Dacia SuperNova (engine E7J). Manual - part 8

ENGINE E7J-A-2/60

10

10 - 8

ENGINE AND LOWER ENGINE UNITS

The following are taken off:

-the alternator and its belt;
-the induction coil and the plugs of the

sparks;

-the pipe of the oil-level indicator;
-the mechanism of the clutch disc.

The electric connectors are taken off and

the engine cabling is dismantled.

Then the following are taken off:

-the clapper body;
-the injection ramp;

-the intake collector;
-the thermic screen and the exhaust col-

lector;

-the water intake pipe;
-the thermostat stand;

Pentru automobilele echipate cu instala
ie

de aer conndiºionat  se demomonteazã:

-  rola de întindere, prin desfacerea

ºuruburilor F ºi G;

- cureaua compresorului;
- conectorul electric al compresorului;
- compresorul;
- suportul compresorului ºi suportul

intermediar.

ENGINE DISMMOUNTING

SEPARATION - DISMANTLING

ENGINE  E7J-A-2/60

10

10 - 9

ENGINE AND LOWER ENGINE UNITS

The dismantling (taking apart) operations are done in the reverse order;
The screws and screw-nuts are tightened to the couple.

ENGINE MOUNTING

 

IT IS COMPULSORY TO  CHANGE ALL  THE DISMANTLED  FITTINGS!

TIGHTENING COUPLES 

 (daNm)

Fixing the alternator:

-M 10-125 screw

5

-M 10-35 screw

2,1

Clutch mechanism

2

Intake collector

2,,5

Exhaust collector

2,5

Fixing the compressor

4

Compressor stand

4

Intermediate stand

2

Stretching spool

2

SEPARATION - DISMANTLING

ENGINE E7J-A-2/60

10

10 - 10

ENGINE AND LOWER ENGINE UNITS

Combustion head height

113 +/- 0,05 mm

Maximum distortion of the plane of the fitting

0,05 mm

No rectification is authorized

Volume chambers (with valves and spark plugs)

26,25 cm

3

+/-0,6

Couple of spark plug tightening

2,5 - 3 daNm

VALVES

Diameter of base

7 mm

Angle of sealing face

-intake

120

0

-exhaust

 

 90

0

Diameter of platter

-intake

37,5+/-0,1 mm

-exhaust

33,5+/-0,1 mm

CHARASTERISTICS

COMBUSTION HEAD

The combustion head is not restricted. Adjustment of rocker arms is done only in cool

mode, and only when there are engine interventions which have an influence on their play.

The adjustment values are:

-for intake: 0.10
-for exhaust: 0.25

ENGINE  E7J-A-2/60

10

10 - 11

ENGINE AND LOWER ENGINE UNITS

VALVE STOOLS

Angle of sealing face 

(a)

-intake

120

0

-exhaust

  90

0

Length of sealing face (x)

-intake

   1,7+/-0,1mm

-exhaust

   1,7+/-0,1mm

Outer diameter (D)

-intake

38,5 mm

-exhaust

34,5 mm

VALVE GUIDES

The intake and the exhaust guides are equipped with oil-sealings, which have to be

replaced for every dismantling (taking apart) of the valves.

Inner diameter

7 mm

Outer diameter

12 mm

Position in relation to the side of the
spring placement on the combustion head:

-intake  

 (A)

 12,34 mm

-exhaust  (E)

12,34 mm

Înclinarea fa
ã de verticalã (b)

17

0

CHARASTERISTICS