5. Clean the inner surface of the air filter cover. Use
compressed air or a brush.
6. Do a check of the rubber seal on the air filter.
Replace the air filter if the rubber seal is damaged.
7. Make sure that the air filter is dry before you install it.
Bevel gear
The bevel gear is filled with the right quantity of grease
at the factory. But, before you use the product, make
sure that the bevel gear is 3/4 full with grease. Use
Husqvarna special grease.
The grease in the bevel gear does not need to be
changed unless repairs are carried out.
Troubleshooting
The engine does not start
Check
Possible cause
Procedure
Stop switch.
The stop switch is in the stop position.
Set the stop switch to the start position.
Starter pawls.
The starter pawls cannot move freely.
Remove the starter cover and clean around
the starter pawls.
Let an approved service agent help you.
Fuel tank.
Incorrect fuel type.
Drain the fuel tank and fill with correct fuel.
Spark plug.
The spark plug is dirty or wet.
Make sure that the spark plug is dry and
clean.
The spark plug electrode gap is incorrect.
Clean the spark plug. Make sure that the
electrode gap is correct. Make sure that the
spark plug has a suppressor.
Refer to technical data for correct electrode
gap.
The spark plug is loose.
Tighten the spark plug.
Carburetor.
The idle speed is incorrectly adjusted.
Adjust the idle speed.
Fuel filter.
The fuel filter is clogged.
Replace the fuel filter.
The engine starts but stops again
Check
Possible cause
Procedure
Fuel tank.
Incorrect fuel type.
Empty the fuel tank and fill it with cor-
rect fuel.
Air filter.
The air filter is clogged.
Clean the air filter.
Carburetor.
The engine does not operate correct-
ly at idle speed.
Let an approved service agent help
you.
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Summary of Contents for 525LS Mark II
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