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The actuating sleeve (60)
is held in the middle position by spring-
loaded
pins.
To
initiate
the
shifting
operation,
the
actuating
sleeve (60)
need merely be displaced axially by a shifting fork until
the arresting force has been overcome.
Then the actuating sleeve (60)
is moved automatically by the spring-loaded pins, while the external
disc carr ier,
which follows
this movement,
is rotated by the fr ic-
tional forces exerted by the clutch discs, and the shifting operation
is completed as described above.
Power flow in lever position
_
A
--~
8
5.
SHAFT BEARINGS
Both the input and the output shafts are carried in amply dimensioned
taper roll bearings.
The
intermediate gear
and
the
movable gears
are
carried
in
sturdy
needle roller bearings.
6.
SHAFT SEALS
External sealing of the input and output shafts is provided by radial
sealing rings.
The running surface on the shafts is casehardened.
7.
LUBRICATION
The
transmissions
are
generously
supplied
immersion-lubricated.
with
splash
oil
116
The
and
bear ings
are
oil
mist.
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