MAINTENANCE AND REPAIR INSTRUCTIONS
REPLACING THE SPARK PLUG
Use a Champion RDJ7Y spark plug (or equivalent). The correct air gap is 0.020 in. (0.5 mm.). Remove the plug after every 50 hours of operation to 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 in. socket counterclockwise.
Note: Replace cracked, fouled or dirty spark plug.
3.Set the air gap at 0.020 in. (0.5 mm.) using a feeler gauge (Fig. 34).
0.020 in.
(0.5 mm.)
Fig. 34
CAUTION: Do not sand blast, scrape, or clean electrodes. Grit in the engine could damage the cylinder.
4.Install a correctly gaped spark plug in the cylinder head. Tighten by turning the 5/8 in. socket clockwise until snug.
If using a torque wrench torque to;
ACCESSORIES/REPLACEMENT PARTS
Spark Plug . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 610311
Replacement Line . . . . . . . . . . . . . . . . . . . . . . . 610375
Replacement Line Cartridge . . . . . . . . . . . . . . . 153577
Inner Reel Spring . . . . . . . . . . . . . . . . . . . . . . . . 610317
Bump Head Knob Assembly . . . . . . . . . . . . . . . 153066
Outer Spool . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153599
Cutting Attachment Head Assembly . . . . . . . . . 153700
Fuel Cap . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 180000
Shoulder Harness . . . . . . . . . . . . . . . . . . . . . . . 682075
Flail Blades . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181974
CLEANING AND STORAGE
CLEANING
WARNING: 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 such as kerosene, can damage plastic housing or handle. Wipe off any moisture with a soft cloth.
STORAGE
•Never store the unit with gasoline 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,
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.
LONG TERM STORAGE
If the unit will be stored for an extended time,
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 1 oz. (30 ml.) of any 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.
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 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.
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