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16
0.025 inch
(0.655 mm)
CAUTION: Replace a cracked, fouled
or dirty spark plug. Do not sand blast,
scrape, or clean electrodes because
the engine could be damaged by grit
entering the cylinde
r.
REPLACING THE SPARK PLUG
Use a Champion RCJ-6Y spark plug (or equivalent).
Correct air gap is 0.025 in. (0.655 mm). Remove
plug after every 50 hours of operation and check
its condition.
1. Stop the engine and allow it to cool. Pull the
wire off of the spark plug.
2. Clean around the spark plug and remove it
from the cylinder head. Use a 5/8" socket to
remove the plug.
Fig. 30
3. Set the air gap at 0.025 in. (0.655 mm) using
a wire feeler gauge (Fig. 30). Install a correctly
gapped spark plug into the cylinder head.
Torque to 110-120 in•lb (12.3-13.5 N•m).
MAINTENANCE AND REPAIR INSTRUCTIONS
STORAGE
If the unit will be stored for an extended period
of time, use the following storage procedure.
1. Drain all fuel from the fuel tank and drain
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 a safe manner and
use a fresh mix.
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 approximately 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.
4. 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 now ready for storage.
5. To prevent unauthorized use or damage, lock up
and store the unit in a dry, well-ventilated area.
NOTE: Remove the spark plug and drain all of
the oil from the cylinder before attempting
to start the trimmer after storage.
WARNING: Always turn off your
trimmer before you clean or perform
any maintenance on it.
Use a small brush to clean off the outside of the
unit. Do not use strong detergents on plastic
housing or handle. They can be damaged by
household cleaners that contain aromatic oils
such as pine and lemon, and by solvents such as
kerosene. Wipe off any moisture with a soft cloth.
CLEANING
ACCESSORIES/REPLACEMENT PARTS
2-Cycle Oil. . . . . . . . . . . . . . . . . . . . . . . . . 147543
Spark Plug . . . . . . . . . . . . . . . . . . . . . . . . 181765
Replacement Line . . . . . . . . . . . . . . . . . . . 181472
Replacement Line Cartridge . . . . . . . . . . . 181460
Inner Reel Spring . . . . . . . . . . . . . . . . . . . 181465
Bump Head Knob Assembly. . . . . . . . . . . 181468
Fuel Cap. . . . . . . . . . . . . . . . . . . . . . . . . . 180000
Shoulder Strap . . . . . . . . . . . . . . . . . . . . . 682075
Click-Link Coupler . . . . . . . . . . . . . . . . . . 181616