Husqvarna 535FBX Operator's Manual page 21

5. Push the throttle cam with your finger.
6. If the throttle cam moves, adjust the throttle wire.
a) Turn the adjustment screw clockwise.
b) Push the throttle cam with your finger. If the
throttle cam does not move, the throttle wire is
correctly adjusted.
7. Install the cylinder cover and do a check of the idle
speed.
To do a check of the muffler
WARNING: Do not use a product that has a
defective muffler or a muffler that is in bad
condition.
WARNING: Do not use the product if the
spark arrester screen on the muffler is
missing or defective.
1. Examine the muffler for damages and defects.
1301 - 003 - 20.11.2019
2. Make sure that the muffler is correctly attached to
the product.
3. If your product has a special spark arrester screen,
clean the spark arrester screen weekly.
4. Replace a damaged spark arrester screen.
CAUTION: If the spark arrester screen is
blocked, the product becomes too hot and
this causes damage to the cylinder and
piston.
Cooling system
The product has a cooling system to keep the operation
temperature as low as possible.
Clean the components of the cooling system with a
brush weekly or more frequently in rougher conditions. A
dirty or blocked cooling system makes the product too
hot which causes damage to the piston and cylinder.
The cooling system has the following components:
1. Air intake on the starter.
2. Cooling fins on the cylinder.
3. Cylinder cover.
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