Troubleshooting Schedule - Husqvarna 135 Operator's Manual

Troubleshooting schedule

Starting failure
Check
Starter pawls
Fuel tank
Carburettor
Sparking (no spark)
Spark plug
Engine starts but does not stay running.
Check
Fuel tank
Carburettor
Air filter
Fuel filter
Contact your dealer for more information.
30 – English
MAINTENANCE
Possible Cause
Binding pawls
Incorrect fuel type
Adjustment of the idle speed
Spark plug contaminated or wet
Spark plug gap incorrect.
Spark plug loose.
Possible Cause
Incorrect fuel type
Engine will not idle properly.
Clogged air filter
Clogged fuel filter
Action
Adjust or replace the pawls.
Clean around the pawls.
Contact an authorised service
workshop.
Drain it and use correct fuel.
Adjust the idling speed with the T-
screw.
Make sure that the spark plug is dry
and clean.
Clean the spark plug. Check that the
electrode gap is correct. Make sure
that the spark plug is fitted with a
suppressor.
Refer to technical data for correct
electrode gap.
Retighten the spark plug
Possible action
Drain it and use correct fuel.
Contact your service agent.
Clean the air filter.
Replace the fuel filter.
1158605-38 Rev. 2 2016-09-19