Husqvarna 555 Workshop Manual - Page 37

If necessary, dismantle throttle valve T and choke - autotune

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7 Dismantle the pump cover H and carefully remove the control diaphragm J and gasket K. 8 Unscrew screw P and remove needle valve M with lever arm Q, shaft L and spring R. 9 Use a needle or similar device and carefully pull up the fuel screen (W). See figure 39. 10 If necessary, dismantle throttle valve T and choke valve U and air valve S, and remove the shafts with lever arms and springs (see figure 39). 11 If necessary, dismantle the AutoTune AB unit. See figure 39. L M P Repair Instructions H J K Q R Fig 38 English - 37

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English -
37
H
J
K
Q
R
L
M
P
Repair Instructions
7
Dismantle the pump cover H and carefully remove
the control diaphragm J and gasket K.
8
Unscrew screw P and remove needle valve M with
lever arm Q, shaft L and spring R.
9
Use a needle or similar device and carefully pull up
the fuel screen (W). See figure 39.
10
If necessary, dismantle throttle valve T and choke
valve U and air valve S, and remove the shafts with
lever arms and springs (see figure 39).
11
If necessary, dismantle the AutoTune AB unit. See
figure 39.
Fig 38