Stihl MS 650 Manual page 38

2 1
: Push the large slotted diameter of
the sleeve over the magnet and
snap ring. Position the sleeve so
that the inner pin (1) points
toward the flat face (2) of tool's
shank.
: Stand the installing tool, sleeve
downward, on a flat surface
(wooden board) and press
vertically downwards until the
sleeve butts against the tool's
shoulder.
: Remove the sleeve and slip it
onto the other end of the shank.
Inner pin must again point toward
flat face.
MS 650, MS 660
: 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.
: Fit the snap rings so that their
gaps are on the piston's vertical
axis (they must point either up or
down – see arrow).
2
– Lubricate the piston and piston
rings with oil.
: Rest the piston (1) on the
wooden assembly block (2)
1108 893 4800.
: Align the piston rings so that the
radii at the ring gap meet at the
fixing pin.
: Push the manifold on to the
intake port.
: Pay attention to the correct
installed position (arrow).
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