inserted between
the armature and the rotor friction surfaces. Adjust the
clutch as necessary (Fig. 1528).
Fig. 1527 IMG-9548a
Fig. 1528 PICT-0554a
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