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Maintenance (continued)
0.025 inch
(0.655 mm)
Fig. 6-16
Replacing the Spark Plug
Use a Champion RCJ6Y spark plug (or equivalent). The
correct air gap is 0.025 inch (0.655 mm). Remove the
plug after every 25 hours of operation and check its
condition.
1. Stop the engine and allow it to cool. Grasp the plug
wire firmly and pull the cap from the spark plug.
2. Clean dirt from around the spark plug. Remove the
spark plug from the cylinder head by turning a 5/8
inch socket counterclockwise.
3. Replace cracked, fouled or dirty spark plug. Set the
air gap at 0.025 inch (0.655 mm) using a feeler gauge
(Fig. 6-16).
Do not sand blast, scrape, or clean electrodes. Grit
in the engine could damage the cylinder.
4. Install a correctly-gapped spark plug in the cylinder
head. Tighten by turning the 5/8 inch 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
To avoid serious personal injury, always turn your
trimmer off and allow it to cool before you clean or
do any maintenance on it.
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.
16
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.
• Store the unit locked up 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
If the unit will be stored for an extended time, use the
following storage procedure:
1. Drain all fuel from the fuel tank into a container with
the same 2-cycle fuel mixture. Do not use fuel that
has been stored for more than 60 days. Dispose of
the old fuel/oil mix in accordance to Federal, State
and Local regulations.
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 1 oz. (30 ml) 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.
NOTE: Remove the spark plug and drain all of the oil
from the cylinder before attempting to start
the trimmer after storage.
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. The unit is
ready for storage.
Transporting
• Allow the engine to cool before transporting.
• Drain fuel from unit.
• Tighten fuel cap before transporting.
• Secure the unit while transporting.
Accessories / Replacement Parts
2-Cycle Oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Spark Plug . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181765
Spark Arrestor . . . . . . . . . . . . . . . . . . . . . . . . . . .181696
Replacement Line Cartridge . . . . . . . . . . . . . . 753-1156
Inner Reel Spring . . . . . . . . . . . . . . . . . . . . . . . . .182842
Bump Knob Assembly . . . . . . . . . . . . . . . . . . . .153066
Fuel Cap . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .181612
Shoulder Strap . . . . . . . . . . . . . . . . . . . . . . . . . . 682075
For specific replacement parts, refer to the parts list
located on the inside back cover of this manual.
.180965
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