Carburetor - Stihl MS 231 Manual

2
1
3
: Push the rubber grommet (1) into
its seat until it is flush with the
edge of the air guide shroud.
: Push the short circuit wire (2) and
ground wire (3) into the
guides (arrows) – position short
circuit wire under the ground
wire.
– Install filter base with wiring
harness, b 12.3
– Reassemble all other parts in the
reverse sequence.
12.5

Carburetor

– Pull the filter base off the studs
and put it to one side with the
wiring harness still attached,
b 12.3
– Open the fuel tank cap and drain
the fuel tank.
– Collect the fuel in a clean
container, b 1
Disconnect the fuel hose only when
the tank cap is open.
88
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1
: Pull the fuel hose (1) off the
nipple (arrow).
Models with manual fuel pump
1
: Remove the fuel hose (1).
All models
1
: Remove the carburetor (1).
– Check the carburetor and service
or replace if necessary.
– Install a new fuel hose,
b 12.11.2
Models with manual fuel pump
– Install new fuel intake hose,
b 12.11.3
Installing
1
Make sure the washer (1) is in
place.
1
3
Make sure the ring (1) is in place.
Make sure sealing ring (2) is in
place.
– Check the components and
replace as necessary.
Stub (3) must engage bore in
manifold flange.
MS 231, MS 231 C, MS 251, MS 251 C
2