Jonsered CS 2166 Workshop Manual page 28

Dismantling
!
WARNING!
The fuel that is used in the chainsaw
poses the following hazards:
1. The fluid and its fumes are poisonous.
2. Can cause skin irritation.
3. Is highly inflammable.
Removal
See fig. 8.
1. Remove the cylinder cover and air filter.
2. Remove the carburettor control (A) by pushing it
towards the carburettor and lifting.
3. Unhook the throttle cable and push out the choke lever.
4. Pull off the fuel pipe (B) and tube (C) to the impulse
channel.
5. Remove the bolts (D) which secure the filter holder,
carburettor and air intake tube. The right hand bolt
can be pushed out using a welding rod or similar.
6. Loosen the air filter holder and lift off the carburettor.
Leave the filter holder in the carburettor space.
7. Remove the top cover (E) of the metering unit and
Dismantling
carefully remove the metering diaphragm (F) and
gasket. See fig. 9.
8. Undo the screw (G) and take out the needle valve
(H) together with the lever arm, spindle and spring.
See fig. 9.
9. Remove the cover (I) of the pump unit and carefully
remove the gasket (J) and pump diaphragm (K).
See fig. 10.
10. Using a needle or similar, carefully lift out the fuel
filter (L). See fig. 10.
11. Unscrew and remove the high and low speed jet
screws. See fig. 12.
12.If required, unscrew the throttle and choke
butterflies, and remove the spindles together with the
lever arms and springs. See fig. 12.
28 – English
CARBURETTOR
A
Fig. 8
Fig. 9
Fig. 10
D
H
G
F
E
I
J
K
L
C
B
D