Husqvarna 535FBX Operator's Manual page 20

Maintenance
Examine the engine, the fuel tank and the fuel lines for leaks.
Clean the cooling system.
Examine the starter and the starter rope for damages.
Examine the vibration damping elements for damages and cracks.
Clean the outside of the spark plug. Remove it and do a check of the electrode
gap. Adjust the gap to the correct distance (refer to
on page 22 ) or replace the spark plug. Make sure that the spark plug is fitted
with a suppressor.
Clean the outside of the carburettor and the space around it.
File off any burrs from the edges of the bar.
Clean or replace the spark arrestor mesh on the muffler.
Clean the fuel tank.
Do a check of the fuel filter for contamination and the fuel hose for cracks or oth-
er defects. Replace if neccessary.
Do a check of all cables and connections.
Do a check of the clutch, clutch springs and the clutch drum for wear. Replace if
neccessary by an autorized service workshop.
Replace the spark plug. Make sure that the spark plug is fitted with a suppres-
sor.
To adjust the idle speed
1. Make sure that the air filter is clean and the air filter
cover is attached before you adjust the idle speed.
2. Start the product. Refer to
3. Adjust the idle speed with the idle adjustment screw
T which is identified with "T" mark. Turn the idle
adjustment screw clockwise until the saw chain
starts to turn.
T
4. Turn the idle adjustment screw counterclockwise
until the saw chain stops.
20
To examine the spark plug
Air filter on page 22
The idle speed is correct when the engine operates
smoothly in all positions. The idle speed must be below
the speed when the saw chain starts to turn.
WARNING: If the saw chain does not stop
when you adjust the idle speed, turn to your
nearest servicing dealer. Do not use the
product until it is correctly adjusted or
repaired.
Technical data 535FBX on page 29 for
Note: Refer to
the recommended idle speed.
To adjust the throttle wire
Note: The throttle wire must be adjusted after 100 hours
of operation or if the engine does not operate correctly.
1. Make sure that the idle speed is correctly adjusted,
To adjust the idle speed on page 20 .
refer to
2. Stop the engine.
3. Remove the cylinder cover.
4. Push and hold the throttle trigger fully.
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