Stihl 020 T - Page 52

STIHL 020 T 52
• After fitting the throttle shaft,
check that the torsion spring is
correctly positioned.
Removing the choke shaft
• Disconnect the torsion spring
(1) from the groove in the throttle
shaft (2).
• Pull out the choke shaft.
• Remove the torsion spring (1).
• Position the choke shutter so that
the outer hole (1) points towards
the metering end cover (2) and the
inner hole (3) towards the torsion
spring (4).
• Coat the fastening screw with
Loctite, see 11.2, and tighten
down firmly.
• Carry out the leakage test –
see 10.2.2.
• Install the carburetor - see 10.2.1.
• Unscrew the choke shutter
fastening screw.
• Remove the choke shutter.
• Fit the throttle shutter so that the
hole (1) is at the same side as the
torsion spring (1) and the larger
notch (3) points towards the fuel
pump end cover (4).
• Coat thread of fastening screw
with Loctite, see 11.2, and tighten
it down firmly.
• Remove the E-clip.