Husqvarna 1018855-26, 965030298 manual Tillotson HS 228 B, Tillotson HS 255 B, Carburettor, English

CARBURETTOR

Tillotson HS 228 B

1.Remove the cover (A) over the metering unit and carefully remove the control diaphragm (B) with the gasket.

2.Undo the screw (H) and take out the needle valve (C) with lever arm, shaft and spring.

3.Remove the cover (E) over the pump unit and carefully remove the gasket (F) and the pump diaphragm (G).

4.Using a needle or the like carefully remove the fuel screen (D).

5.Unscrew the high and low speed jet screws.

6.Remove the plugs (J). See page 85.

7.If necessary remove the throttle and choke valves as well as the shafts, lever arms and springs.

E

F

G

D

J

C

H

B

A

Tillotson HS 255 B

1.Remove the cover (A) over the metering unit and carefully remove the control diaphragm (B) with the gasket.

2.Undo the screw (H) and take out the needle valve (C) with lever arm, shaft and spring.

3.Remove the cover (E) over the pump unit and carefully remove the gasket (F) and the pump diaphragm (G).

4.Using a needle or the like carefully remove the fuel screen (D).

5.Unscrew the high and low speed jet screws.

6.Remove the plugs (J). See page 85.

7.If necessary remove the throttle and choke valves as well as the shafts, lever arms and springs.

8.Remove the speed governor (I). (Only 272K, 268K and 272S).

DE

F

G

I

J

H

C

H K

B

A

9. Remove the ”semi fixed jet” (K). See page 85.

86 – English