Stihl MS 440 Service Manual page 34

: Remove the sleeve and slip it
onto the other end of the shank.
Inner pin must again point toward
flat face.
: Apply the installing tool
(5910 890 2212) to the piston
boss, hold the piston steady,
center the tool shank exactly and
press home until the snap ring
slips into the groove.
MS 440, MS 440 C
Fit the snap rings so that their gaps
are on the piston's vertical axis (they
must point either up or down – see
arrow).
: Fit new cylinder gasket,
curvature facing down, on the
crankcase.
2
: Coat the piston and piston rings
with oil, then place the piston (1)
on the wooden assembly
block (2) 1108 893 4800.
: Align the piston rings: the
bevelled radii at the join must
engage the fixing pin in the ring
groove.
: Push the manifold onto the intake
port.
: Note the installed position
(arrow).
1
1
: Fit the hose clamp (1) with the
screw head on the right.
: Tighten down the clamp so that it
closes against the spacer sleeve.
33