Piston Rings; Decompression Valve - Stihl MS 362 Manual

6.8

Piston Rings

– Remove the piston, b 6.7
– Remove the piston rings from the
piston.
: Use a piece of old piston ring to
scrape the grooves (arrows)
clean.
: Install the new piston rings in the
grooves so that the radii face
upward (arrows).
48
: Position the piston rings so that
the radii at the ring gap meet at
the fixing pin in the piston groove
(arrows).
: Check correct installed position
of the piston rings (arrows).
– Install the piston, b 6.7
– Reassemble all other parts in the
reverse sequence.
6.9

Decompression Valve

1
– Remove the shroud, b 6.4
: Unscrew the decompression
valve (1).
: Check the sealing cone (arrow)
on the decompression valve for
damage.
– If the sealing cone does not close
completely or shows signs of
damage, install a new
decompression valve.
– Fit the decompression valve and
screw it home by hand.
– Tighten down the decompression
valve firmly.
– Tightening torques, b 2.5
– Reassemble all other parts in the
reverse sequence.
MS 362, MS 362 C