Bevel Gear; Air Filter - Husqvarna 128LX Manuel D'utilisation

2. Turn the idle speed screw (T) clockwise until the
cutting attachment starts to turn.
3. Turn the idle speed screw (T) counterclockwise until
the cutting attachment stops.
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.
Technical data on page 24 for the
Note: Refer to
recommended idle speed.
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.
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 parts of the cooling system are the air intake on the
starter (A), the cooling fins on the cylinder (B) and the
cylinder cover (C).
1. Clean the cooling system with a brush weekly or
more frequently if it is necessary.
A
2. Make sure that the cooling system is not dirty or
blocked.
22
B
C

Bevel gear

The bevel gear is filled with the correct quantity of
grease at the factory. Before you use the product, make
sure that the bevel gear is 3/4 full of grease. Use
Husqvarna special grease.
The grease in the bevel gear is replaced by your
servicing dealer.

Air filter

Remove dust and dirt from the air filter to keep it clean
and prevent these problems:
• Carburetor malfunctions.
• Problems when you start the product.
• Loss of engine power.
• Increased wear to engine parts.
• Too much fuel consumption.
To clean the air filter
1. Remove the air filter cover and remove the filter.
2. Hit the filter against a flat surface to make the
particles fall off.
CAUTION: Do not use solvent or
compressed air to clean the air filter.
3. Put the air filter back. Make sure that the air filter
fully seals against the air filter holder.
4. Put the air filter cover back.
Note: An air filter that is used for a long time cannot be
fully cleaned. Replace the air filter at regular intervals.
Always replace a damaged air filter.
To do a check of the spark plug
CAUTION: Use the recommended spark
plug. Refer to
An incorrect spark plug can cause damage
to the product.
1. If the product is not easy to start or to operate or if
the product operates incorrectly at idle speed,
examine the spark plug for unwanted materials. To
decrease the risk of unwanted material on the spark
plug electrodes, do these steps:
a) make sure that the idle speed is correctly
adjusted.
b) make sure that the fuel mixture is correct.
Technical data on page 24 .
1570 - 001 - 14.10.2020