Husqvarna K970 III Workshop Manual page 41

6.6.8 To examine the fuel strainer
1. Examine the fuel strainer with a magnifying glass.
2. Remove loose dirt particles from the needle valve
seating with air.
Replace the fuel strainer if it is damaged. Remove the
fuel strainer and install a new one with a 7 mm pin
punch.
6.6.9 To clean the carburetor channels
1. Disassemble the chamber diaphragm, the pump
diaphragm and the needle valve.
2. Open the choke valve to give free airflow through
the venturi.
1444 - 001 - 02.04.2020
3. Clean the channels with compressed air. The rings
in the illustration below show where to blow clean.
6.6.10 To examine the valve axles
Leakage from the valve axles results in incorrect fuel/air
mixture and dust in the engine.
1. Make sure there is no radial play on the valve axles.
2. Replace parts if necessary.
Repair and servicing - 41