DACIA SUPERNOVA 2004 Repair Manual

20
CLUTCH
CLUTCH DISC MECHANISM
REPLACEMENT
This operation is done after taking apart the engine - gearbox ensemble and after
their separation.
The stopping sector MOT 582 is mounted.
The screws fixi ng th e mechan ism are taken off.
The mechan ism and the clutch disc are taken apart.
Visual inspection is done: - wear of engi ne flywheel;
- co ndition of the starter crown;
- watertightness at the level of the crankshaft fitting;
- co ndition of the flywheel surface (it must not have scratches).
The fau lty parts are replaced and the grooves of the clutch shaft are cleaned.
SPECIAL DEVICES
MOT 582 Flywheel immobilizing sector
AMB 1518 Clutch centering device
TIGHTENING COUPLES (daNm)
Clutch mechanism screws 2
20 - 9
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20
CLUTCH
The clutch disc is mounted with the A damping flange towards the gearbox
The clutch d isc is centered with the AMB 1518 centering device
The clutch mech anism is mounted;
Th e fixing screws are progressively put on the thread of the mechanism, then they are tight-
ened to the couple;
The MOT 582 fly wheel-stopping sector is taken off.
CLUTCH DISC MECHANISM
20 - 10
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CV JH3 - 05021
MANUAL GEARBOX
21 - 1
SECTIONS
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CV JH3 - 05021
MANUAL GEARBOX
21 - 2
IDENTIFICATION
A
- type of gearbox
B - i ndex of ge arbox
C - manufacturer’s number
D - manufacturing factory
000 000
0 0000 00
A B
D C
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CV JH3 - 05021
MANUAL GEARBOX
21 - 3
TIGHTENING MOMENTS
DESCRIPTION
A
ttachment screws of the mechanism crankcase on the clutch –
di fferential case
S econdary shaft screw
Primary shaft nut
Back cap fixing screws
Oil draining plug
R everse driving contact
S crews for fixing the bellows – left transmission cap assembly
Screws for fixing gearbox on engine case (M10 – 90)
Screws for fixing gearbox on engine case (M10 – 35)
S crews for fixing gearbox on engine
LOCTOU fixing screw
Screws for fixing the RPM sensor on the clutch c ase
S crews for fixing the control axle assembly
S crews for fixing hydraulic receiver on clutch case MOMENT
(daNm)
2,57
19
2,5
2,5
2,5
2,5
4,4
2,1
4,4
0,5
0,8 2
2,1
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CV JH3 - 05021
MANUAL GEARBOX
21 - 4
RATIOS
GEAR STEP
I II III IV V M.I.
NR.OF TEETH 41/11 43/21 39/28 35/34 31/39 39/11
RATIO 3.727 2.048 1.393 1.029 0.795 3.545
GB INDEX VEHICLE MAIN MILEAGE
TRANSMISSION GEARING
JH3-05 SupeRNova 15/56 21/19
RATIOS
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CV JH3 - 05021
MANUAL GEARBOX
21 - 5
CAPACITY , LUBRICANTS
Oil used : 75 W – 80 W; API GL5.
The qu antity of oil needed for the gearbox operation is 3. 5 liters .
Th e oiling of the gearbox parts is done by splash lubrication.
Checking of the oil level is done through the filling plug A.
CAPACITY , LUBRICANTS
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CV JH3 - 05021
MANUAL GEARBOX
21 - 6
PARTICULARITIES
The gears grid is similar to that of the gearboxes previously mounted on the DACIA
SupeRNova vehicles, the only difference being the reverse driving, which is located on the right
s ide and backwards.
The synchronizers are BORG – WARNER type.
The synchronizing hub – sliding collar, and the synchronizing hub – shaft assemblies are com-
posed of matching parts . The synchronizing hubs are freely mounted on the secondary shaft and are maintained axially
through safety devices of the ring type. The cylindrical moment of the differential is not adjustable.
The differential assembly is supported on the gearbox crankcases by means of the bearings.
The primary and secondary shafts support at the clutch side is done by means of roll – bear-
ings, which get into direct contact with the shaft (the bearings do not have inner ring, its purpose
being taken over by the shafts). The reverse driving pinion is delivered mounted on the shaft. PARTICULARITIES
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CV JH3 - 05021
MANUAL GEARBOX
21 - 7
TYPEUSE
Molykote “BR 2” Grooves of the differential planetary pinion
Crankcase assembling
Loctite 518 Thread of reverse driving contact
Grooves of fixed pinion of 5 Th gear
Grooves of 5 Th gear hub
Loctite FRENBLOC Primary shaft nut
Secondary shaft screw
INGREDIENTS
IN
GREDIENTS
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CV JH3 - 05021
MANUAL GEARBOX
21 - 8
PA
RTS 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 ga skets. PA
RTS OF SYSTEMATIC REPLACEMENT
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