Adjusting The Caster-Pivot Bearing; Using The Clutch Shim - Toro 74943 Operator's Manual

1. Slotted nut
Adjusting the Caster-Pivot
Bearing
Service Interval: Every 500 hours/Yearly (whichever
comes first)
1. Park the machine on a level surface, disengage
the blade-control switch (PTO), and engage the
parking brake.
2. Shut off 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
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
Important:
Make sure that the spring
washers are installed correctly as shown in
Figure 77.
5. Install the dust cap
Figure 76
77).
(Figure 77).
(Figure 77).
1. Spring washers
2. Locknut
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Using the Clutch Shim

Some later model year units have been built with
clutches that contain a brake shim. When the clutch
brake has worn to the point where the clutch no longer
engages consistently, you can remove the shim to
extend the clutch life.
1. Armature
2. Field shell
3. Rotor
4. Brake-mounting bolt
Removing the Clutch Shim
1. Park the machine on a level surface, disengage
the blade-control switch (PTO), and engage the
parking brake.
54
Figure 77
3. Dust cap
Figure 78
5. Brake spacer
6. Re-gap shim
7. Brake pole
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