AR42.10-D-1600C | Remove/check/install front axle brake pads | 11.3.10 |
MODEL 904.0## /3## /4## ## up to 951443 with FRONT AXLE 730.411 ## up to 294570
with Wabco-Perrot brake caliper
MODEL 904.012 /412 ## up to 951443 with FRONT AXLE 730.414 ## up to 294570
with Wabco-Perrot brake caliper
D42.10-0096-06
1 Brake carrier
2 Brake pads
3 Spring
4 Top section of brake caliper
5 Screw
6 Wear indicator
Modification notes
| Remove/install | ||
Danger! | Risk of poisoning caused by swallowing brake fluid. Risk of injury caused by brake fluid coming into contact with skin and eyes. | Only pour brake fluid into suitable and appropriately marked containers. Wear protective clothing and eye protection when handling brake fluid. | |
| Brake fluid notes | All models | |
| Notes on repairs to brake system | All models | |
| Notes on evaluating brake disks | ||
1 | Unscrew lid from brake fluid reservoir | ||
2 | Remove front wheels | ||
3 | Remove brake pads (2) | Use M8 screw tap to remove residues of self-locking coating from the guide sleeves. Replace bolt (5) | |
| |||
Brake lining wear limit | |||
Installation: Rub the brake pads at the side guide contact surfaces and piston contact surfaces of the carrier plate lightly with brake pad paste. Only complete sets of brake pads approved by Mercedes-Benz may be installed. Brake pads must be disposed of as special waste. The local authorities can provide information regarding whether disposal is also permitted as industrial waste similar to domestic waste. | |||
Installation: Do not install brake hose twisted and pay attention to clearance | |||
4 | Clean brake parts and check for wear and damage | ||
| |||
| |||
Brake disk wear limit | |||
5 | Push back piston. | ||
| |||
6 | Install in the reverse order | ||
7 | Build up brake pressure | Operate brake pedal several times. | |
8 | Check brake fluid level in reservoir and correct if necessary | ||
| |||
9 | Check brake system for leaks |
Test values for front brake disks
Number | Designation | Model | ||
BE42.10-N-1001-08B | Brake disk | Thickness when new | mm | 22 |
Wear limit | mm | 19 | ||
Lateral runout | mm | 0.05 | ||
Flatness deviation | mm | 0.02 | ||
Repair limit dimension | mm | - | ||
Test and adjustment values for service brake
Front axle brake caliper
Number | Designation | Models | Model | Model 690.6 | ||
BA42.10-N-1004-10A | Guide pin/catch bolt, top section of brake caliper to brake caliper support | M8 | Nm | 25 | 25 | 25 |
M10/10.9 | Nm | 30 | 30 | 30 | ||
000 589 52 43 00
000 589 26 68 00
Pusher tool
Brake caliper brush
124 589 05 19 00
Vernier caliper
Repair materials
Number | Designation | Order number |
BR00.45-Z-1003-06A | Brake pad paste replaced by: A 001 989 94 51 | A 001 989 10 51 |
Referenced documents
- ah4200p000301a Notes on repairs to brake system
- ah4210n940607b Notes on evaluating brake disks
- ah4250p000101a Brake fluid notes
- ap4250d4210a Hydraulic brake system - check fluid level, correct if necessary
- ar4010d1100a Remove/install wheels
- ar4210d160007b Remove front axle brake pads
- ar4210d160009a Push back piston.
- ar4210d160011a Inspect condition of brake system
- as4250z000101a Risk of poisoning from swallowing brake fluid. Risk of injury from skin and eye contact with brake fluid