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Engine Maintenance
WARNING
Contact with hot surfaces may cause personal
injury.
Keep hands, feet, face, clothing, and other
body parts away the muffler and other hot
surfaces.
Servicing the Air Cleaner
Service Interval: Every 150 hours
Every 300 hours/Yearly (whichever comes
first)—Replace the primary air filter (more often
in dusty or sandy conditions).
Every 300 hours—Check the inner air filter.
Every 600 hours—Replace the inner air filter.
Note:
Check the filters more frequently if the
operating conditions are extremely dusty or sandy.
Removing the Filters
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.
Release the latches on the air cleaner and
pull the air-inlet cover off the air-cleaner body
(Figure
49).
4.
Clean the air-inlet screen and cover.
5.
Install the air-inlet cover and secure it with the
latches
(Figure
49).
1. Cover
2. Primary filter
3. Inner filter
4. Air-cleaner body
6.
Release the latches on the air cleaner and pull
the air-cleaner cover off the air-cleaner body
(Figure
49).
7.
Clean the inside of the air-cleaner cover with
compressed air.
8.
Gently slide the primary filter out of the
air-cleaner body
Note:
Avoid knocking the filter into the side of
the body.
9.
Remove the inner filter only if you intend to
replace it.
Important:
Never attempt to clean the
inner filter. If the safety filter is dirty, then
the primary filter is damaged; replace both
filters.
10.
Inspect the primary filter for damage by looking
into the filter while shining a bright light on the
outside of the filter.
Note:
Any holes in the filter will appear as bright
spots. If the filter is damaged, discard it.
Servicing the Primary Filter
•
If the primary filter is dirty, bent, or damaged,
replace it.
•
Do not clean the primary filter.
Servicing the Safety Filter
Replace the safety filter, never clean it.
Important:
Never attempt to clean the safety
filter. If the safety filter is dirty, then the primary
filter is damaged. Replace both filters.
39
Figure 49
5. Air-inlet screen
6. Cover
7. Latch
(Figure
49).
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