Replace Spark Plug; Carburetor Adjustments - Poulan Pro 530163031 Instruction Manual

INSPECT MUFFLER AND SPARK
ARRESTING SCREEN
WARNING:
The muffler on this prod-
uct contains chemicals known to the State of
California to cause cancer.
WARNING:
Avoid touching muffler
unless engine and muffler are cold. A hot
muffler can cause serious burns.
As the unit is used, carbon deposits build up
on the muffler and spark arresting screen,
and must be removed to avoid creating a fire
hazard or affecting engine performance.
Replace the spark arresting screen every 50
hours of operation or if any damage or breaks in
the screen are noted.
NOTE:
Do not attempt to clean the spark ar-
resting screen.
1. Loosen and remove two screws from the
heat shield. Remove the heat shield.
2. Loosen and remove both muffler screws
and the muffler from the unit.
Screws
Heat
Shield
Muffler
3. Remove the spark arresting screen.
Spark
Arresting
Screen
Muffler with catalyst
4. Install new spark arresting screen.
5. Reinstall muffler and both muffler screws.
Tighten screws securely.
6. Reinstall heat shield and two screws.
Tighten screws securely.
NOTE:
If any part of the muffler is cracked,
broken or damaged, we recommend that the
muffler be replaced.

REPLACE SPARK PLUG

Replace spark plug each year to ensure the
engine starts easier and runs better. Set
spark plug gap at 0.020 inch. Ignition timing is
fixed, nonadjustable.
1. Twist, then pull off spark plug boot.
2. Remove spark plug from cylinder and dis-
card.
3. Replace with Champion RCJ-6Y spark
plug and tighten securely with a 3/4 inch
socket wrench.
4. Reinstall the spark plug boot.

CARBURETOR ADJUSTMENTS

Your carburetor is equipped with limiter caps.
Carburetor adjustment is a complicated task.
Screws
We recommend that you take your unit to an
authorized service dealer. Damage may occur if
you turn the needles beyond the limiter stops.
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