Dacia Pick-Up 1304/1305/1307. Manual — part 96
37
MECHANICAL ELEMENTS CONTROLS
D
ISMO UNTING
Dismount the return spring (1).
Dismount the control auxiliary connecting rod screw.
Dismount the four attachment support nuts M8 (2) of the gearbox control case.
Dismount the attachment screws M7 of the bellow control lever.
Remove from the vehicle, the gears control assembly .
Dismount the attachment strap (3) from the control rod (4).
Dismount the safety ring from the lever end.
Dismount the control lever from control rod and recover the two elastic washers and
the flat washers.
Dismount the four screws M7 of control box assembly (5) with its support.
Dismount the ring and the protection bellows (6).
Dismount the elastic ring D68 (7).
Take out: assembled bellows, spring, elastic ring, elastic washer, the cap and the ball
bearing.
Take out the control lever.
Check the wear of bushings for axial-radial clearance taking over.
Replace the damaged or worn parts.
GEARBOX CONTROL MECHANISM
37 - 19
3
4
1
7
5
6
2
MECHANICAL ELEMENTS CONTROLS
37
R
EMO UNTING
Re mounting is done by performing in the reverse order, the dismounting operations.
Before mounting grease the parts with grease UM 170LiCa Pb
2
M.
Tighten at the required moment the attachment nuts and screws:
- nuts M8 . . . . . . ..1,5 - 2 daNm
- screws M7 . . . . . . .. 1 - 1,5 daNm
GEARS CONTROL ADJUSTMENT
Engage the end lever of the gearbox in the
velocity step IV.
Place in contact the plug of the control
lever with an adjustment washer of 13 +/- 0,5 mm,
placed between the control box wall and the
plug, observing also the value W = 56 +/-1.
Tighten at the required moment the strap
attachment screws (1,8 –1,9 daNm) and the
elastic joints at the control shaft end
(1,1 – 1,9 daNm) observing the value L=10.
The strap must be in horizontal position
with the screws heads down.
Attach the return spring.
NOTE:
Before mounting grease the joints with
grease LiMoS2
GEARBOX CONTROL MECHANISM
37 - 20
1
2
10
4
3
13
+/- 0,5
38
ELECTROVACUUMATIC CONTROL SYSTEM
4X4 COUPLING
It is used for the Dacia 1304, 1307 vehicles equipped with 51 C type gearbox, for
front transmission coupling. This is allowed after vehicle stopping or during driving, at a
speed of max.10 km/h, after declutching.
The specific elements of this system may be identified in the above drawing:
- the vacuum capsule (12) – attached on the gearbox left half casing (11); it has the
purpose of mechanic control of the front transmission coupling and uncoupling.
- electric valves ( 3 and 4 ) are placed in the engine compartment, on the right wing
lining. These are destined to open or close the vacuum route between the inlet manifold
and the two vacuum capsule compartments ;
- 4x4 switch – is placed on dashboard. When this is operated, the front transmission
coupling is controlled.
- intermediary relay- is placed under the dashboard, on the left side and it is controlling
the lighting of the “ 4 x 4 “ warning light on the instruments panel, when front transmission
coupling is done.
- vacuum tank (5) – is placed in the engine compartment, being attached by means
of a clamp, on the right shock absorber column.
- vacuum control ducts assembly – is performing the vacuum route, between the
inlet manifold , the vacuum tank, electric valves and the vacuum capsule.
38 - 1
1
2
3
4
5
12
7 6
8 9 10
11
PRESENTATION
ELECTROVACUUMATIC CONTROL SYSTEM
4X4 COUPLING
38
- one-way vacuum valve ( 2 ) – is placed on the connection hose between the inlet
manifold and the electric valves.
- “ 4x4 ” coupling control wiring – is performing the connection of the system
components to the vehicle electrical equipment.
The system is working based on the vacuum from the inlet manifold (1), which, during
engine running, is acting on the membrane separating the two vacuum capsule compartments
(12). This will impose the longitudinal movement of the capsule axle, which by means of
the control lever (6) will act upon the front transmission coupling control axle (7), placed
in the gearbox right front part (1) . In this way is performed the front transmission coupling
and the transit from rear drive to all wheel drive (4 x 4).
38 - 2
PRESENTATION
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