Remove the arms, negative brake cylinders and differential unit.
For details, see «CHECKING WEAR - REPLACING DISCS AND
BRAKE SEALS» and «REMOVING THE DIFFERENTIAL UNIT».
Scribble match marks across the joint seam between nut (1) and
pinion (2) and apply a reaction bar "
A
" to the main body.
Apply wrench
T15
to hold the pinion tight and, using a socket
wrench, loosen nut (1).
ATTENTION!
If disassembly proves hard, heat the nut (1) with a
heat gun to a temperature of about 80 ëC.
Remove nut (1) and O-ring (3).
NOTE.
If the nut is heated to assist removal, then the O-ring must
be replaced.
Using a puller, pull out and remove the flange (4).
If only the seal ring (5) of pinion (2) is to be replaced, pull ring out
using a screwdriver or a lever.
NOTE.
1 - Not to damage ring seat and pinion. 2 - Replace the seal
ring and install the new one using tool
T18
once AREXSONS
rubber cement has been applied to the outer surface; smear with
Loctite 270 the pinion thread and tighten nut (1) up to the marks
made in step b.
GB
GB
GB
GB
GB
GB
a
b
c
d
f
e
94
REMOVING THE CROWN WHEEL AND PINION - RIMOZIONE PIGNONE CONICO - KEGELRAD ABMONTIEREN -
REMOCION PINON CONICO - REMPLACEMENT PIGNON CONIQUE
F1241852
F1241787
1
2
A
F1241788
T15
1
F1241789
1
3
F1241790
4
F1241869
2
5