Stihl MS 261 User Manual page 42

2 2
2
– Check the intake manifold (1),
replace 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).
: Inspect and clean the sealing
faces (arrows) and remove any
gasket residue, b 15
– Clean the sealing face on the
intake manifold, b 15
The sealing faces must be in perfect
condition. If the sealing faces are
damaged, install a new cylinder.
Always use a new cylinder gasket
when re-installing the cylinder.
MS 261, MS 261 C
Installing
2
1
: Fit the manifold (1) in position.
: Insert and tighten down the
screws (2) firmly.
: Fit new cylinder gasket (1) over
the piston and on the crankcase.
– Line up the cylinder gasket (1)
with the holes.
1
: Slide the wooden assembly
block (1) 1108 893 4800
between the piston and
crankcase.
Take care not to damage the
cylinder gasket.
2
1
1
2
– Lubricate the piston, piston rings
and cylinder wall with oil, b
: Use the clamping strap (1)
0000 893 2600 to compress the
rings around the piston.
– Check correct installed position
of rings, b 6.8
Apply the clamping strap (1) so that
the piston rings do not project
beyond the cylinder wall.
1
: Position the cylinder (1) so that
the manifold (2) points towards
the tank housing.
While sliding the cylinder over the
piston, hold the clamping strap
tightly around the piston so that the
rings do not project
– they might otherwise break.
: Slide the cylinder over the piston,
the clamping strap moves
downwards at the same time.
b 15
1
2
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