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13.
With the open end of the wheel facing up, fill
the area inside the wheel around the axle full of
general-purpose grease.
14.
Insert the second bearing and new seal into the
wheel.
15.
Apply a thread-locking compound to the second
spacer nut, and thread it onto the axle with the
wrench flats facing outward.
16.
Torque the nut to 8 to 9 N∙m (75 to 80 in-lb),
loosen the nut, then torque it to 2 to 3 N∙m (20
to 25 in-lb).
Note:
Make sure that the axle does not extend
beyond either nut.
Engine Maintenance
Engine Safety
•
Shut off the engine before checking the oil or
adding oil to the crankcase.
•
Keep your hands, feet, face, clothing, and other
body parts away the muffler and other hot surfaces.
Servicing the Air Cleaner
Service Interval: Every 250 hours—Replace the
primary air filter (more often in dirty
or dusty conditions).
Every 250 hours—Check the safety air filter
(more often in dirty or dusty conditions).
Every 500 hours—Replace the safety air filter
(more often in dirty or dusty conditions).
Note:
Service the air cleaner more frequently if
operating conditions are extremely dusty or sandy.
Removing the Filters
1.
Park the machine on a level surface, disengage
the blade-control switch (PTO), and engage the
parking brake.
2.
Shut off the engine, remove the key, and wait
for all moving parts to stop before leaving the
operating position.
3.
Release the latches on the air cleaner and pull
the air-cleaner cover off the air-cleaner body
(Figure
56).
17.
Install the seal guards over the wheel hub, and
insert the wheel into the caster fork.
18.
Install the caster bolt and tighten the nut fully.
Important:
To prevent seal and bearing damage,
check the bearing adjustment often. Spin the
caster tire. The tire should not spin freely (more
than 1 or 2 revolutions) or have any side play. If
the wheel spins freely, adjust the torque on the
spacer nut until there is a slight amount of drag.
Apply another layer of thread-locking compound.
1. Air-cleaner body
2. Primary filter
3. Latch
4.
Clean the inside of the air-cleaner cover with
compressed air.
5.
Gently slide the primary filter out of the
air-cleaner body
Note:
Avoid knocking the filter into the side of
the body.
6.
Remove the safety filter only to replace it.
Inspecting the Filters
1.
Inspect the safety filter. If it is dirty, replace both
the safety and primary filters.
Important:
safety filter. If the safety filter is dirty, then
the primary filter is damaged.
2.
Inspect the primary filter for damage by looking
into the filter while shining a bright light on the
47
Figure 56
4. Air-cleaner cover
5. Safety filter
(Figure
56).
Do not attempt to clean the
g001883
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