6
Blade shield
Blade
Washers
Blade nut
Blade Shaft
S
Install new blade and the flat washer over
the threaded shaft extending from the gear-
box.
S
Now place the cupped washer onto the
shaft. Make sure the cupped side of the
washer is toward the blade.
S
Install the blade nut by threading onto the
shaft counterclockwise.
S
Push in locking lever and hold.
S
Rotate blade nut until the locking lever falls
into one of the grooves in the dust cup.
S
Continue to hold in locking lever. This will
keep the shaft from turning while tightening
the blade nut.
S
Tighten blade nut firmly with a wrench.
S
Release locking lever.
CARBURETOR ADJUSTMENTS
Your carburetor is equipped with limiter caps.
Damage will occur if you turn the needles be-
yond the limiter caps. Carburetor adjustment is
a complicated task. We recomm end that you
take your unit to an Authorized Service Dealer.
IGNITION TIMING
Ignition timing is fixed, non-adjustable.
SPARK PLUG
Replace spark plug yearly with a Champion
RC J- 8Y plug; spark plug gap is 0.025 inch.
TROUBLE CAUSE REMEDY
Engine will not
start.
S
Engine flooded.
S
Fuel tank empty.
S
Spark plug not firing.
S
Fuel not reaching
carburetor.
S
Carburetor requires
adjustment.
S
See “Starting.”
S
Fill tank with correct fuel mixture.
S
Install new spark plug.
S
Check for dirty fuel filter; replace.
Check for kinked or split fuel line;
repair or replace.
S
Contact your Service Dealer.
Engine will not
idle properly.
S
Carburetor requires
adjustment.
S
Throttle trigger screw
too tight.
S
See “Carburetor Adjustments.”
S
Loosen screw.
S
Air filter dirty.
S
Spark plug fouled.
S
Carburetor requires
adjustment.
Engine will not
accelerate,
lacks power, or
dies under a
load.
S
Clean or replace air filter.
S
Clean or replace spark plug
and re-gap.
S
See “Carburetor Adjustments.”
Engine smokes
excessively.
S
Fuel mixture incorrect.
S
Air filter dirty.
S
Carburetor requires
adjustment.
S
Empty fuel tank and refill with
correct fuel mixture.
S
Clean or replace air filter.
S
See “Carburetor Adjustments.”
TROUBLESHOOTING TABLE
WARNING:
Always stop unit and disconnect spark plug before performing any
of the recommended remedies below other than remedies that require operation of
the unit.
(2 pages)
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