Stihl MS 311, Manual, Page: 83 / 94

82 MS 311, MS 391
Installing
: To pull the manifold flanges
through the openings in the
carburetor carrier, wind pieces of
string (1) (about 15 cm long)
around the backs of the flanges
and pass the ends of the strings
through the openings.
: Pull the ends of the strings with
the manifold flanges through the
intake opening.
– Pull the manifold flanges into the
openings in the carburetor carrier
with the string.
– Remove the string.
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: Fit the fuel hose (1) in the
guide (arrow).
: Take out the sleeve (2) and
ring (1).
When reassembling, check that all
wires are properly seated in their
guides.
– Reassemble all other parts in the
reverse sequence.
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12.9 Intake Manifold
A damaged intake manifold can
result in engine running problems.
– Troubleshooting, b 3.6 or
b 3.7
– Remove the shroud, b 6.4
– Remove the carburetor, b 12.5
– Remove the carburetor carrier,
b 12.8
: Take out the screws (1).
: Remove the intake manifold (2).
– Inspect the intake manifold (2)
and replace it if necessary – even
very minor damage can result in
engine running problems,
b 3.7
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