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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 the muffler and other hot surfaces.
Servicing the Air Cleaner
Note:
Service the air cleaner more frequently (every
few hours) if operating conditions are extremely dusty
or sandy.
Removing the Foam and Paper
Elements
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.
Clean around the air cleaner to prevent dirt from
getting into the engine and causing damage.
4.
Remove the air-cleaner cover by unscrewing the
2 knobs
(Figure
36).
Figure 36
1. Air-cleaner cover
5.
Carefully remove the foam and paper filter
elements from the air-cleaner housing
37).
g020242
2. Knobs
(Figure
1. Foam element
6.
Separate the foam and paper elements.
Servicing the Air-Cleaner Foam
Element
Service Interval: Before each use or daily—Clean
and check the air-cleaner foam
element.
1.
Wash the foam element in liquid soap and
warm water. When the element is clean, rinse
it thoroughly.
2.
Dry the element by squeezing it in a clean cloth.
Important:
Replace the foam element if it
is torn or worn.
Servicing the Air-Cleaner Paper
Element
Service Interval: Every 50 hours—Replace the
air-cleaner paper element.
1.
Clean the paper element by tapping it gently to
remove dust.
Note:
If it is very dirty, replace the paper
element
(Figure
2.
Inspect the element for tears, an oily film, or
damage to the rubber seal.
3.
Replace the paper element if it is damaged.
Important:
Do not clean the paper filter.
Installing the Foam and Paper
Elements
Important:
To prevent engine damage, always
operate the engine with the complete foam and
paper air cleaner assembly installed.
35
Figure 37
2. Paper element
37).
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