Stihl FS 240 Service Manual page 21

2
: To protect the guide sleeves, set
clutch housing (1) on ring (2)
5910 893 7005
: Orient ring (2) so that the clutch
housing rests evenly on it
: Press out clutch drum using a
suitable punch (3)
!
80%
– Examine the clutch drum (1) for
signs of wear
The remaining thickness must be
measured if there are distinct signs
of wear on the inside diameter of the
clutch drum (1). The clutch drum
must be replaced if the remaining
thickness is less than approx. 80 %
of the original thickness.
If the square socket is worn or the
pin is damaged, the clutch drum
must be replaced.
20
Installation
3
1
1
2
– Heat the inner race of the ball
bearing to approx. 120 °C
(250 °F)
: Position clutch drum (1) on ball
bearing (2) and push it on as far
as it will go
This must be done quickly, as the
clutch drum absorbs heat and
begins to expand.
1
100%
1
2
If it is impossible to heat the inner
race, the clutch drum must be
pressed on cold.
– Support the clutch housing on
the opposite side with a suitable
pipe on the inner race of the ball
bearing
: Position clutch drum (1) on ball
bearing (2) and press it on as far
as it will go
: Install circlip (1) on the opposite
side
3
2
: Guide clutch housing (1) with the
clutch drum (2) over the
clutch (3) and fasten with the
sleeves in the holes (arrows) of
the clutch housing
1
1
: Insert and tighten down the
screws (1)
– Attach cable holder and short
circuit wire to engine, b 6.6.2
FS 240 C, FS 260 C, FS 360 C, FS 410 C, FS 460 C-M
1
1
1
1