Craftsman 316.794830 manual Replacing Spark Plug, Cleaning, Long Term Storage, Transporting

Therecommendedclearanceforbothintakeandexhaustis.003- .006

in.(.076- 0.152mm)Useastandardautomotive..005in.(0.127mm) feelergaugeThefeelergaugeshouldslidebetweentherockerarm. andvalvestemwithaslightamountofresistance,withoutbindingSee. Figures30and31.

8.Iftheclearanceisnotwithinspecification:

a.Turntheadjustingnutusinga5/16inch(8mm)wrenchornut driver(Fig31). .

•Toincreaseclearance,turntheadjustingnutcounterclockwise.

•Todecreaseclearance,turntheadjustingnutclockwise.

b.Recheckbothclearances,andadjustasnecessary.

9.Reinstalltherockerarmcoverusinganewgasket(Fig29). . Torquethescrewto: 20-30in-lb(2.2-3.N•m}4.

10.CheckthesparkplugandreinstallSee.Replacing the Spark Plug.

11.Reinstall the spark plug wire.

12.Reinstall the engine cover. Check alignment of the cover before

tightening the screws. Tighten screws.

Muffler

Spark Arrestor

Screen

Spark Arrestor

Cover

T-25 or 3/8-inch

ex Screw 1/4-inch

Hex Screw

NOTE: Make sure that the screws are reinstalled into their original
holes	(Fig. 28).					Fig. 34
REPLACING	THE SPARK		PLUG	I		wrench, remove the screws attaching the spark arrestor cover
						to the muffler (Fig. 34).
electrodes.		Grit	in the engine could damage the		3.	Pull the the spark arrestor cover out of the muffler. Remove the
CAUTION:		Do not sand blast, scrape, or clean				spark arrestor cover.
cylinder.
					4.	Remove the spark arrestor screen from the spark arrestor cover.

Use a replacement part number 753-05784 or Champion spark plug #RDZ4N. The correct spark gap is 0.025 in. (0.635 mm). Remove the plug after every 40 hours of operation and check its condition.

1.Stop the engine and allow it to cool.

2.Insert a flat blade screwdriver under the spark plug cover and pry open (Fig. 32).

5.Clean the spark arrestor screen with a wire brush or replace it.

6.Reinstall the spark arrestor screen, spark arrestor cover, and screws.

7.Reinstall the muffler cover.

CLEANING

Spark Plug

Cover

---. _Screwdriver

Fig. 32

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

4.Clean dirt from around the spark plug. Remove the spark plug from the cylinder head by turning a

5/8 in. socket counterclockwise.

I _ JWARNING: To avoid serious personal injury, always turndo anyyourmaintenanceoffun and ona owit. t to coo before you cean or

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

1.	Drain all gasoline from the gas tank into a container.	Do not use
	gas that has been stored for more than 60 days. Dispose of the
	old gasoline in accordance to Federal, State, and Local
	regulations.
2.	Start the engine and allow it to run until it stalls. This	ensures that
	all gasoline has been drained from the carburetor.
3.	Allow the engine to cool. Remove the spark plug and put 5 drops

5.Replace cracked, fouled or dirty spark plug. Set the spark gap at 0.025 in. (0.635 mm) using a feeler gauge (Fig. 33).

6.Install a correctly-gapped spark plug in the cylinder head. Turn the 5/8 in. socket clockwise until snug.

7, Reinstall the spark plug cover. If using a torque wrench, torque to:

110-120 in.•lb. (12.3-13.5 N•m) Do not over tighten.

SPARK ARRESTOR MAINTENANCE

--Fig. 33

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 blower after storage.

4.Change the oil, referring to Changing the Oil. Dispose of the old oil in accordance to Federal, State and Local regulations.

5.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.

turn your unit off and allow it to cool before you clean orJ WARNING: To avoid serious personal injury, always I do any maintenance on it.

Remove the muffler cover. See RockerArm Clearance.

2[ With a 3/8-inch hex wrench or T-25 bit and a 1/4-inch hex

13