Poulan PRO 305 - Manual (Page 21)

©.TROUBLE SHOOTING CHART
SYMPTOM CAUSE REMEDY
Engine will not
start or will run
only for a few
seconds after
starting.
1. Fuel tank empty
2. Engine floods.
3. Spark plug not firing,
4. Fuel not reachin|r carburetor.
5. Carburetor requires adjustment.
6. Ignition Switch Oft
7. None of the above.
1. Fill tank with correct fuel mixture
2. See “Starting Instructions.”
3. Install new^ug/check ignition system.
4. Clean fuel mter; inspect fuel line,
5. See “Carburetor Adjustments.”
6. Move switch to the ^START” position.
7. Contact your Service Dealer.
Engine will not
idle properly.
1. Idle speed set too fast or too slow.
2. I^wsp^d mixture requires adjustment.
3. Crankshaft seals worn.
4. Compression low.
5. None of the above.
1. See “Carburetor Adjustments.”
2. See “Carburator Aiyustments.”
3. Contact your Authorized Service Dealer.
4. Contactyour Authorized Service Dealer.
5. Contact your Authorized Service Dealer.
Engine will not
accelerate,lacks
power, or dies
under a load.
1. Air filter dirty.
2. Spark plug fouled.
3. Carburetor requires adjustment.
4. Exhaust ports or muffier outlets plugged.
5. Compression low.
6. None of the above.
1. Clean or replace air filter.
2i Clean or replace spark plug and re-gap.
3. See “Carburetor Adjustments.”
4. Contact your Authorized Service Dealer.
5. Contact your Authorized Service Dealer.
6. Contact your Authorized Service Dealer.
Engine
smokes
excessively.
1. Air filter dirty.
2. Fuel mixture incorrect.
3. High speed mixture requires adjustment.
4. Choke partially on.
5. Crankcase leak.
1. Clean or replace air filter.
2. Refuel with correct fuel mixture.
3. See “Carburetor Adjustments.”
4. Push Choke knob in.
5. Contact your Authorized Service Dealer.
-Engine runs hot. 1. Fuel mixture incorrect.
2. High speed mixture set too low (Lean).
3. Spark plug incoiroct.
4. jSdiaust ports or muffler outlets plug^.
5. Carbon build-up on muffler outlet screen.
6. Fan housing/iyimder fins dirty.
7. None of the above.
1. See “Fueling Your Unit.”
2. See “Carburetor Adjustments.”
3. Replace with correct plug.
4. Contact your Authorized Service Dealer.
5. Clean spark arrestor screen.
6. Clean area.
7. Contact your Authorized Service Dealer.
Oil inacquate for
bar and chain
lubrication.
1. Oil tank empty.
2. Improperly a^'usted oiler (if so equipped).
3. Oil pump or oil filter clogged.
4. Guide bar oil hole blockedf.
1. Fill oil tank.
2. Adjust oiler,
3. Contact your Authorized Service Dealer.
4. Remove bar and clean.
Chain moves at
Idle Speed.
1. Idle speed requires adjustment.
2. Clutch requires repair.
1. See “Carburetor Adjustments.”
2. Contact yoxir Authorized Service Dealer.
Chain does not move
when engine is
acceleial^.
1. Chain tension too tight.
2. Carburetor requires a^ustment.
3. Guide bar rails pinched.
4. Clutch slipping.
1. See “Chain Tension.”
2. See “Carburetor Adjustnients,”
3. Repair or replace.
4. Contact your Authorized Service Dealer.
Chain clattei^
or cuts roughly
1. Chain tension incorrect.
2. Cutters damaged.
3. Chainwom.
4. Clutters dull, improperly sharpened, or
depth gauges too high.
i5. Sprocket worn.
1. See “Chain Tension.”
2. Contact your Authorized Service Dealer.
3. j^sharpen or replace chain.
4. See the chain sharpening instructions.
5. Contact your Authorized Service Dealer.
Chain stops within
the cut.
1. Chain cutter tops not filed flat.
2. Guide bar burred or bent; rails uneven.
3. Clutch slipping.
1. See the chain sharpening instructions.
2. Repair or repleice guide bar.
3. Contact your Authorized Service Dealer.
Chain cuts at an
angle.
1. Cuttera damaged on one side.
2. Chain dull on one side.
3. Guide bar bent or worn.
1. Resharpen until all cutters have equal
angles and lengths,
2. Resharpen until all cutters have equal
angles and lengths.
3. Replace guide bar.
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