Lubricate Caster Wheel Hubs - Toro Z580-D Z Master 74266 Operator's Manual

Grease with No. 2 general purpose lithium base or
molybdenum base grease.
Important: Make sure cutting unit spindles are
full of grease weekly.
1. Disengage the PTO, move the motion control levers
to the neutral locked position 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. Grease the idler pulley pivot (Figure 31).
4. Grease the fittings on the 3 spindle bearings
(Figure 31).
5. Grease the PTO drive belt idler arm (Figure 32).
6. Grease the pump belt idler arm (Figure 32).
Figure 31

Lubricate 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: The seals must be replaced.
31
Figure 32
Figure 33
2. Spacer nut with wrench
flats