Stihl 064 Service Manual page 84

STIHL 064, 066
Top:
Throttle shutter fastening screw
Bottom:
Withdrawing throttle shaft with pliers
Removing the throttle and
choke shafts:
- Take out the fastening screw.
- Use suitable pliers to withdraw
the throttle shutter, or take away
the choke shutter.
Top:
Cross recess screw (1) and clip (2)
on throttle shaft
Bottom:
Retaining ring on choke shaft
- Unscrew the cross recess
screw and remove the clip on
the throttle shaft.
- Pry the retaining ring off the
choke shaft.
Round notch in choke shutter
- Pull the throttle shaft or choke shaft out
of the carburetor and take off the torsion
spring.
Installation is a reversal of the removal
sequence.
Note: After installing the throttle shaft or
choke shaft, check that torsion springs are
correctly positioned. The round notch in the
throttle and choke shutters must face the
metering chamber.
Coat fastening screws of choke and
throttle shutters with Loctite,see 12.2,
and tighten down securely.
- Install the carburetor - see 11.4.
84