Removing And Installing The Carburetor - Stihl 034 Series User Manual

12.3

Removing and Installing the Carburetor

The all-position diaphragm
carburetor consists of a fuel pump
and the actual carburetor. Although
the fuel pump shares a common
housing with the carburetor, it
operates as a completely separate
and independent unit.
Troubleshooting chart - see
"Standard Repairs, Trouble-
shooting" handbook.
– Remove the air filter -
Lever the grommet off the
carburetor adjusting screws.
– Detach the throttle rod and choke
lever.
– Pull the fuel hose off the
carburetor's elbow connector.
Unscrew the carburetor mounting
nuts.
034, 036, 036 QS
2
1
On machines with a carburetor
see 12.1
heating system, first pull the
thermostatic switch's flag
connector (1) off the contact
spring and then remove heater
plate (3) and heating element (2)
from the collar studs and leave
them to one side.
– Pull the carburetor off the collar
studs.
Install in the reverse sequence.
Note:
The gasket is not fitted on machines
from X 18 892 140 which are
equipped with a Zama carburetor.
The gasket must still be installed on
Tillotson carburetors.
3
Note:
Check that sleeve (2) (in
manifold) and washer (1) are in
place before fitting the carburetor
(new version).
– Tighten down the mounting nuts
(see "Tightening Torques").
1
2
61