Stihl 029, 039 - Page 65

STIHL 029, 039 65
- After fitting the throttle shaft,
check that the torsion spring is
correctly positioned.
- Fit the throttle shutter, round
notch first, with the small bore
pointing to the throttle lever.
- Coat the fastening screw with
Loctite, - see 12.2, and tighten
down firmly.
Removing choke shaft:
Note: For machines with automatic
choke - see 11.6.10.
- Unscrew choke shutter fastening
screw. Remove the choke shutter.
- Pry the E-clip off the end of the
choke shaft and withdraw the
shaft from the carburetor.
- Remove the torsion spring.
Top:
Fitting throttle shutter
Bottom:
Choke shutter fastening
screw
Top:
Correct position of torsion spring
(Zama)
Bottom:
Correct position of torsion spring
(Walbro)
Top:
Withdrawing choke shaft
Bottom:
Removing the torsion spring