Repair Manual

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
76 8 9
10
11
PRESENTATION
vnx.su