To Adjust The Idle Speed; To Clean The Muffler - Husqvarna 545FR Manual Del Usuario

Maintenance
Clean the external surface of the carburetor and the area around it.
Make sure that the bevel gear is filled to ¾ with grease.
Examine the fuel filter for contamination and the fuel hose for cracks and other
defects. Replace if it is necessary.
Examine all cables and connections.
Examine the clutch, clutch springs and clutch drum for wear. Replace it if it is
necessary.
Replace the spark plug.
Clean or replace the spark arrester screen.
Lubricate the drive shaft.

To adjust the idle speed

Your Husqvarna product is made to specifications that
decrease harmful emissions.
1. Make sure that the air filter is clean and the air filter
cover is attached before you adjust the idle speed.
2. Adjust the idle speed with the idle speed screw T
which is identified with "T" mark.
a) Turn the idle speed screw T clockwise until the
cutting attachment starts to rotate.
b) Turn the idle speed screw T counterclockwise
until the cutting attachment stops.
WARNING: If the cutting attachment
does not stop when you adjust the idle
speed, speak to your servicing dealer.
Do not use the product until it is correctly
adjusted or repaired.
3. The idle speed is correct when the engine operates
smoothly in all positions. The idle speed must be
below the speed when the cutting attachment starts
to rotate.
2
At an interval of 3 months.
1018 - 005 - 08.06.2020
2
Technical data on page 29 for the
Note: Refer to
recommended idle speed.
To adjust the start throttle speed
(545FR, 545RX, 545RXT)
1. Apply idle speed to the product.
2. Push the start throttle lock. Refer to
overview on page 2 .
3. If the start throttle speed is less than 4000 rpm, turn
the adjuster screw (A) clockwise. When the cutting
attachment starts to rotate, turn the adjuster
screw (A) 1/2 turn clockwise.
4. If the start throttle speed is more than 6500 rpm, turn
the adjuster screw (A) counterclockwise. When the
cutting attachment starts to rotate, turn the adjuster
screw (A) 1/2 turn.

To clean the muffler

WARNING: The muffler gets very hot during
and after operation, also at idle speed. Risk
of fire and burn injuries.
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