General information. Nissan Almera (from 1995 to 1999 of release)
Nissan Almera service from 1995 to 2000 in N15 body
1. General information
2. The general requirements to car repairs
3. Operation and car maintenance
4. Petrol engines
5. Diesel engines
6. Transmission
6.1. Coupling
6.1.1. General information
6.1.2. Removal and installation of the mechanism of coupling
6.1.3. Pumping of a hydraulic actuator of coupling
6.1.4. Adjustment of a full speed of a pedal of coupling
6.1.5. Adjustment of a free wheeling of the lever of switching off of coupling (on cars with a mechanical drive of coupling)
6.2. Mechanical transmission
6.3. Automatic transmission
6.4. Drive of forward wheels
7. Running gear
8. Steering
9. Brake system
10. Electric equipment
11. Body
12. Appendices
13. Electric equipment schemes
 







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6.1.1. General information


Fig. 4.1. Details of coupling with a mechanical drive: 1 — a pedal; 2 — a spring of the servo-driver of a pedal; 3 — a pedal arm; 4 — a drive cable; 5 — the switching off lever; 6 — a switching off fork;
7 — a pin; 8 — the bearing of switching off of coupling; 9 — brackets of fastening of the bearing of switching off of coupling; 10 — a coupling casing assembled; 11 — a conducted disk


Fig. 4.2. Details of coupling with a hydraulic drive: 1 — a pedal; 2 — an ottyazhny spring;
3 — a pedal arm; 4 — a protective cover; 5 — a lock ring; 6 — a persistent washer; 7 — the piston;
8 — a hydraulic actuator tank; 9 — a spring; 10 — the main cylinder of a drive of coupling; 11 — laying;
12 — a washer; 13 — the piston; 14 — a spring; 15 — a damper; 16 — the working cylinder of a drive of coupling;
17 — a protective cover; 18 — a pusher; 19 — the piston; 20 — a cuff; 21 — a spring; 22 — the case of the working cylinder of a drive of coupling; 23 — the union for removal of air (pumping); 24 — a bracket of fastening of the bearing of switching off of coupling; 25 — the bearing of switching off of coupling; 26 — a pin; 27 — a fork of switching off of coupling; 28 — a conducted disk; 29 — a casing assembled; 30 — the lever of switching off of coupling


On the car one-disk dry coupling with the central diafragmenny press spring is applied. Cars with petrol engines are completed with coupling with a mechanical (hummock) drive, cars with the diesel engine — coupling with a hydraulic drive. The conducted disk has the built-in quencher of krutilny fluctuations (damper). The bearing of switching off of coupling ball, being self-aligned. Details of coupling are represented on fig. 4.1 and 4.2. Characteristics of couplings are provided in tab. 4.1.

Table 4.1  of the Characteristic of couplings
Parameter
Engines
GA14DE
GA16DE
CD20, XD20E
SR20
Model
180
190
200
-
Diameter external / internal a conducted disk, mm
180/125
190/132
200/130
215
Thickness of frictional overlays of a conducted disk, mm
3,5
3,5
3,5
-
The most admissible wear of frictional slips *, mm
0,3
0,3
0,3
-
Maximum permissible face palpation of a working surface of a conducted disk / at distance from the center of a nave of a disk, mm
1/85
1/90
1/95
-
Gap between shlitsa of a conducted disk and shlitsa of primary shaft of a transmission **, mm
0,7
0,8
0,8
-
Effort of the mechanism of switching off of coupling, N
3236
3825
4413
-
Shift of petals of a diaphragm, mm
1
1
0,7
-
Full speed of a pedal of coupling, mm
159-169
159-169
156-166
-
Free wheeling of a pedal of coupling, mm
11-15
11-15
9-16
-
Free wheeling of the lever of switching off of coupling, mm
2,5-3,5
2,5-3,5
Hydraulic drive
-
Diameter of the main / working cylinder of a drive of coupling, mm
15,87/17,46
15,87/17,46
15,87/17,46
-
Diameter of a hydraulic quencher of krutilny fluctuations (damper), mm
19,05
19,05
19,05
-
* Thickness of a frictional slip over heads of rivets.
** It is measured on external diameter of a conducted disk.



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6.1.2. Removal and installation of the mechanism of coupling