Troubleshooting - Craftsman 536.772300 Operating Instructions Manual

4 horsepower 9 inch edger/trimmer
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• To remove gasoline,
run the engine
until the tank is empty and the engine
stops.
• If you do not want to remove gasoline
a fuel stabilizer
(such as Craftsman
fuel
stabilizer
No. 33500)
may be added to
any gasoline
left in the tank to minimize
gum deposits
and acids. If the tank is
almost empty, mix stabilizer
with fresh
gasoline
in a separate
container
and add
some to the tank. Always follow instruc-
tions on stabilizer
container.
Then run
engine at least 10 minutes
after stabilizer
is added to allow mixture to reach
carburetor.
Store Edger/Trimmer
in a
safe place. See CAUTION
under
STORAGE
on page 12.
• Store the Edger/Trimmer
in the wheels-
down, operating
position.
If the Edger/
Trimmer
is stored in any other position,
oil from the crankcase
could enter the
cylinder,
causing a service problem.
You can keep your engine in good operating
condition
during storage
by:
• Changing
oil.
• Lubricating
the piston/cylinder
area.
This can be done by first removing the
spark plug and squirting
clean engine
oil into the spark plug hole. Then cover
the spark plug hole with a rag to absorb
oil spray. Next, rotate the engine by
pulling the starter two or three times.
Finally, reinstall spark plug and attach
spark plug wire.
TROUBLE
CAUSE
CORRECTION
Difficult starting
Stale fuel
Drain fuel tank. Fill with fresh
fuel
or
Defective spark plug
Clean and re-gap spark plug
Clogged fuel line
Replace fuel filter
Engine runs
erratic
Blocked fuel line or empty fuel tank
Clean fuel line; check gas tank
Carburetor out of adjustment
Have carburetor adjusted
Fouled spark plug
Clean and adjust gap
Clogged air cleaner
Tap clean or replace air cleaner
Jammed due to foreign object
I Clear obstruction
Cutting blade
fails to turn
Loose blade
!Tighten
blade retaining nut
Defective belt
Replace V-belt
Defective quill bearings
Replace the quill assembly
Blade fails to cut
Damaged or worn blade
Reverse blade or replace blade
properly
Excessive
Loose parts
Stop engine immediately; tighten
vibration
air bolts. If vibration
continues,
take the unit into the nearest
Craftsman
Service Center
13

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