Repair Manual
MANUAL GEARBOX
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SECONDARY S HAFT ASSEMBLING
For G.B. 365 ºi 51C.
The differential drive pinion and the toothed crown are lapped together.
Replacing of one part obligatory requires replacing the pair part.
A pairing number is marked both on the pinion end and on the toothed crown.
No other markings shall be taken into consideration besides the pairing number.
NOTE: All spare parts will be lubricated with 80W 90 oil before bein
mounted.
Mount on the secondary shaft:
- the velocity step I pinion together
with its synchroniser ring ;
- the lock washer of the velocity step I
pinion ;
- a false wedge, made from a normal
wedge ,with a curved end ; the false wedge is
introduced in a channel which has a lubricating
hole.
Remove the maintaining device of the
bearing outer ring.
Mount the velocity steps I – II synchroniser hub:
- the three wedges ;
- the two springs ;
- the tooth gear sliding mechanism (for the re-used parts, observe the markings made upon
dismounting ).
REPAIR
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