Filter
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13
MAINTENANCE AND REPAIR INSTRUCTIONS
AIR FILTER MAINTENANCE
Cleaning the Air Filter
Clean and re-oil the air filter every 10 hours of operation. It is
an important item to maintain. Failure to maintain your air filter
properly can result in poor performance or can cause
permanent damage to your engine.
1. Open the air filter cover. Push the tab on the under side of
the cover inward. Then pull the air filter cover out and up.
(Fig. 45).
2. Remove the air filter (Fig. 45).
3. Wash the filter in detergent and
water (Fig. 46). Rinse the filter
thoroughly and allow it to dry.
4. Apply enough clean SAE 30
motor oil to lightly coat the filter
(Fig. 47).
5. Squeeze the filter to spread and
remove excess oil (Fig. 48).
6. Replace the filter (Fig. 45).
NOTE: If the unit is operated
without the air filter, you will
VOID the warranty.
Fig. 46
Air Filter Cover
Air Filter
Tab
Fig. 45
Fig. 47
Fig. 48
7. Reinstall the air
filter cover.
Position the slots
on the top of the
air filter cover
onto the tabs at
the top of the
back plate (Fig.
49).
8. Swing the cover
down until the tab
on the air filter
backplate snaps
into place in the
slot on the air filter cover (Fig. 50).
CARBURETOR ADJUSTMENT
The idle speed of the
engine is adjustable. An
idle adjustment screw is
between the air filter cover
and the engine starter
housing (Fig. 51).
NOTE: Careless
adjustments can
seriously damage your
unit. An authorized
service dealer should
make carburetor
adjustments.
Check Fuel
Old fuel is usually the reason for improper unit performance.
Drain and refill the tank with fresh fuel prior to making any
adjustments. Refer to Oil and Fuel Information.
Clean Air Filter
The condition of the air filter is important to the operation of the
unit. A dirty air filter will restrict air flow. This is often mistaken
for an out of adjustment carburetor. Check the condition of the
air filter before adjusting the idle speed screw. Refer to Air
Filter Maintenance.
Idle Adjustment Screw
Fig. 51
Air Filter Cover
Air Filter
Tab
Fig. 50
Fig. 49
Locking Tab
Tabs
Back Plate
Air Filter