Lubricating The Caster Wheel Hubs - Toro 74942 Operator's Manual

Figure 39
6. Grease the drive-belt idler arm
Figure 40
7. Remove the dust cap and adjust the caster pivots.
Keep the dust cap off until greasing is done. Refer to
Adjusting the Caster-Pivot Bearing (page
8. Remove the hex plug. Thread a grease fitting into the
hole.
9. Pump grease into the grease fitting until it oozes out
around the top bearing.
10. Remove the grease fitting in the hole. Install the hex
plug and dust cap (Figure
(Figure 38).
44).
41).
Lubricating the Caster Wheel
Hubs
Service Interval: Yearly
1. Stop the engine, wait for all moving parts to stop, and
remove the key. Engage the parking brake.
1. Seal guard
2. Remove the caster wheel from the caster forks.
3. Remove the seal guards from the wheel hub.
4. Remove one of the spacer nuts from the axle assembly
in the caster wheel. Note that thread locking adhesive
has been applied to lock the spacer nuts to the axle.
Remove the axle (with the other spacer nut still
assembled to it) from the wheel assembly.
5. Pry out seals, and inspect bearings for wear or damage
and replace if necessary.
6. Pack the bearings with a general-purpose grease.
7. Insert one bearing, one new seal into the wheel.
Note: Replace the seals.
8. If the axle assembly has had both spacer nuts removed
(or broken loose), apply a thread locking adhesive
to one spacer nut and thread onto the axle with the
31
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Figure 41
Figure 42
2. Spacer nut with wrench
flats