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MAiNTAiNiNG THE AiR FILTER
I _
I WARNING:
To avoid serious personal injury, always stop I
the engine and allow it to cool before cleaning or maintaining
J
the unit.
Failure to maintain the air filter can result in poor performance or
can cause permanent damage to the engine. Engine failure due to
improper air filter maintenance is not covered by the product warranty.
Cleaning
the Air Filter
1. Unscrew the cover screw completely.
Swing the air filter cover to
the right. Remove the air filter cover from the air filter housing
(Fig. 25).
2. Remove the air filter from the air filter housing (Fig. 25).
3. Wash the air filter in detergent and water. Rinse the air filter
thoroughly
and allow it to dry.
4. Lightly coat the air filter with clean SAE 30 oil.
5. Squeeze the air filter to spread and remove excess oil.
6. Reinstall the air filter in the air filter housing (Fig. 25).
NOTE: Operating the unit without the air filter and air filter cover will
VOID the warranty.
7. Insert the tab on the air filter cover into the hole on the air filter
housing. Swing the air filter cover to the left. Push the air filter
cover back onto the air filter housing. Insert the cover screw into
the air filter cover. Tighten the cover screw to secure the air filter
cover (Fig. 25).
Hole
Tab
Air Filter
Housing
/
II _=,_=_=9 _/
Cover
Screw
Air Filter
_3_----
Fig. 25
ADJUSTING THE IDLE SPEED
i ,!'O°'°O: heoutti head a s in
d "in 'd'es.eed
!
adjustments.
Wear protective clothing and observe all
safety instructions to prevent serious personal injury.
If the engine will not idle properly:
1. Drain the fuel tank and add fresh fuel. Refer to 0il and Fuel.
2. Clean the air filter. Refer to Maintaining the Air Filter.
If the engine still will not idle properly, adjust the idle speed:
1. Start the engine. Refer to Starting and Stopping.
2. Release the throttle control and let the engine idle.
• If the engine stops, increase the idle speed. Use a small
Phillips screwdriver to turn the idle speed screw clockwise,
1/8 of a turn at a time, until the engine idles smoothly (Fig. 26).
If the cutting head spins when the engine idles, reduce the idle
speed. Turn the idle speed screw counterclockwise,
1/8 of a
turn at a time, until the cutting head stops moving (Fig. 26).
If the engine still will not idle properly, and any of the following
conditions are true, take the unit to a Sears or other qualified service
dealer:
the engine hesitates or stalls on acceleration
there is a loss of engine power
Fig. 26
Idle
Speed
Screw
18
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