10.9.2 Valve - Stihl SR 430 Manual

: Press in the buttons (arrows).
: Pull off the nozzle (1).
1
: Pull off the metering knob (1).
2
1
– Inspect the nozzle (1) and
metering knob (2) and replace if
necessary
– Reassemble in the reverse
sequence.
SR 430, SR 450
Version with pressure pump
1
The supplied metering knobs with
metering ranges of 0.50–0.80 and
1.0–2.3 must be used in machines
with a pressure pump.
1
: Pull off the metering knob (1).
2
3
1
– Inspect the nozzle (1), metering
knob (2) and sealing ring (3) and
replace if necessary.
– Reassemble in the reverse
sequence.

10.9.2 Valve

1
1
: Use a screwdriver to ease the
hose clamps (arrows) open.
– Pull off the hoses (1).
– Remove the throttle trigger and
interlock lever, b 8.3
– Remove the valve lever, b 8.4
1
– Hold the valve (1) in the handle
housing.
: Rotate the rod (2) and pull it out of
the piston (arrow).
2
99