Stihl MS 270 User Manual page 41

Fit the snap rings so that their gaps
are on the piston's vertical axis (they
must point either up or down – see
arrow).
Coat cylinder sealing face with
Dirko red – see 14.
Position the piston rings in the
grooves so that the radii at the
ring gaps engage the fixing pins
(arrows) in the piston grooves.
upward.
MS 270, MS 280
– Push the manifold on to the
intake port.
Fit the clamping ring, note the
installed position (arrow).
– Make sure the piston rings are
properly positioned.
– Lubricate the inside of the
cylinder with oil and line it up so
that it is positioned as it will be in
the installed condition.
Carefully slide the cylinder (1)
over the piston.
Wind a piece of string (1) (about
15 cm long) around the back of
the manifold flange and pass the
ends of the string through the
intake opening.
Press the manifold down.
1
Pull the ends of the string
outward.
The manifold flange is pulled
through the tank housing intake
opening without damaging the
manifold.
1
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