Stihl MS 440 Service Manual page 40

: The straight pin (arrow) must be
fitted; if not, it must be driven into
the crankcase.
– Heat the fan side of the
crankcase to approx. 150 °C
(302 °F) around the ball bearing
seat.
: Press the deep groove ball
bearing (arrow) as far as possible
into the crankcase by hand with
the closed side facing upwards.
MS 440, MS 440 C
This operation must be carried out
very quickly because the bearing
absorbs heat immediately and
begins to expand.
1
: If it is not possible to heat the
clutch side of the crankcase, use
press arbor (1) 1118 893 7200 to
press home the ball bearing as
far as stop.
– Let the crankcase cool.
: Press the annular buffer in so that
the circumferential groove (1)
engages the edge of the
crankcase (2).
2
: Fit nipple of tank cap cord (1) in
the slot (2) and pull it forwards.
1
The oil pump must be fitted as stop
when installing the deep groove ball
bearing.
– Position the oil pump (1).
– Insert the screws (arrows) and
tighten them down – b 3.5
– Heat the area of the ball bearing
on the clutch side of the
crankcase to about 150 °C
2
(302 °F).
1
1
39