72 MS 231, MS 231 C, MS 251, MS 251 C
10.2 Throttle Trigger/Lockout
Lever
: To remove the handle molding,
press the tabs (1) on the
underside apart and push them
through the rear handle.
: Remove the handle molding (1).
The lockout lever (arrow) may pop
out.
: Pull the lockout lever (1) out of its
mounts (arrows).
5902RA307 TG
1
1
2310RA165 TG
1
2310RA166 TG
1
: Take the throttle rod (1) out of the
guide (arrow) and disconnect it
from the throttle trigger (2).
: Use a drift (2) to drive out the
pin (1).
: Remove the throttle trigger (3)
with torsion spring (4).
– Inspect the lockout lever, throttle
trigger and torsion spring,
replace as necessary.
Installing
: Attach the torsion spring (1) to
the trigger (2) – note the installed
position (arrow).
2310RA167 TG
2
1
2310RA168 TG
1
2
4
3
2310RA169 TG
2
1
: Place the throttle trigger (1) in the
rear handle so that the
tongue (arrow) is within the
handle and the holes in the
throttle trigger and handle are in
alignment.
: Use a drift (2) to center the
throttle trigger (1).
: Drive home the pin (3) until it is
recessed by same amount at
both sides.
: Attach the throttle rod (1) to the
throttle trigger (2) and fit it in the
guide (arrow).
2310RA170 TG
3
2
1
2310RA171 TG
2
1
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