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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 from the muffler and other hot
surfaces.
Servicing the Air Cleaner
Service Interval: Every 100 hours or yearly,
whichever comes first—Clean the
primary air filter (more often in dirty
or dusty conditions).
Every 400 hours or yearly, whichever comes
first—Replace the primary air filter (more often
in dirty or dusty conditions).
Every 600 hours/Yearly (whichever comes
first)—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
35).
1. Safety filter
2. Primary filter
3. Air-cleaner body
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:
Do not attempt to clean the
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
outside of the filter. If the primary filter is dirty,
bent, or damaged, replace it.
Note:
Holes in the filter appear as bright spots.
Do not clean the primary filter.
31
Figure 35
4. Latch
5. Air-cleaner cover
(Figure
35).
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