Troubleshooting - Husqvarna K 770 Vac Operator's Manual

Fuel filter
The fuel filter is installed in the fuel tank. The fuel filter
prevents contamination of the fuel tank when the fuel
tank is filled. The fuel filter must be replaced yearly or
more frequently if it is clogged.
CAUTION: Do not clean the fuel filter.
To examine the air filter
CAUTION: Be careful when you remove the
air filter. Particles that fall into the carburetor
inlet can cause damage.
Examine the air filter if the engine power decreases.
1. Loosen the 3 screws on the air filter cover.
2. Remove the air filter cover.
3. Examine the air filter. If it is necessary, replace the
To replace the air filter on page
air filter. Refer to
27 .
4. Replace the air filter cover.
5. Tighten the 3 screws.
To replace the air filter
CAUTION: Do not clean the air filter with
compressed air. The air filter is made of
paper and is easily damaged.
Troubleshooting schedule
WARNING: Make sure that the engine is off
and the stop switch is in the STOP position
705 - 002 - 12.11.2018
Note: Replace the service filter only when it is damaged.
Note: The air filter must not be cleaned or blown clean
with compressed air. This will damage the filter.
1. Loosen the 3 screws on the air filter cover.
2. Remove the air filter cover.
3. Loosen the 2 screws on the air filter pulley and
remove it.
4. Remove the air filter.
5. Install the new air filter.
6. Replace the air filter pulley.
7. Tighten the 2 screws.
8. Replace the air filter cover.
9. Tighten the 3 screws.

Troubleshooting

CAUTION: Unhealty dust can be spread out
during filter change. Wear approved
respiratory protection. Dispose filters
correctly.
before maintenance and troubleshooting,
unless the instructions tell you differently.
27