Stihl MS 271 Manual page 40

1
2
: Remove oil seals (1) and (2) –
always install new oil seals.
: Remove sealant from the sealing
face (arrows).
: Inspect and clean the sealing
face (arrows), b 14
2 2
2
– Inspect the intake manifold (1)
and replace it if necessary – even
very minor damage can result in
engine running problems, b 3.7
: Take out the screws (2).
: Remove the intake manifold (1).
MS 271 C, MS 291 C
: Inspect and clean the sealing
faces (arrows) and remove any
gasket residue, b 14
– Clean the sealing face on the
intake manifold, b 14
When reinstalling the cylinder,
always seal it with fresh sealant on
the engine pan.
– Check the crankshaft and ball
bearings and replace if
necessary, b 6.6
– Inspect the piston and piston
rings and replace if necessary,
b 6.7, b 6.8
If the piston or the oil seals are
damaged, also inspect the inside of
the cylinder for signs of damage and
install a new cylinder if necessary.
Installing
1
: Fit the manifold (1) in position.
: Insert and tighten down the
screws (2) firmly.
: Fit the installing sleeve (3)
: Fit the new oil seal (1) with the
: Fit the new oil seal (2) with the
: Fit the retaining ring (1).
2 2
1
2
1
3 3
1141 893 4600.
– Use the installing sleeve at both
sides.
support ring facing outwards.
sealing lip facing the crankshaft.
1
2
39