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Lubrication
Greasing the Machine
Grease with No. 2 lithium or molybdenum grease.
1.
Disengage the blade-control switch (PTO) and
move the motion-control levers outward to the
P
position.
ARK
2.
Shut off the machine, remove the key, and wait
for all moving parts to stop before leaving the
operating position.
3.
Clean the grease fittings with a rag.
Note:
Make sure to scrape any paint off the
front of the fitting(s).
4.
Connect a grease gun to the fitting.
5.
Pump grease into the fittings until grease begins
to ooze out of the bearings.
6.
Wipe up any excess grease.
Greasing the Front Caster
Pivots
Service Interval: Yearly
Grease type: Lithium or molybdenum grease
1.
Remove the dust cap and adjust the caster
pivots; refer to
Adjusting the Caster-Pivot
Bearing (page
37).
Note:
Keep the dust cap off until you have
finished greasing the caster pivots.
2.
Remove the hex plug.
3.
Thread a grease fitting (1/4 inch–28 taper
thread) into the hole.
4.
Pump grease into the fitting until it oozes out
around the top bearing.
5.
Remove the grease fitting from the hole.
6.
Install the hex plug and dust cap.
Greasing the Caster-Wheel
Hubs
Service Interval: Yearly
Grease type: Lithium or molybdenum grease
1.
Park the machine on a level surface, disengage
the PTO, and move the motion-control levers
outward to the P
ARK
2.
Shut off the machine, remove the key, and wait
for all moving parts to stop before leaving the
operating position.
position.
3.
Remove the caster wheel from the caster forks.
4.
Remove the seal guards from the wheel hub.
1. Seal guard
5.
Remove 1 spacer nut from the axle assembly in
the caster wheel.
Note:
Thread-locking adhesive has been
applied to lock the spacer nuts to the axle.
6.
Remove the axle with the other spacer nut still
assembled to it from the wheel assembly.
7.
Pry out the seals, inspect bearings for wear or
damage, and replace them if necessary.
8.
Pack the bearings with a general-purpose
grease.
9.
Insert 1 bearing and 1 new seal into the wheel.
Note:
You must replace the seals.
10.
If both spacer nuts in the axle assembly
have been removed (or broken loose), apply
thread-locking adhesive to 1 spacer nut,
threading 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
approximately 3 mm (1/8 inch) from the outer
surface of the spacer nut to the end of the axle
inside the nut.
11.
Insert the assembled nut and axle into the wheel
on the side of the wheel with the new seal and
bearing.
12.
With the open end of the wheel facing up, fill
the area inside the wheel around the axle full of
general-purpose grease.
13.
Insert the second bearing and the new seal into
the wheel.
14.
Apply thread-locking adhesive to the second
spacer nut, threading it onto the axle with the
wrench flats facing outward.
33
Figure 46
2. Spacer nut with wrench
flats
g006115
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