Craftsman 316.79479 manual Replacing the Spark Plug, Maintenance Schedule

WARNING" To prevent serious injury, never perform maintenance or repairs with unit running. Always service and repair a cool unit, Disconnect the spark plug wire to ensure that the unit cannot start. See

Replacing the Spark Plug.

MAINTENANCE SCHEDULE

Perform these required maintenance procedures at the frequency stated in the table, These procedures should also be a part of any seasonal tune-up.

NOTE: Some maintenance procedures may require special tools or skills. If you are unsure about these procedures take your unit to a Sears or other qualified service dealer.

NOTE: Maintenance, replacement, or repair of the emission control devices and system may be performed by a Sears or other qualified service dealer.

In order to assure peak performance of your engine, inspection of the engine exhaust port may be necessary after 50 hours of operation, If you notice lost RPM, poor performance or general lack of acceleration, this service may be required. If you feel your engine is in need of this inspection, refer service to a Sears or other qualified service dealer for repair. DO NOT attempt to perform this process yourself as engine damage may result from contaminants involved in the cleaning process for the port.

FREQUENCY			MAINTENANCE REQUIRED			SEE
Before	using		Fill fuel tank		with fresh fuel	p	8
Every	25	hrs	Clean and re-oil air filter			p	11
			Check	spark	plug condition and gap	p	12
Every	50	hrs	Clean	spark	arrestor	p	12

AIR FILTER MAINTENANCE

Cleaning the Air Filter

Clean and re-oil the air filter every 25 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 locking tab on the top of the cover inward, then pull the air filter cover out and down. (Fig. 18),

_ Locking

Ai(_Filter

Fig. 18

2.Remove the air filter (Fig. 19).

3, Wash the filter in detergent and water (Fig, 20). Rinse the filter thoroughly and allow it to dry.

4.Apply enough clean SAE 30 motor oil to lightly coat the filter (Fig, 21).

5.Squeeze the filter to spread and remove excess oil (Fig. 22), 6, Replace the filter (Fig. 19).

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 bottom of

the air filter cover onto the tabs at the bottom of the back plate (Figs. 19),

8, Swing the cover up until the tab on the air filter backplate snaps into place in the slot on the air filter cover (Fig. 23).

Air Filter

Locking Tab

Back Plate

Fig. 19

Fig. 20 Fig. 21

Fig. 22

Locking Tab

Air Filter

Cover

Fig. 23

11