39MS 440, MS 440 C
: 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.
VA
176RA118
: Press the deep groove ball
bearing (arrow) as far as possible
into the crankcase by hand with
the closed side facing upwards.
VA
176RA119
This operation must be carried out
very quickly because the bearing
absorbs heat immediately and
begins to expand.
: 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.
VA
176RA120
1
– Let the crankcase cool.
: Press the annular buffer in so that
the circumferential groove (1)
engages the edge of the
crankcase (2).
VA
176RA121
2
: Fit nipple of tank cap cord (1) in
the slot (2) and pull it forwards.
VA
176RA122
2
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
VA
175RA024
1
– Heat the area of the ball bearing
on the clutch side of the
crankcase to about 150 °C
(302 °F).
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