Adjusting Screws - Stihl MS 192 T Manual

14.3.8 Adjusting screws

1
3
There are three adjusting screws on
the carburetor:
H = High speed screw (1)
L = Low speed screw (2)
LA = Idle speed screw (3)
If the carburetor setting can no
longer be adjusted, this may also be
due to the adjusting screws.
Only the high speed screw has a
limiter cap; a new cap must always
be used after dismantling the high
speed screw.
Remove the carburetor, b 14.2
Refer also to troubleshooting on the
carburetor, b 4.6
Low speed screw
1
: Take out the low speed screw (1).
82
2
: Examine the tip (arrow) for signs
of damage or wear.
– Replace the low speed screw if
necessary.
– Reassemble parts in reverse
order.
– Adjust the low speed screw,
b 14.4
High speed screw
: Prise the limiter cap (1) off the
high speed screw with tool
5910 890 4501.
Always fit a new limiter cap.
: Take out the high speed
screw (1).
: Examine the tip (arrow) for signs
of damage or wear.
– Replace the high speed screw if
necessary.
– Reassemble parts in reverse
order.
– Adjust the high speed screw,
b 14.4.1
1
1
MS 192 T