ABS-EBL working diagram for 6x2 vehicles (trucks)
Legend
1. Compressor
2. Air processing unit - 10.5 bars
3. Air processing unit - 12.5 bars
4. Front axle air tank - 20 l.
5. Parking air tank - 20 l.
6. Rear axle air tank — 30 l. + 20 l.
7. Manual discharge valve
8. Air test point
9. Parking manual control valve
10. Handbrake low pressure switch turned on — 6.4 bars
11. Parking control relay valve
12. Trailer slowing manual control valve
13. Trailer brake servo control valve
14. Trailer system low pressure switch — 6.4 bars
15. Trailer half-couplings
16. Parking system one-way valve
17. Duplex control valve
18. Load ratio relay valve for added axle braking
19. Diaphragm cylinder\
20. Added axle drum brake assembly
21. Rear axle combined cylinder
22. Rear axle drum brake assembly
23. Rear axle phonic wheel
24. Rear axle speed sensor
25. Added axle suspension air springs
26. Added axle load ratio dual stop valve
27. Rear axle ABS solenoid valves
28. EBL pressure sensor
29. ABS electronic control unit
30. Rear axle brake control relay valve
31. Dual stop valve
32. Controlled pressure valve with no return for ASR — 7 bars
33. ASR control solenoid valve
34. Front axle brake control relay valve
35. Front axle ABS solenoid valve
36. Front axle diaphragm brake cylinder
37. Front axle phonic wheel
38. Front axle speed sensor
39. Front axle disc brake assembly
40. Front axle parking brake
41. Brake light control microswitch
42. Microswitch for EDC control unit
A. To the air suspension system
B.
To the service system
*
Optional extra
•
For CM vehicles only
J Version with ASR
Y Version without ASR
S
TRALIS
AT/AD
42
AIR SYSTEM - BRAKES
Base - January 2003