Dacia SuperNova (engine E7J). Manual - part 50

CV   JH3 - 050

21

MANUAL GEARBOX

21 - 8

PARTS OF SYSTEMATIC REPLACEMENT

The following parts shall be replaced, if they have been dismounted:

- oil seal rings;
- fastening rings;
- elastic pins;
- primary shaft nut
- the bushing under the pinion of the 5 – th step;
- the outer safety devices of the bearings of the primary and the secondary shafts;
- the gaskets.

PARTS OF SYSTEMATIC REPLACEMENT

CV   JH3 - 050

21

MANUAL GEARBOX

21 - 9

NECESSARY SPECIAL TOOLS

C.V. 22-01

Bearings extractor body

C.V. 945

Chuck for mounting the right planetary pinion oil ring

C.V. 946

Chuck for safety mounting

C.V. 551

Device for mounting/dismounting bearings of mechanism casing

C.V. 949

Device for mounting and taking apart the elastic pins of the forks

C.V. 1000

Extractor for the fixed pinion of the 5 th step of the secondary shaft

C.V. 1059

Bushing kit for mounting/dismounting the differential bearings

C.V. 1170

Hub extractor of the 5 th step on the primary shaft

C.V. 1175

Screw for mounting the fixed pinion 5 th step

C.V. 552

Device  for extracting the bearing of the secondary shaft on the
clutch – differential crankcase.

C.V. 31-01

Set of punches for elastic pins F 5

C.V. 1162

Chuck for replacing command axle bushings

C.V. 553

Device for dismounting – remounting the clutch shaft bearing

C.V. 554

Bushing for depressing the differential case assembly from the
differential crankcase.

SPECIAL TOOLS

CV   JH3 - 050

21

MANUAL GEARBOX

21 - 10

OBSERVATION :

The dismounting and checking of the spare parts must be done on a surface coated

with rubber or soft plastic.

Before taking apart the gearbox from the vehicle, drain the oil from the gearbox.

DISMOUNTING

Dismount :

- hydraulic receiver cylinder;
- the screws locate inside the  crankcase.

Dismounting the cap attachment screws.
The back cap of the gearbox is extracted so that its setting surface should stay parallel to the

conjoined surface of the gearbox, because this cap contains an oiling groove situated in the cylinder
bore of the primary shaft.

GEARBOX DISMOUNTING

CV   JH3 - 050

21

MANUAL GEARBOX

21 - 11

GEARBOX DISMOUNTING

Engage the 1-St gear with the control lever and the reverse driving by operating the 5-th gear

fork on its axle.

Dismount the primary shaft nut and the secondary shaft screw.

Dismount the fork and the sliding collar of the 5 th step.

Dismount the elastic pin of the  5 th step, by means of the C.V. 3 – 01 mandrel.