Craftsman Incredi-Pull 316.240320 Operator's Manual page 13

MAiNTAiNiNG THE SPARK PLUG
1. Stop the engine and allow it to cool. Grasp the spark plug boot
firmly and pull it from the spark plug.
2. Clean around the spark plug. Remove the spark plug from the
cylinder head with a 5/8-inch socket, turning counterclockwise.
I _ ! WARNING: Do not sand blast, scrape or clean spark plug 1
electrodes. Grit in the engine could damage the cylinder.
3. inspect the spark plug. if the spark plug is cracked, fouled or
dirty, replace it with a replacement part #753=06193, a
Champion RDJ7J or an equivalent spark plug.
4. Use a feeler gauge to set the air gap at 0.025 in. (0.635 ram}
(Fig. 13).
5. install the spark plug in the cylinder head. Tighten the spark plug
with a 5/8-inch socket, turning it clockwise until snug.
NOTE: if using a torque wrench, torque to:
110-120 in.olb. (12.3-13.5 Nora). Do not over tighten.
6. Reattach the spark plug boot.
0.025 in.
(0.6,35 ram) t
Fig. 13
CLEANING
WARNING, To avoid serious personal injury, always stop
the engine and allow it to cool before cleaning or maintaining
]
the unit.
Use a small brush to clean 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.
Wipe off any moisture with a soft cloth.
STO RAG E
Never store a fueled unit 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. Remove the fuel cap, tip the unit and drain the fuel into an
approved container.
2. Start the engine and allow it to run until it stalls. This ensures
that all fuel has been drained from the carburetor.
3. Allow the engine to cool. Remove the spark plug and put 5 drops
of any high quality motor oil or 2-cycle oil into the cylinder. Pull the
starter rope slowly to distribute the oil. Reinstall the spark plug.
4. Thoroughly clean the unit and inspect it for any loose or
damaged parts. Repair or replace damaged parts and tighten
loose screws, nuts or bolts.
Preparing the Unit for Use after Long-term Storage
1. Remove the spark plug and drain all of the oil from the cylinder.
NOTE: Do not use fuel that has been stored for more than 30 days.
Dispose of old fuel according to federal, state and local regulations.
13