Optional Accessory; Cleaning And Storage; Optional Equipment - Craftsman WEEDWACKER 316.791210 Manual Del Operador

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MAINTENANCE & REPAIR INSTRUCTIONS

REPLACING THE SPARK PLUG

Champion

Use a replacement

is 0.025 in. (0.635 mm). Remove the plug after every 40 hours of operation

and check its condition.

Stop the engine and allow it to cool. Remove the six (6) screws on the back

of the engine cover with a Flat-head or T-25 Torx screwdriver (Fig. 26).

Grasp the plug wire firmly and pull the cap from the spark plug.

WARNING:

Do not sand blast, scrape or clean spark plug

electrodes. Grit in the engine could damage the cylinder.

Clean dirt from around the

spark plug. Remove the spark

plug from the cylinder head by

turning a 5/8 in. socket

counterclockwise.

Replace cracked, fouled or

dirty spark plug. Set the air

gap at 0.025 in. (0.635 mm)

using a feeler gauge (Fig. 30).

Install a correctly-gapped

spark plug in the cylinder

head. Turn the 5/8 in. socket

clockwise until snug.

If using a torque wrench torque to: 110-120 in.•lb. (12.3-13.5 N•m)

Do not over-tighten.

CLEANING

Use a small brush to clean off the outside of the unit. Do not use strong

detergents. Household cleaners that contain aromatic oils such as pine and

lemon, and solvents such as kerosene, can damage plastic housing or handle.

Wipe off any moisture with a soft cloth.

STORAGE

• Never store the unit with fuel in the tank where fumes may reach an open

flame or spark.

• Allow the engine to cool before storing.

• Lock up the unit to prevent unauthorized use or damage.

• Store the unit in a dry, well-ventilated area.

• Store the unit out of the reach of children.

LONG TERM STORAGE

Drain all gasoline from the gas tank into a container. Do not use gas

that has been stored for more than 30 days. Dispose of the old gasoline

in accordance to Federal, State, and Local regulations.

Start the engine and allow it to run until it stalls. This ensures that all

gasoline has been drained from the carburetor.

Allow the engine to cool. Remove the spark plug and put 5 drops of

high quality motor oil into the cylinder. Pull the starter rope slowly to

distribute the oil. Reinstall the spark plug.

NOTE:

Remove the spark plug and drain all of the oil from the cylinder

before attempting to start the trimmer after storage.

Change the oil, referring to Changing the Oil. Dispose of the old oil in

accordance to Federal, State and Local regulations.

Thoroughly clean the unit and inspect for any loose or damaged parts.

Repair or replace damaged parts and tighten loose screws, nuts or

bolts. The unit is ready for storage.

TRANSPORTING

• Allow the engine to cool before transporting.

• Secure the unit while transporting.

• Drain the gas tank before transporting.

• Tighten gas cap before transporting.

#RDZ4H spark plug

. The correct air gap

0.025 in.

(0.635 mm)

Fig. 30