Troubleshooting - Poulan S1970 Manual De Instrucciones

ENGINE
• Remove spark plug and pour 1 teaspoon
of 40:1. 2-cycle engine oil (air cooled)
through the spark plug opening. Slowly
pull the starter rope 8 to 10 times to distrib-
ute oil.
• Replace spark plug with new one of rec-
ommended type and heat range.
• Clean air filter.
• Check entire unit for loose screws, nuts,
and boIts. Replace any damaged, broken,
or worn parts.
• At the beginning of the next season, use
only fresh fuel having the proper gasoline
to oil ratio.
OTHER
• Do not store gasoflne from one season to
another.
• Replace your gasoline can if it starts to
rust.
TROUBLESHOOTING TABLE
_, WARNING:
Always stop unit and disconnect spark plug before performing all of
the recommended remedies below except remedies that require operation of the unit.
TROUBLE REMEDY
Engine will not
start or will run
only a few
seconds after
starting.
CAUSE
1. ignition switch off,
2. Engine flooded.
3. Fuel tank empty.
4. Spark plug not firing.
5. Fuel not reaching
carburetor.
1. Move ignition switch to ON.
2. See "Difficult Starting" in
Operation Section.
3. Fill tank with correct fuel mixture.
4. Install new spark plug.
5. Check for dirty fuel filter; replace.
Check for kinked or split fuel line;
repair or replace.
1. See "Carburetor Adjustment" in the
Service and Adjustments Section.
2. Contact an authorized service dealer.
Engine will 1. Idle speed requires
not idle adjustment.
properly. 2. Carburetor requires
adjustment.
Engine will not 1. Air fitter dirty. 1. Clean or replace air filter.
accelerate. 2. Spark plug fouled. 2. Ctean or replace plug and regap.
lacks power. 3. Chain brake engaged. 3. Disengage chain brake.
or dies under 4. Carburetor requires 4. Contact an authorized service dealer.
a load. adjustment.
Engine 1. Too much oil mixed with 1. Empty fuel tank and refill with
smokes gasoline, correct fuel mixture.
excessively.
Chain moves 1. Idle speed requires 1. See "Carburetor Adjustment" in the
at idle speed, adjustment. Service and Adjustments Section.
2. Clutch requires repair. 2. Contact an authorized service dealer.
17