Air Filter - Husqvarna 545FR Manuel D'utilisation

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.
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.
5 mm
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.
1. If the muffler on your product has a spark arrester
screen, clean it weekly with a steel brush. Replace
the spark arrester screen if it is damaged.
24
Product
A
CAUTION: A blocked spark arrester screen
causes the engine to become too hot and
results in damage to the cylinder and piston.
CAUTION: If the spark arrester screen is
frequently blocked, let your service agent
examine the muffler.
To clean the cooling system and starter
pawls
The cooling system includes:
• The air intake on the starter (A)
• The fins on the flywheel (B)
• The cooling fins on the cylinder (C)
• The cylinder cover (D)
• The starter pawls (E) that are found on the flywheel
Clean the cooling system weekly or more frequently if it
is necessary.
1. Remove the starter cover and the cylinder cover.
2. Clean the cooling system with a brush.
3. Examine the starter pawls and area around them for
dirt.
4. Clean around the starter pawls with a brush, to make
sure that they can move freely.

Air filter

Remove dust and dirt from the air filter to keep it clean in
order to prevent:
• Carburettor malfunctions.
• Starting problems.
• Loss of engine power.
• Unnecessary wear to engine parts.
• Too much fuel consumption.
Clean the air filter at an interval of 25 hours, or more
regularly if conditions are unusually dusty.
To do a check of a paper air filter (545FR,
545RX, 545RXT)
1. Remove the air filter cover.
D
C
E
A
B
1018 - 003 - 20.11.2019