34 MS 461, MS 461-R
Drilled plate 5910 893 2101 without
holes marked "28" can be updated
with 5.5 mm holes as shown in the
illustrated.
Dimensions are in millimeters.
The illustration shows the drilled
plate from above.
Use the tools in the service tool set
5910 007 2201 for removing and
installing – use drilled plate
5910 893 2101.
: Unscrew the spindle (1) until the
drilled plate (2) butts against the
crankcase
– left-hand thread.
5,0
19,8
32,8
40,0
86,5¡
20,2
40,6
3443RA107 TG
3443RA108 TG
2 3
3
3
1
: Position service tool (1) with
plate (2) 5910 893 2101 against
the ignition side of the crankcase
so that the number "28" (arrow) is
at the bottom.
: Insert three M5x72 screws (3) in
the holes marked "28" and
tighten them down until they butt
against the crankcase.
: Turn the spindle (1)
counterclockwise until the
crankshaft is pushed out of the
ignition side of the crankcase.
The crankshaft, connecting rod and
needle bearing form an inseparable
unit. Always replace as a complete
unit.
– Check the two halves of the
crankcase and ball bearings and
replace if necessary, b 6.6.1
– Before installing, clean the
crankshaft, b 15
Installing
Ignition side of crankcase
Take care not to damage the
crankshaft stub.
– Heat the inner bearing race to
about 160°C
(320°F).
3443RA110 TG
: Position the tapered stub of the
crankshaft (arrow) above the ball
bearing at the ignition side and
push it home.
This operation must be carried out
very quickly because heat is
absorbed by the crankshaft, and the
inner bearing race shrinks.
If it is not possible to heat the inner
bearing race, use service tool
5910 007 2101 to install the
crankshaft – use plate
5910 893 2101.
: Screw the threaded sleeve (1)
5910 893 2420 onto the spindle
as far as stop.
Coat tapered stub of crankshaft with
oil.
– Position the tapered stub of the
crankshaft above the ball bearing
at the ignition side and push it
home.
3443RA111 TG
1
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