E30 series BMW 3

since 1983-1994 of release

Repair and car operation



E30 BMW
+ 1. Maintenance instruction
+ 2. Maintenance
+ 3. Engine
+ 4. Cooling system
+ 5. Heating and ventilation
+ 6. Fuel system
+ 7. Exhaust system
+ 8. Transmissions
- 9. Coupling
   9.2. Specifications
   9.3. Coupling check
   9.4. Main cylinder of coupling
   9.5. Coupling pedal
   9.6. The blocking switch of coupling
   9.7. Working cylinder of coupling
   9.8. Air removal from a coupling hydraulic actuator
   9.9. Coupling details
   9.10. Driveshaft
   9.11. Elastic coupling
   9.12. Average support
   9.13. Kardannye hinges
   9.14. The forward aligning plug
   9.15. Driveshaft CV JOINT
   9.16. Semi-axes
   9.17. CV JOINTS and covers
   9.18. Epiploons of a reducer of a back axis
   9.19. Reducer of a back axis
   9.20. Epiploon of a leading gear wheel of a reducer
+ 10. Brake system
+ 11. Running gear
+ 12. Body
+ 13. Electric equipment
+ 14. Good advice



9.2. Specifications

GENERAL INFORMATION

Distance from a pedal edge to a partition
235 +10 mm
Palpation of a frictional disk
no more than 0,5 mm
Thickness of a disk
not less than 7,5 mm
Admissible люфты flanges:
  – Axial люфт check point flange
no more than 0,10 mm
  – Radial люфт
      • check point flange
no more than 0,07 mm
      • a reducer flange (it is measured on an aligning fillet)
no more than 0,07 mm
Preliminary tightness of the bearing of an average support (in the direction of a forward part of the car)
4–6 mm
Люфт in kardanny hinges
no more than 0,15 mm

Inhaling moments (N of m).

Bolts of fastening of the main cylinder
22
Bolts of fastening of the working cylinder
22
Bolts of fastening of coupling to a flywheel
24
Driveshaft:
  – Bolt of an average fork of the kardanny hinge
97
  – Bolts of fastening of an average support
21
  – Blooming plug of a shlitsevy site
10

  – Bolts of fastening of the driveshaft to a flange of a reducer of the back bridge:

      • a nut with a nylon insert
64
      • ridge nut
90
Bolts of the elastic coupling:
  – М10 (class 8, 8) 777
48
  – М10 (class 10,9)
64
  – М12 (class 8, 8)
81
  – М10 (class 10,9)
100
Semi-axes:
  – bolts М10 without kontrovochny tooth
83
  – bolts М10 with kontrovochny tooth:
     • a bolt with internal 6-faced deepening
96
     • bolts with a 4-faced head
100
  – bolts М8 with kontrovochny tooth
64
  – bolts М12
110
Semi-axis nut
200
Nut of a flange of a leading gear wheel of a reducer:
  – bolt М20
185 (no more) or to tighten before combination of labels
  – bolts М22
210 (no more) or to tighten before combination of labels