Spark Plug; Fuel Filter; Air Filter - Poulan Pro PR3816 Instruction Manual

Inspect and clean the unit and decals
After each use, inspect complete unit for loose or
damaged parts. Clean the unit and decals using a
damp cloth with a mild detergent.
Wipe off unit with a clean dry cloth.
Check the chain brake
See CHAIN BRAKE in the OPERATION section.
MUFFLER
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 if breaks
occur.
1. Loosen and remove the nut (A) from the
exhaust outlet cover (B).
2. Remove the exhaust outlet cover.
3. Remove the spark arresting screen (C). Handle
the screen carefully to prevent damage.
4. Clean the spark arresting screen gently with a
wire brush. Replace screen if breaks are found.
5. Replace any broken or cracked muffler parts.
6. Reinstall spark arresting screen, exhaust outlet
cover, and nut. Tighten nut securely to 25-35
in-lb.

SPARK PLUG

NOTE: For models sold in Canada, the spark
ignition system complies with the Canadian
standard ICES-002.
1. Loosen the three screws (A) on the cylinder
cover (B).
2. Remove the cylinder cover.
3. Pull off the spark plug boot (C).
4. Remove spark plug (D) from the cylinder and
discard.
5. Install a new spark plug (Brisk HQT-1•) and
tighten securely with a 3/4 inch (19 mm) socket
wrench to 15-25 ft-lb. The spark plug gap
should be 0.025 inch (0,6 mm).
6. Reinstall the spark plug boot.
7. Reinstall the cylinder cover and the three
screws. Tighten securely to 13-18 in-lb.

FUEL FILTER

To replace fuel filter, drain your unit by running it
dry of fuel. Remove fuel cap and its connected
retainer from tank. Pull filter from tank and remove
from line. Replace and reassemble.

AIR FILTER

CAUTION: Do not clean filter in gasoline or
other flammable solvent to avoid creating a fire
hazard or producing evaporative emissions.
A dirty air filter decreases the life and performance
of the engine and increases fuel consumption and
exhaust emissions. Always clean your air filter
according to the maintenance schedule. Clean
more frequently in dusty conditions.
A used air filter can never be completely cleaned.
It is advisable to replace your air filter with a new
one according to the maintenance schedule.
1. Loosen the three screws (A) on the cylinder
cover (B).
2. Remove the cylinder cover.
3. Remove the air filter cover (C) and air filter (D).
4. Clean the air filter using hot soapy water. Rinse
with clean cool water. Air dry completely before
reinstalling.
5. Reinstall the air filter and air filter cover.
6. Reinstall the cylinder cover and three screws.
Tighten securely to 13-18 in-lb.
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