Husqvarna 543 RBK, Operator'S Manual

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Maintenance Daily Weekly Monthly
Do a check of the clutch, clutch springs and the clutch drum for wear. If it is nec-
essary to replace 1 or more of these units, speak to your servicing dealer.
X
Replace the spark plug. Make sure that the spark plug has a supressor. X
Examine and clean the spark arrestor mesh on the muffler. X
To adjust the idle speed
Your Husqvarna product is made to specifications that
decrease harmful emissions.
• Make sure that the air filter is clean and the air filter
cover is attached before you adjust the idle speed.
• Adjust the idle speed with the idle adjustment screw
T which is identified with "T" mark.
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.
• 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 turn.
1. Turn the idle adjustment screw clockwise until the
cutting attachment starts to turn.
2. Turn the idle adjustment screw counterclockwise
until the cutting attachment stops.
Note: Refer to
#
for the recommended idle speed.
To clean the cooling system
CAUTION: A dirty or blocked cooling system
can make the product too hot, which can
cause damage to the product.
The cooling system includes:
• The cooling fins on the cylinder (A).
• The air intake (B).
A
B
B
• Make sure that the cooling system is not dirty or
blocked.
• Clean the cooling system with a brush weekly or
more frequently if it is necessary.
To clean the air filter
CAUTION: An air filter that is damaged must
always be replaced.
If you use an air filter for a long time, it cannot be fully
cleaned. Replace the air filter with a new one at regular
intervals.
1. Remove the air filter cover and remove the air filter.
2. Clean the air filter with compressed air.
3. Clean the inner surface of the filter cover. Use air or
a brush.
4. Make sure that the filter is dry.
Fuel filter
When the engine runs short of fuel, make sure that the
air hole in the fuel tank cap and the fuel filter (A) are
clean.
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