Tillotson Hs 260 A; Walbro Hda And Hd - Husqvarna 36 Workshop Manual

Tillotson HS 260 A

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 "semi fixed jet" (K). See page 85.

Walbro HDA and HD

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 plug (J). See page 85.
7. If necessary remove the throttle and choke
valves as well as the shafts, lever arms and
springs.
CARBURETTOR
D
J
C
B
A
D
G
F
E
E
F
G
H
H K
A
B
H
C
J
English –
87