Repair Manual
MANUAL GEARBOX
21
21 - 45
BACK C AP
D
ISMOUNTING
Lift the car on the elevator.
Drain the oil from the gearbox.
Disconnect:
- the speedometer cable;
- the velocity steps control.
Support the back part of the gearbox.
Unscrew the attachment nut of the exhaust
pipe from back cap cross bar gearbox.
Dismount the back crossbar of gearbox.
For G.B. 50C and 51C:
- dismount the cardan transmission from
the secondary shaft flange and tilt it over.
- dismount the secondary shaft flange.
Engage the gear velocity step IV
Unscrew the back cap attachment screws.
Dismount the back cap
NOTE:
The velocity step V fork shaft shall not
be dismounted because the
interlocking ball may fall; their
mounting implies dismounting the whole
gearbox.
REMOUNTING
Clean the contact surface of the gasket.
Place a new paper gasket after it was
lubricated with oil.
Place the back cap; position the velocity
steps selector in the forks shafts grooves.
Place the cap attachment screws and
tighten them at the required moment of
1,2daNm.
For G.B. 50C and 51C:
- mount the driving flange of cardan
transmission and tighten the attachment nut at
the required couple (10 -12 daNm);
- engage the cardan transmission.
Mount the back support of the gearbox.
Connect :
- the speedometer cable;
- the velocity steps control.
Fill up the gearbox with oil 80W/90.
(on vehicle )
vnx.su










