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Adjusting Nuts
SPARK ARRESTOR
MAINTENANCE
Rocker Arms
INTAKE
Inspect the spark arrestor per the Maintenance
Schedule.
1.
Remove the rear engine cover. See ReckerArm
Clearance.
2.
With a flat blade screwdriver, or a Torx T-20 bit and a T-25 bit, remove
the 2 screws attaching the spark arrestor cover to the muffler (Fig. 35).
EXHAUST
FeelerGauge
/
(_
Spark Plug HoNe
@
Fig. 32
Adjusting
Nut _,_
.003-.006
in.
(.076-.152
ram)
Intake
Valve
Stem
Rocker
Arm
Feeler
Gauge
Vamve Stem
Fig. 33
REPLACING
THE SPARK PLUG
_
ARNING:
Do not sand blast, scrape or clean electrodes.
Grit
in the engine could damage the cylinder.
Use a Champion RDZ4H or a replacement
part number 753=05784 spark
plug. The correct air gap is 0.025 in. (0.635 mm.). Remove the plug and
check its condition per the Maintenance
Schedule.
1.
Stop the engine and allow it to cool. Remove the eight (8) screws on the
back of the engine cover with a Flat-head or T-25 Torx screwdriver (Fig. 30).
2.
Grasp the plug wire firmly and pull the cap from the spark plug.
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. 34).
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.olb. (12.3=13.5 Nora}
Do not over tighten.
0.025
in.
(0.635 ram)
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Fig. 34
Muffler
Spark Arrestor
Cover
1"-25 Screw
_
T-20 Screw
Fig. 35
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
_
ARNING:
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.
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.
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 seven (7) screws on the back of
the engine cover with a Flat-head or T-25 Torx screwdriver.
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 blower 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.
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