Husqvarna 543 XP Workshop Manual page 39

4. Assemble needle valve M with lever arm Q,
shaft L and spring R, and tighten screw P.
See figure 40.
5. Check using a ruler or the like that the lever is
level with the assembly plane on the cover.
If necessary, the lever arm can be bent, see
figure 41.
7. Fit gasket K, the control membrane J and the
pump cover H. See figure 42.
8. Carry out a pressure test. See "Pressure testing
the carburettor".
L
M
Fig 40
Fig 41
Fig 42
Repair Instructions
P
Q
R
H
J
K
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