Adjusting The Caster-Pivot Bearing; Adjusting The Electric Clutch - Toro 74142TE Operator's Manual

Adjusting the Caster-Pivot
Bearing
Service Interval: Every 500 hours/Yearly (whichever comes
first)
1. Disengage the blade-control switch (PTO), move the
motion-control levers to the N
and set the parking brake.
2. Stop the engine, remove the key, and wait for all moving
parts to stop before leaving the operating position.
3. Remove the dust cap from caster and tighten the
locknut (Figure 57).
4. Tighten the locknut until the spring washers are flat,
and then back off a 1/4 turn to properly set the preload
on the bearings (Figure
Important: Make sure that the spring washers are
installed correctly as shown in
5. Install the dust cap
1. Spring washers
2. Locknut
-
EUTRAL LOCK
57).
Figure 57.
(Figure 57).
Figure 57
3. Dust cap

Adjusting the Electric Clutch

Service Interval: Every 500 hours—Check the electric
The clutch is adjustable to ensure proper engagement and
proper braking.
position,
1. Insert a 0.38 to 0.53 mm (0.015 to 0.02 inch) feeler
gauge through an inspection slot in the side of the
assembly.
Note: Make sure that it is between the armature and
the rotor-friction surfaces.
Note: The gap needs to be at least 0.38 mm (0.015
inch), and not more than 0.53 mm (0.02 inch).
2. If adjustment is needed, then set at 0.38 mm (0.015
inch) for each of the 3 adjustment slot positions.
3. Tighten the locknuts until there is a slight binding on
the feeler gauge, but it can be moved easily within the
air gap
4. Repeat this for the remaining slots.
5. Check each slot again and make slight adjustments until
the feeler gauge between the rotor and armature with
very slight contact between them.
1. Adjusting nut
2. Slot
44
clutch.
(Figure 58).
Figure 58
3. Feeler gauge