Stihl FS 94 Instruction Manual page 61

1
: Remove the torsion spring (1).
– Inspect the throttle trigger, lever,
lockout lever and torsion springs,
replace if necessary.
– Check the adjusting wheel and
replace if necessary, b 9.5
– Inspect the stop switch lever and
replace if necessary, b 9.4
– Check the throttle cable and
adjust or replace if necessary,
b 9.6
– Inspect the contact springs and
replace if necessary, b 6.6.3
– Check the handle moldings and
replace if necessary.
Installing
2
1
: Fit the torsion spring (1) on the
pivot pin (2) so that its lower, bent
leg butts against the web (arrow)
on the left.
60
1
: Turn the upper leg (1) of the
torsion spring counterclockwise
and push it behind the web
(arrow)
– torsion spring is now
pretensioned in its seat.
1
2
: Push the lockout lever (1) onto
the pivot pin (2) so that it fits past
the upper leg of the torsion
spring.
1
: Attach the torsion spring (arrow)
to the lockout lever (1).
1
: Push the lockout lever (1) onto
the pivot pin and turn it
counterclockwise until it engages
the rib (arrow)
– the lockout lever is now
pretensioned.
3 4 2 1
: Push the straight leg (1) into the
opening (arrow) and fit the torsion
spring (2) in position.
: Tension the hooked leg (3)
counterclockwise and fit it behind
the stop (4).
Series 4149 Powerhead