Stihl MS 231 Manual page 44

: Position the piston as shown so
that the arrow (arrow) points to
the rear and the straight
crankshaft stub (1) is on the right
– the arrow must point in the
direction of the exhaust port.
– Place the piston on the
connecting rod.
1
2
: Push the assembly drift (1)
1110 893 4700 into the piston, at
the side with the snap ring, and
through the small end (needle
cage) – the piston is aligned.
– Lubricate the piston pin (2) with
oil.
: Fit the piston pin (2) on the
assembly drift (1) and slide it into
the piston.
MS 231, MS 231 C, MS 251, MS 251 C
All manuals and user guides at all-guides.com
1
: Remove the sleeve (1)
5910 893 1707 from the installing
tool (2) 5910 890 2210.
: Attach the snap ring (1) to the
magnet (2) so that the snap ring
gap is on the flat side of the tool's
shank (arrow).
2
: Push the large slotted diameter of
the sleeve over the magnet and
snap ring.
The inner pin (1) must point towards
the flat face of the
tool's shank (2).
2 1
2
1
1
: Press the installing tool
downwards into the sleeve until
the magnet butts against the end
of the guide slot.
Use a suitable base.
: Remove the sleeve and slip it
onto the other end of the shank –
the inner pin must point towards
the flat face.
1
Fit the snap ring (1) so that its
gap (arrow) is on the piston's
vertical axis (it must point up).
43