Mercedes S-Class W-140

1991-1999 of release

Repair and operation of the car


Mercedes S-Class
+ Mercedes-Benz cars of the class S (W-140)
+ Operation manual
+ Routine maintenance
+ Engine
+ Cooling systems, heating
+ Power supply system and release
+ Engine electric equipment
+ Gear shifting box
- Automatic transmission
   Specifications
   Search of malfunctions - the general information
   + Automatic transmission 722.5
   - Automatic transmission 722.6
      Removal and installation of the AT electrohydraulic control unit (transmission is established)
      Dismantling and assembly of the electrohydraulic control unit
      Dismantling and assembly of a plate of gear shifting
      Dismantling and assembly of the case of transmission and hydrotransformer
      Dismantling and assembly of multidisk brakes of B2, B3 and gear wheel of blocking of transmission in situation "P"
      Dismantling and assembly of a back hollow shaft with the back coupling of a free wheeling
      Removal and installation of a multidisk brake B1 and oil pump
      Dismantling and assembly of the oil pump
      Dismantling and assembly of a multidisk brake of B1
      Dismantling and assembly of a multidisk brake of B2
      Dismantling and assembly of an output shaft with the central and back blocks of planetary gear wheels
      Removal and installation of multidisk couplings K1, K2 and K3
      Dismantling and assembly of coupling of K1
      Dismantling and assembly of the leading shaft with coupling by K2 and the forward block of planetary gear wheels
      Dismantling and assembly of coupling of K3
      Removal and installation of the mechanism of blocking of transmission in situation "P"
      Removal and installation of the lever of the selector of gear shifting
+ Coupling
+ Brake system
+ Suspension bracket and steering
+ Body
+ Onboard electric equipment






Dismantling and assembly of the case of transmission and hydrotransformer

Case of transmission and hydrotransformer

1 — the Case the hydrotransformer
1a, 2a, 3b, 19a — Bolts
2 — the transmission Case
3 — the Pallet
For — the Strut
5 — the Oil filter
12a — Teflon rings
18, 67a — Laying
19 — the AT Electrohydraulic control unit

20 — the Radial epiploon
21 — the Directing plug
21a — Sealing rings
47 — the Nut
48 — the Output flange
67 — the Ball bearing
68 — the Lock ring

Dismantling

 PERFORMANCE ORDER

1. Weaken the directing plug (21) and remove it from transmission.
2. Remove the pallet (3).
3. Remove an oil filter (5).
4. Turn off bolts (19a) and remove the AT (19) electrohydraulic control unit.
5. Remove a flange (48).
6. Vypressuyte a radial epiploon (20), remove laying (67a), a lock ring (68) and a vypressuyta the ball bearing (67) from the transmission case.
7. Remove laying (18).
8. Turn off a bolt (1a) and (2a) from the case the hydrotransformer and transmissions.
9. Remove the case of transmission (2) from the case the hydrotransformer (1).

Assembly

 PERFORMANCE ORDER

1. Grease with sealant and insert into a groove everything together teflon rings (12a).
2. Install the transmission (2) on the hydrotransformer (1), combine disks of brakes of B2 and B3.
3. Wrap bolts (1a) and (2a).
4. Measure a gap between a doggie of the parking brake and the ball bearing. It has to be within 0.3-0 5 mm.
5. Establish laying (18), press the ball bearing in a back part of the case of transmission.
6. Establish laying (67a).
7. Install a radial epiploon (20) in the transmission case.
8. Establish a flange (48).
9. Establish and tighten bolts of fastening of the AT (19) electrohydraulic control unit.
10. Further assembly is carried out as it should be, the return to dismantling.