Mercedes S-Class W-220

since 1998 release

Repair and operation of the car


Mercedes W220
+ Mercedes-Benz cars of the class S (W220)
+ Operation manual
+ Routine maintenance
+ Engine
+ Cooling system and heating
+ Power supply system and release
+ Engine electric equipment
+ Automatic transmission
+ Power shafts
- Brake system
   Specifications
   Arrangement of components of the amplifier of emergency brake application of BAS
   Arrangement of components of the ESP system
   Dual main brake cylinder
   Vacuum amplifier
   Brake support
   Check of thickness of a brake disk and overlays of brake shoes
   Removal and installation of brake shoes
   Removal and installation of a forward cable of the drive of the parking brake
   Adjustment of the parking brake
   System of anti-blocking of brakes of ABS, antistrange system - an arrangement of elements
+ Suspension bracket and steering
+ Body
+ Onboard electric equipment
+ Schemes of electric equipment



Dual main brake cylinder

Dual main brake cylinder

1 — the Landing sealant of the tank
2 — the Cuff
3 — the Piston (to a pusher)
4 — the Lock washer
5 — the Lock ring
6 — Vacuum consolidation
7 — the Intermediate ring
8 — the Holder
9 — the Filling washer
10 — Primary coupling
11 — the Basic ring
12 — the Plate of a spring
13 — the Float
14 — the Connecting screw
15 — the Lock screw

16 — a tank Cover
17 — Pruzhina
18 — Ring couplings
19 — the Spring plate
20 — the Piston (a float contour)
21 — Pruzhina
22 — the Case
23 — the Antispray screen
24 — the Mesh filter
25 — the Cover
26 — the Compensator
27 — the Contact insert
28 — the Sealing ring
29 — Location of the lock screw of a step tandem


Elements of the main brake cylinder

3, 7, 20 — Pistons
5 — the Lock ring
8 — the Lock plate
9 — Traffic jams

10 — the Tank
22 — the Case
27 — the Directing finger


The main brake "Tandem" cylinder is shown on an illustration.

Dismantling

 PERFORMANCE ORDER

1. Slightly press a finger 3 and take a cylindrical finger 27 by means of flat-nose pliers.

2. Remove a lock ring 5 and remove the piston 3 together with a secondary epiploon from the case 22.

3. Take the floating piston by means of flat-nose pliers from the case 22.
4. Wipe the case and check the internal surfaces of the case for absence of damage.
5. Wipe all details with new brake fluid.


Assembly

 PERFORMANCE ORDER

1. Disconnect the plug 040 from the plug 041.

2. Take a secondary epiploon and the piston from the plug 041.
3. Fix the case by 22 openings down.
4. Grease a case 22 opening with brake fluid.

5. Insert the plug 040 into an opening and press the floating piston 20 against the stop by means of the screw-driver. At installation of the piston, be convinced that the directing groove (shooter) is established vertically.

6. Implant a cylindrical finger and take the plug 040.
7. Fix the brake cylinder by openings up.
8. Insert a secondary epiploon into the case 22 and press it.

9. Fix the piston 7, insert a lock plate 8 and fix it by a lock ring 5. Make sure that the lock ring 5 is correctly located in a case 22 groove.

10. Grease traffic jams with the 9th brake fluid and press them in the case 22. Install the tank 10 with one tube on the case 22, turn on 180 ° and then establish the second tube to the case 22.

Diameter of the pushing piston of the main brake cylinder: 25.4 mm.

Diameter of the floating piston of the main brake cylinder: 19:05 mm.

Movement of the pushing piston in the main brake cylinder: 17 mm.

Movement of the floating piston in the main brake cylinder: 15 mm.