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-
remove interna lly
toothed
sleeve for rear
wheel coupling
, c/
w
bevel
crown.
-
from inte rnally toothed sleeve, after flatte·
ning lock plates and undoing bolts, remove
bevel gear crown.
-
remove bearing stop screw and plate
.
remove
roller
bearing cage and inner race
.
-
remove rolle
r
bearing race by means of pul·
ler No. 12906900 (see 2 on Fig. 86).
-
remove roller bearing cage retaining ring.
remove oil seal from drive
box.
remove rear wheel·d rive box distance piece.
remove f rom drive box filler plug (8) and
level plug (A) c/w gaskets (see Fig
.
84).
Stripping down of universal double
joint,
gai·
ters and bands will only be possible after re·
moval
of engine
~
gearbox group from frame or
removal of
rear
fork.
CHECK AND OVERHAUL OF
REAR WHEEL
DRIVE ASSEMBLY
REAR WHEEL DRIVE BOX
box must not show any cracks.
bearing housing must not be scored or
mar·
ked
.
contact surfaces must not be scored or mar·
ked
.
-
seal
ring must be
unimpaired.
If burred or
without elasticity, replace
it.
-
always remember to fit new
gaskets.
DRIVE BOX FLANGE
-
flange must not show any cracks.
-
contact surface must not be scored or mar·
ked
.
-
bearing and seal ring housings must not be
scored or marked
.
-
seal ring must be
unimpaired.
If burred or
without
elasticity,
replace it.
DISTANCE SHIMS
Available in six different thicknesses:
0.8
mm.
(.0315") - 0.9
mm.
(.0354")
1.00
mm.
(.0393")
-
1.1
mm.
(.0433")
1.2
mm.
(.0472") - 1.3
mm.
(.0512")
.
Check that coupling surfaces ;are not scored or
marked
.
INTERNALLY TOOTHED SLEEVE
FOR REAR
WHEEL
COUPLING
-
surface supporting ball bearing must be faul·
less and positively smooth
.
60
Fig.
86
internal teeth must not be damaged or mar·
ked
.
BEVEL GEAR SET
-
Bevel gear set consisting of pinion and
crown. Teeth must not show any chipping
or excessive wear. Pinion shank must be
without marks and splines must be smooth
,
without marks
.
CAGE RETAINING RING
Contact su rface must not show any mark or
excessive wear. If necessary, replace
it.
REAR WHEEL· DAIVE BOX DISTANCE
PIECE
Check that contact surfaces are
not
damaged.
BEARING HOUSINGS
-
coupling surfaces must not be scored or
marked.
-
bearing housings must not be worn or
da·
maged.
-
always replace gasket.
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