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
      Removal, check of a state and installation of the converter of rotation (hydrotransformer)
      Removal and installation of the centrifugal regulator
      Removal and installation of the sensor switch of blocking of a starter (permission of start)
      Vacuum knot - installation details
      Removal, service and installation of the secondary pump (AT to No. 3652931)
      Removal and installation of a forward cover with the secondary pump
      Removal and installation of the LB3 piston
      Removal and installation of a back cover of transmission
      Dismantling and assembly of valvate assembly of AT
      Dismantling and assembly of transmission
      Installation and check of a gap in a multidisk brake of B3
      Measurement of a gap in B1 brake
      Coupling of the raising transfer
      Removal, installation and check of components of a brake of BS of the raising transfer and coupling of KS
      Dismantling and assembly of the coupling of a free wheeling
      Dismantling and assembly of planetary mechanisms
      Dismantling and assembly of coupling of K1
      Coupling of K2
      Gear shifting selector lever
   + Automatic transmission 722.6
+ Coupling
+ Brake system
+ Suspension bracket and steering
+ Body
+ Onboard electric equipment

79c5991e

Removal and installation of a forward cover with the secondary pump

Removal

Details of installation of a forward cover with the secondary pump


 PERFORMANCE ORDER

1. Turn off bolts (18).
2. Remove a forward cover (10), having turned off two bolts (18) (arrow).

Dismantling

Details of installation of a forward cover with the secondary pump

1 — the Cover of the case of pump assembly
2 — the Persistent washer
3, 4 — pump Gear wheels
6 — the Epiploon
7 — the Sealing ring
10 — the Forward cover of the transmission
12 — the LB3 Piston
13 — the Spring plug

14 — the Returnable spring
15 — the Lock ring
16, 17 — epiploon Rings
19 — Laying
20 — the Roller bearing
21, 22 — Teflon rings
23 — the Bolt

 PERFORMANCE ORDER

1. Remove the LB3 (12) piston.
2. Turn off bolts (23) and uncover about the forward (10) case of the secondary pump (1) with an intermediate plate (2).
3. Remove an intermediate plate.
4. Remove a radial epiploon (6) and replace it. If the roller bearing (20) is damaged, the secondary pump has to be replaced.
5. Take both gear wheels of the pump (3) and (4) of a pump housing.

Assembly and installation

Assembly and installation are made as it should be, the return to removal.