Stihl MS 251 Instruction Manual - Page 73

Throttle Trigger/Lockout Lever, rear handle so that

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10.2 Throttle Trigger/Lockout Lever 1 2 3 2 1 1 2310RA170 TG 2310RA167 TG 5902RA307 TG 1 : To remove the handle molding, press the tabs (1) on the underside apart and push them through the rear handle. 1 : Take the throttle rod (1) out of the guide (arrow) and disconnect it from the throttle trigger (2). 2 4 1 3 : 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. 2310RA168 TG 2310RA171 TG 2310RA165 TG : Use a drift (2) to drive out the pin (1). 1 : Remove the throttle trigger (3) 2 : Remove the handle molding (1). with torsion spring (4). The lockout lever (arrow) may pop out. - Inspect the lockout lever, throttle trigger and torsion spring, replace as necessary. Installing : Attach the throttle rod (1) to the throttle trigger (2) and fit it in the guide (arrow). 1 1 2 2310RA166 TG 2310RA169 TG : Pull the lockout lever (1) out of its mounts (arrows). : Attach the torsion spring (1) to the trigger (2) - note the installed position (arrow). 72 MS 231, MS 231 C, MS 251, MS 251 C

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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