Troy-Bilt TB75SS Manual Del Operador página 14

REPLACING THE SPARK PLUG
Use a Champion RDJ7Y spark plug (or equivalent).
The correct air gap is 0.025 inch (0.635 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 it from the spark plug.
2. Clean around the spark plug. Remove the spark plug from
the cylinder head by turning a 5/8 in. socket
counterclockwise.
3. Replace a cracked, fouled or dirty spark plug. Set the air
gap at 0.025 in. (0.635 mm) using a feeler gauge (Fig. 33).
4. Install a correctly-gapped spark plug in the cylinder head.
Tighten by turning the 5/8-inch socket clockwise until snug.
WARNING:
Do not sand blast, scrape or clean
electrodes. Grit in the engine could damage the
cylinder.
If using a torque wrench torque to:
110-120 in.•lb. (12.3-13.5 N•m)
Do not over tighten.
0.025 in.
(0.635 mm)
CLEANING
WARNING:
To avoid serious personal injury,
always turn your unit off and allow it to cool before
you clean or service 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.
14
MAINTENANCE AND REPAIR INSTRUCTIONS
Fig. 3
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.