Stihl MS 192 T C-E Technical Overview - Page 9

Technical Information, Securing the limiter cap, arrow, Minimum distance a = 1 mm, Standard

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Technical Information 02.2005 4.1.4 Securing the limiter cap Page 9 4.2 Standard setting with limiter cap The limiter cap must not be removed when making the standard setting. A used cap may not be reused, as they are damaged when pulled off. . Place the new limiter cap (1) for the H screw aligned on the stop knob (arrow) a . Turn the high speed screw (H) anticlockwise as far as possible (max. 3/4 turn). . Turn the low speed screw (L) clockwise - until firmly seated - then back off 1 turn. 4.3 Accelerator pump 256TI027 KN . Press on limiter cap until it snaps into place Do not press on the limiter cap until it contacts the carburetor housing since it would become damaged: Minimum distance a = 1 mm The carburetor is equipped with an accelerator pump. The pump piston (1) is located in the cylinder bore (a) behind the throttle shaft (3) and is held in the idle position by a compression spring (2). When opening the throttle shutter, fuel is also sent through the main nozzle into the the air cone (Venturi valve) providing fast and spontaneous acceleration. TI_02_2005_11_01_01.fm

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Technical Information
02.2005
Page 9
TI_02_2005_11_01_01.fm
4.1.4
Securing the limiter cap
A used cap may not be reused, as they are
damaged when pulled off.
.
Place the
new
limiter cap (
1
) for the H screw
aligned on the stop knob (
arrow
)
.
Press on limiter cap until it snaps into place
Do
not
press on the limiter cap until it contacts the
carburetor housing since it would become
damaged:
Minimum distance a = 1 mm
4.2
Standard setting with limiter cap
The limiter cap must not be removed when making
the standard setting.
.
Turn the high speed screw (H) anticlockwise as
far as possible (max. 3/4 turn).
.
Turn the low speed screw (L) clockwise – until
firmly seated – then back off 1 turn.
4.3
Accelerator pump
The carburetor is equipped with an accelerator
pump.
The pump piston (
1
) is located in the cylinder
bore (
a
) behind the throttle shaft (
3
) and is held in
the idle position by a compression spring (
2
).
When opening the throttle shutter, fuel is also sent
through the main nozzle into the the air cone
(Venturi valve) providing fast and spontaneous
acceleration.
a
256TI027 KN