Dacia Pick-Up 1304/1305/1307. Service manual - part 53

MANUAL GEARBOX

21

21 - 18

REPAIR

Dismount the velocity step V fork pin by

means of 31 B mandrel.

Observe the hub and the tooth gear sliding

mechanism of velocity step V.

Dismount:
- the synchronizing mechanism and the

fork of velocity step V;

- the velocity step V pinions.
Dismount the distance plate.

 For G.B. 365 and 51 C

Dismount the  nuts lock washers for the

differential gear adjustment.

Dismount the adjus tment nuts of the

differential gear by means of the CV 377
wrench.

Rotate the gearbox with the left side

 upwards.

Unscrew  the attachment screws of the

crankcases.

Remove the left half crankcase.
Dismount :
- the differential gear (G.B.365, and 51 C);
- the secondary shaft and the locker pin of

the biconical bearing;

- the primary shaft.

MANUAL GEARBOX

21

21 - 19

REPAIR

 FORKS AND SHAFTS DISMOUNTING

Bring the fork III -  IV    to the dead

point.

Dismount the speed  V fork shaft and

recover :

- the interlocking ball between forks

shafts  III -IV and V.

- the ball and the attachment spring of

the speed V fork shaft;

Dismount the elastic pin of fork  III -

IV by means of the CV 31 B mandrel.

Take out the interlocking disk of the

forks shafts.

Engage speed I.
Move toward back the reverse driving

shaft.

Dismount the elastic pin of fork

I – II by means of the CV 31 B mandrel.

Dismount the shaft and the fork, recover

the attachment spring and ball.

Dismount :

- the reverse selector;
- the reverse driving shaft.

MANUAL GEARBOX

21

21 - 20

REPAIR

REVERSE DRIVING PINION DISMOUNTING

Dismount:

- the lock ring;
- the shaft;
- the pinion;
- the friction ring;
- the guiding wedge.

Recover the spring and the attachment ball.

HALF CRANKCASES  DISASSEMBLING

Dismount the outer ring of the bearing by

means of a trod.

Dismount the annular oil seals from the

differential gear adjustment nuts.
(G.V. 365 ºi 51C).

MANUAL GEARBOX

21

21 - 21

REPAIR

   PRIMARY SHAFT DISASSEMBLING

Dismount the elastic pin by means of

the CV 39 mandrel and separate the  clutch
shaft from the primary shaft.

Take out the outer rings of the bearings

and the rollers cage.

Dismount the bearing inner ring by

means of the CV 22 extractor.

Dismount the biconical bearing on a

press by means of the TS 65 extractor.