Fig. 28

MAINTENANCE AND REPAIR INSTRUCTIONS

AIR FILTER MAINTENANCE

WARNING: To avoid serious personal injury, always turn the unit off and allow it to cool before you clean or service it.

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

NOTE: If the unit is operated without the air filter, you will VOID the warranty.

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

Air Filter

Tabs

your engine.

back plate (Fig. 28).

Locking Tab

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. 24).

Air Filter Cover

Air Filter

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. 29).

Air Filter Cover

Air Filter

Fig. 24

2.

Remove the air filter (Fig. 23).

3.

Wash the filter in detergent and

 

water (Fig. 25). Rinse the filter

Tab

Fig. 29

Tab

 

thoroughly and allow it to dry.

4.

Apply enough clean SAE 30 motor

 

oil to lightly coat the filter (Fig. 26).

5.

Squeeze the filter to spread and

 

remove excess oil (Fig. 27).

6.

Replace the filter (Fig. 24).

Fig. 25

WARNING: To prevent serious personal injury, make sure the cutting attachment has stopped rotating before you turn it off and set it down.

IDLE SPEED ADJUSTMENT

 

The idle speed of the engine is

Idle Adjustment Screw

adjustable. An idle adjustment

 

screw is between the air filter

 

cover and the engine starter

 

housing (Fig. 30).

 

NOTE: Careless adjustments

 

can seriously damage

 

your unit. Aside from

 

the idle speed, only a

 

Sears or other qualified

 

service dealer should

 

make carburetor

 

adjustments.

Fig. 30

1. Check Fuel

Old fuel is usually the reason for idle speed problems. Drain and refill the tank with fresh fuel prior to making any adjustments. Refer to Oil and Fuel Information.

Fig. 26

 

 

 

Fig. 27

 

2. 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 idle. Check the condition of the air filter before

 

 

 

 

 

 

adjusting the idle speed screw. Refer to Air Filter Maintenance.

11