AR42.80-D-1600C | Checking and adjusting axle load-dependent brake (ALB) | 23.11.09 |
MODEL 904, 905
except CODE (J61) Hydraulic brake test connection
except CODE (BB0) Antilock brake system (ABS)
MODEL 690.612 /613 except CODE (BB0) Antilock brake system (ABS)
D42.80-0051-05
Illustrated on model 904
1 Bleed screw on left front axle brake caliper
2 ALB controller
3 Bleed screw on left rear axle brake caliper
Modification notes
30.1.01 | Use of Matra clamp for pinching off brake hoses deleted. Risk of damage! | ||
30.1.01 | Use of Matra clamp for pinching off brake hoses deleted. Risk of damage! |
| Checking | ||
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. | |
| The ALB controllers cannot be repaired. | ||
| Brake fluid notes | All models | |
| Notes on repairs to brake system | All models | |
| Notes on adjusting axle load-dependent brake | ||
1 | Check actuation of axle load-dependent brake | If necessary, replace bearing bushings | |
Long-term grease | |||
2 | Check ALB controller operating lever | ||
3.1 | Connect pressure tester to brake caliper at left front and right | ||
Pressure tester | |||
| Test connection for brake pressure test | ||
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3.2 | Connect pressure tester to brake caliper at left front and right | During repair work with wheels removed | |
Pressure tester | |||
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4 | Adjust ALB controller | ||
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5 | Disconnect pressure tester at front and rear axle | ||
6 | Bleed brake system | After testing, only bleed the brake calipers to which the pressure tester was connected. | |
7 | Check fluid level in reservoir and correct if necessary | ||
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8 | Check brake system for leaks |
Test and adjustment values for ALB controller
Number | Designation | Model 690.612/613 | ||
BE42.80-N-1002-01A | ALB controller linkage | Maximum deflection play of actuator rod | mm | 15 |
See picture | ||||
Front axle brake caliper
Number | Designation | Model 690.6 | Model 904 | Model 905 | ||
BA42.10-N-1002-10A | Bleed screw to brake caliper | M101 | Nm | 16 | 16 | 16 |
Rear axle brake caliper
Number | Designation | Model | Model | Model | |||
BA42.10-N-1003-12A | Bleed screw to brake caliper | M101 | Nm | 16 | 16 | 16 | |
000 589 18 31 00
385 589 05 21 00
Test balance
Brake pedal jack
Repair materials
Number | Designation | Order number |
BR00.45-Z-1001-06A | Long-life grease | A 000 989 63 51 11 |
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