Husqvarna 3120 XP Workshop Manual - Page 88

Walbro WG, Walbro WJ

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Page 88 highlights

CARBURETTOR Walbro WJ 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 D 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). J 4. Using a needle or the like carefully remove the fuel screen (D). C 5. Unscrew the high and low speed jet screws. 6. Remove the plug (J). See page 85. B 7. If necessary remove the throttle and choke A valves as well as the shafts, lever arms and springs. 8. Remove the "semi fixed jet" (K). See page 85. E F G K H Walbro WG A 1. Remove the cover (A) over the metering B unit and carefully remove the control diaphragm (B) with the gasket. 2. Undo the screw (H) and take out the H needle valve (C) with lever arm, shaft and C spring. K 3. Remove the cover (E) over the pump unit and carefully remove the gasket (F) and J the pump diaphragm (G). 4. Using a needle or the like carefully remove the fuel screen (D). 5. Unscrew the low speed jet screws. 6. Remove the plugs (J). See page 85. D 7. If necessary remove the throttle and choke valves as well as the shafts, lever arms G and springs. F 8. Remove the "semi fixed jet" (K). See page 85. E 88 - English

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88
– English
CARBURETTOR
Walbro WG
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 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 WJ
A
B
H
E
F
G
J
C
K
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.
8.
Remove the ”semi fixed jet” (K). See page 85.
D
D
G
F
E
A
B
H
C
K
J