Repair Manual

MANUAL GEARBOX
21
21 - 48
VELOCITY STEP V SYNCHRONIZER REPLACEMENT
D
ISMOUNTING
Lift the car on the elevator
Drain the oil from the gearbox.
Disconnect :
- the speedometer cable;
- the velocity steps control.
Disconnect the cardan transmission and
dismount the flange (G.B. 50C,G.B.51C).
Dismount the back crossbar of the
gearbox.
Dismount the back cap.
Engage the velocity step V and the
reverse driving.
Dismount the primary shaft nut.
Dismount the elastic pin of the velocity
step V fork by means of the CV 31 B
mandrel.
Dismount the velocity step V fork
together with the tooth sliding mechanism
and velocity step V hub.
NOTE:
The velocity step V shaft shall not be
dismounted because the interlocking
ball and the attachment ball may fall;
their mounting implies complete
dismounting of the
gearbox.
R
EMOUNTING
Place the fork on the gear tooth gear sliding
mechanism;
Mount the velocity step V synchronizer
assembly together with the fork, on the primary
shaft.
Mount the fork elastic pin by means of the
31 B mandrel.
Mount the primary shaft nut ant tighten at the
required moment (6 daNm).
Connect :
- the speedometer cable;
- the velocity step control.
Mount the flange, tighten at the required
moment (10 - 12daNm) its nut, and connect the
cardan transmission (G.B.50C,G.B.51C).
Check the velocity steps control mechanism.
Fill up the gearbox with 80W/90 oil.
(on vehicle )
vnx.su