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TROUBLESHOOTING
Troubleshooting table
Always stop unit and !
| L_ a. oft"._d re,._ieabelow|
| except r_equire operation of |
the unit.
Problem
Engine will not start or will only run
a few seconds after starting.
Engine will not idle properly.
Engine will not accelerate, lacks
power or dies under a load.
Engine smokes excessively.
Chain moves at idle speed.
Cause
1. Ignition switch off.
2. Engine flooded.
3. Fuel tank empty.
4. Spark plug not firing.
5. Fuel not reaching
carburetor
1. Idle speed requires
adjustment.
2. Carburetor requires
adjustment.
1. Air filter dirty.
2. Spark plug fouled.
3. Chain brake engaged.
4. Carburetor requires
adjustment.
1. To much oil mixed with
gasoline.
1. Idle speed requires
adjustment.
2. Clutch requires repair.
Solution
1. Move ignition switch to ON.
2. See "Start" in the STARTING
AND STOPPING" 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 "Fine adjustment of the
idling speed T" in the
MAINTENANCE section.
2. Contact an authorized service
dealer.
1. Clean or replace air filter.
2. Clean or replace plug and regap.
3. Disengage chain brake.
4. Contact an authorized service
dealer.
1. Empty fuel tank and refill with
correct fuel mixture.
1. See "Fine adjustment of the
idling speed T" in the
MAINTENANCE section.
2. Contact an authorized service
dealer.
1154939-49 Rev.1 2012-05-05 English - 31
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