Husqvarna 572XPG - Maintenance - Page 37

English - 37
5. Assemble needle valve (K) with lever arm (M), shaft
(J) and spring (N), and tighten screw (L)(Fitthe
expansion washer). See gure 14.
6. Check that the lever arm (M) is 0.05-0.25 mm under
the plane of the gasket surface using a ruler or the
like. If necessary, the lever arm can be bent. See
gure 15.
Fig 14
M
N
J
K
L
M
Fig 15
7. Fit gasket (K), the metering diaphragm (J) and the
metering cover (H). See gure 16.
8. Carry out a pressure test. See chapter
Troubleshooting.
14.7 Adjustment of AutoTune at
change of carburettor
The chainsaw will be completely adjusted automatically
after a few minutes at normal running.
- The high speed part is set during loaded running, such
as cutting and felling.
- The idle part is set when the chainsaw idles for some
time.
Fig 16
Carburettor