2. Stop the engine, remove the key, and wait for all
moving parts to stop before leaving the operating
position.
3. Grease the mower deck idler pulley pivot until grease
come out the bottom (Figure 45).
4. Grease the three spindle bearings until grease comes
out the lower seals (Figure 45).
G009029
Figure 45
5. Grease the drive belt idler arm (Figure 46).
Figure 46
6. 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 in Maintenance.
7. Remove the hex plug. Thread a grease zerk into the
hole.
8. Pump grease into the zerk until it oozes out around
the top bearing.
9. Remove the grease zerk in the hole. Install the hex
plug and dust cap (Figure 47).
Figure 47
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.
Figure 48
1.
Seal guard
2.
Spacer nut with wrench
flats
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.
8. If the axle assembly has had both spacer nuts
removed (or broken loose), apply a thread locking
35
Summary of Contents for Z Master 74936
Page 70: ...Schematics Wire Diagram Rev A 70...
Page 71: ...Notes 71...
