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Optional Accessory; Cleaning And Storage; Optional Equipment - Craftsman 316.791930 Manual Del Operador

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MAINTENANCE & REPAIR INSTRUCTIONS
REPLACING THE SPARK PLUG
Use a replacement Champion
air gap is 0.025 in. (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. Remove the six (6) screws
on the back of the engine cover with a Flat-head or T-25 Torx
screwdriver (Fig. 29).
2.
Grasp the plug wire firmly and pull the cap from the spark plug.
WARNING:
Do not sand blast, scrape or clean spark plug
electrodes. Grit in the engine could damage the cylinder.
3.
Clean dirt from around
the spark plug. Remove
the spark plug from the
cylinder head by turning a
5/8 in. socket
counterclockwise.
4.
Replace cracked, fouled
or dirty spark plug. Set
the air gap at 0.025 in.
(0.635 mm) using a feeler
gauge (Fig. 33).
5.
Install a correctly-gapped spark plug in the cylinder head. Turn
the 5/8 in. 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.
SPARK ARRESTOR MAINTENANCE
1.
Remove the rear engine cover. See Rocker Arm Clearance.
2.
With a flat blade screwdriver or Torx T-20 bit and a T-25 bit,
remove the screws attaching the spark arrestor cover to the
muffler (Fig. 39).
3.
Pull the tab on the spark
arrestor cover out of the
muffler. Remove the spark
arrestor cover.
4.
Remove the spark
arrestor screen from the
spark arrestor cover.
5.
Clean the spark arrestor
screen with a wire brush
or replace it.
6.
Reinstall the spark arrestor screen, spark arrestor cover and
screws.
CLEANING
WARNING:
To avoid serious personal injury, always
turn the 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.
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.
• 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.
®
#RDZ19H spark plug. The correct
0.025 in.
(0.635 mm)
Fig. 33
Spark Arrestor
Muffler
Screen
Cover
Slot
T-20 Screw
Fig. 39
MAINTENANCE & REPAIR INSTRUCTIONS
LONG TERM STORAGE
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 5
drops of 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.
Change the oil, referring to Changing the Oil. Dispose of the old
oil in accordance to Federal, State and Local regulations.
5.
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.
ELECTRIC START FEATURE
This unit is designed to be started with an optional electric starter. If
choosing to start the unit using the electric start feature please refer to
the Electric Starter operator's manual for correct starting procedure. If
you have any question please call 1-800-235-5878.
T-25
Screw
Item No.
316.85951 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Electric Starter
10

OPTIONAL ACCESSORY

Electric Start Feature
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