Dacia Pick-Up 1304/1305/1307. Manual - part 50

MANUAL GEARBOX

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GLOSSARY

Operations to be performed.

Checking

A. NOISY GEAR SHIFTING

(AFTER  CLUTCH CHECKING)

Dismount the gearbox.

Check the sinchro assembly of the velocity step :

                - friction cones of the synchro pinion and gear;
                - synchro hub,springs and wedges;
               - coupling gears of the pinion and the sliding gear.

B. IMPOSSIBILITY OF GEAR COUPLING

( AFTER CLUTCH CHECKING )

    Check  gear linkage.

 Adjust gear linkage.

       Check the wear
     of linkage gear.

 Dismount the gearbox.

Check gear shifting and
coupling of  the velocity steps.
 Check synchro cones and
wedges.

  Replace defective

parts.

    Adjust gear linkage.

          BAD

GOOD

GOOD

        BAD

DIAGNOSTICS

MANUAL GEARBOX

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DIAGNOSTICS

C. SLIPS  OUT  OF VELOCITY  STEPS OF  GEAR BOX

D. BLOCKING  IN  A  VEELOCITY  STEP

Check the situation

of  brackets of assembly.

Checking of the
wea and adjustment
of the linkage gear

 Tighten brackets

attachment screws

      or replace  brackets.

 Dismount the gearbox:
 Check coupling teeth of the shifter
sleeves and pinions.
 Check shifter fork contact surfaces with
shifter sleeves.
 Check roller attachment system.
 Replace defective parts.

Replace defective parts
of the gear linkage.
 Adjust the gear linkage.

GOOD

GOOD

BAD

BAD

     

 Check adjustment of

       the gearbox control.

Check  the state of the
parts  composing the
gearbox control.

     Adjust gearbox

control.

Dismount the  gearbox and check:
- shifting and coupling mechanism;
- shift fork-axle assembly;
- elements of blocking system.
 Replace defective parts.

Replace damaged parts of the
control system.
Adjust gear linkage.

GOOD

BAD

GOOD

BAD

MANUAL GEARBOX

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DIAGNOSTICS

E. UNUSUAL NOISES  DURING DRIVING

  Stop the vehicle.
  Bring the gear shifting handle to
dead point.
   Let the engine running.

The noise stops.

Check the state of
clutch stroke.

Check transmission

state.

Check the clutch
 control system.
 Replace defective  parts.

Check the level of the
gearbox oil.
Fill to proper level if
needed.

       

Repair the

    transmission.

The  noise stops.

Check the wear of
wheels bearings.

Declutching, press the
clutch pedal to  end of
stroke.

STOP

   The noise stops.

    Replace the
wheels bearings.

Dismount the gearbox and
set it in working state.

Search for noise source at
the engine assembly level.

YES

YES

YES

NO

NO

NO

GOOD

GOOD

GOOD

BAD

BAD

BAD

MANUAL GEARBOX

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CHARACTERISTICS

    The  365, 50C, 51 C gearboxes are monoblock type , mechanical in steps (5 forward
steps  and one reverse step).

The forward driving velocity steps are provided with Borg – Warner synchronizers.
The reverse driving step is not synchronized.

     Capacity gearbox (liters) : C.V. 365............2,3

C.V. 50C...........2,2
C.V. 51C...........2,3

  Oil utility: SAE 80W/90; API GL 5

G

EARBOX

T

YPE

V

AR

.

  C

O NICAL

G EARS

 

RATIO

S

PEEDO

METER

RATIO

R

ATIO

E

NG INE

C

LUTCH

50C

30
32
33
78

-

6X13

I. 42X11

II. 38X17

III. 34X23
IV. 29X28

V. 29X38

M.Î.40X13

3,81
2,23
1,47
1,03
0,76
3,07

51C

31
37
38
73
76

9X41

102; 106

106
106

102; 106

102; 106

106
106
102
106

Φ200 GR
Φ200 DBR
Φ200 DBR
Φ180 DBR;
Φ200 GR
Φ200 GR
Φ200 DBR
Φ200 DBR
Φ180 DBR
Φ200 GR

365

32

37

13

17

8X33

6X12

I. 42X11

II. 38X17

III. 34X23
IV. 29X28

V. 31X36

M.Î.40X13

I. 42X11

II. 38X17

III. 34X23
IV. 33X34

V. 31X36

M.Î.40X13

3,81
2,23
1,47
0,97
0,86
3,07

3,81
2,23
1,47
1,03
0,86
3,07

102
106

102
106

106

Φ180 DBR

Φ200 GR

Φ180 DBR
Φ200 GR

8X33

6X12

Φ180 DBR

Φ200 DBR

 

N

UMBER

OF

TEETHES