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.
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