Stihl GS 461

71GS 461
Installation
: Fit the inlet needle (1)
: Fit spring (2) in bore
: First fit the spindle (2) of the inlet
control lever (3) at the conical
seat (arrow) of the spring, then
slide the clevis on the inlet control
lever into the groove on the inlet
needle (1)
Ensure that the spring locates on
the nipple of the inlet control lever.
– Press the inlet control lever down
and secure it with the screw.
– Check that the inlet control lever
moves easily
– Install the metering diaphragm,
b 10.4.1
3443RA306 TG
1
2
3443RA307 TG
2 31
10.4.3 Pump diaphragm
– Troubleshooting, b 3.6
– Remove the carburetor, b 10.3
: Unscrew the screw (1) and
remove the end cover (2)
If the gasket and pump diaphragm
are stuck to the carburetor, they
must be removed very carefully.
: Carefully remove pump
diaphragm with gasket
3443RA308 TG
1
2
3443RA309 TG
: Carefully separate pump
diaphragm (1) and gasket (2)
The diaphragm material is
subjected to continuous alternating
stresses and eventually shows
signs of fatigue. In other words, the
diaphragm distorts and swells and
must be replaced.
– Examine the pump diaphragm for
signs of damage and wear,
replace the gasket.
– Inspect the fuel strainer for
contamination and damage,
clean or replace it if necessary.
: Pull the fuel strainer (1) out of the
carburetor body with a needle
and clean or replace it
– Reassemble parts in reverse
order
3443RA310 TG
1
2
3443RA311 TG
1