Maintenance - Husqvarna 330LK Operator's Manual

To examine and clean the trimmer head
1. Push the tabs (A) to remove the lower half (B) of
the trimmer head.
D
A
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 that the
air filter cover is attached to the product.
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.
Note:
Technical data on page 21 for the
Refer to
recommended idle speed.
1660 - 003 - 29.09.2021
2. Remove the spool (C).
3. Remove and discard any pieces of trimmer line
and any unwanted material from the trimmer
head and spool.
4. Put the spool in the lower half.
5. Attach the top half (D). Make sure that all parts
are in the correct position and are correctly
aligned.
6. Turn the assembled trimmer head with your
hand. Make sure that the top and bottom halves
are fully closed and the tabs are fully engaged.
C 7. To replace the trimmer line see
trimmer line on page 15 .
A
B

Maintenance

To do a check of the muffler
The muffler keeps noise levels to a minimum and
points exhaust fumes away from the operator.
1. Stop the engine.
2. Examine the muffler for damage and defects.
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.
WARNING:
Do not use a product
that has a defective muffler.
WARNING:
Do not use the product
if the spark arrester screen on the
muffler is missing or defective.
WARNING:
The muffler becomes
very hot during and after operation and
also at idle speed. Use protective gloves
to prevent burn injuries.
WARNING:
The inner surfaces
of the muffler contain chemicals that
can cause cancer. Be careful not to
touch these elements if the muffler is
damaged.
To replace the
17