Removing And; Servicing The Carburetor - Stihl 4141 Series Manual

9.3 Removing and Installing
the Carburetor
– Remove the filter cover and filter
elements - see 9.1.
Pull fuel hoses off carburetor
elbow connectors.
– Remove the throttle cable - see
8.2.
Remove screws and take
carburetor with air filter housing
off the spacer flange.
– When installing, tighten the
screws to 3.5 Nm (2.6 lbf.ft).
– Install a new gasket between the
carburetor and spacer flange.
Reassemble in the reverse
sequence.
– Adjust throttle cable - see 8.3.
Series 4141 Powerhead
9.4

Servicing the Carburetor

– Remove the carburetor - see 9.3.
Servicing the carburetor includes
the replacement of all gaskets and
diaphragms. The gasket kit contains
all the parts required.
– Clean exterior of carburetor.
Release and remove screws on
the underside of the carburetor.
1 2 3 4 5
Disassemble parts of manual fuel
pump:
1 End cover with cap (bulb)
2 Flange with valve
3 Metering diaphragm
4 Gasket
5 Spacer flange with inlet
needle valve
6 Pump diaphragm
7 Gasket
Manual fuel pump
Push cap (pump bulb) out of end
cover and fit a new one.
6 7
Pull the valve out of the flange.
– Inspect valve and replace if
necessary.
35