Lubricating The Caster-Wheel Hubs - Toro Z Master Professional 6000 Series Operator's Manual

7. Grease the drive-belt idler arm
Figure 46
8. Remove the dust cap and adjust the caster
pivots.
Note:
Keep the dust cap off until greasing is
complete. Refer to
Bearing (page 50).
9. Remove the hex plug and thread a grease fitting
into the hole.
10. Pump grease into the fitting until it oozes out
around the top bearing.
11. Remove the grease fitting from the hole.
12. Install the hex plug and dust cap
Figure 47
13. Install the sheet-metal guard. Refer to
the Sheet-Metal Guard (page
14. Tighten the bolt for the mower-deck curtain.
Refer to Releasing the Mower-Deck Curtain
(page 37).
(Figure 45).
Adjusting the Caster-Pivot
(Figure 47).
Removing
37).
Lubricating the
Caster-Wheel Hubs
Service Interval: Yearly
1. Shut off the engine, wait for all moving parts to
stop, remove the key, and engage the parking
brake.
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1. Seal guard
2. Remove the caster wheel from the caster forks.
3. Remove the seal guards from the wheel hub.
4. Remove a spacer nut from the axle assembly in
the caster wheel.
Note:
Thread-locking compound has been
applied to lock the spacer nuts to the axle.
5. Remove the axle (with the other spacer nut still
assembled to it) from the wheel assembly.
6. Pry out seals and inspect bearings for wear or
damage and replace if necessary.
7. Pack the bearings with a general-purpose
grease.
8. Insert 1 bearing and 1 new seal into the wheel.
Note:
Replace the seals.
9. If both spacer nuts have been removed (or
broken loose) from the axle assembly, apply a
thread-locking compound to 1 spacer nut and
thread it onto the axle with the wrench flats
facing outward.
Note:
Do not thread the spacer nut all of
the way onto the end of the axle. Leave
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approximately 3 mm (1/8 inch) from the outer
surface of the spacer nut to the end of the axle
inside the nut.
10. Insert the assembled nut and axle into the wheel
on the side with the new seal and bearing.
11. With the open end of the wheel facing up, fill
the area inside the wheel around the axle full of
general-purpose grease.
39
Figure 48
2. Spacer nut with wrench
flats
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