Iveco Stralis AT/AD. Manual — part 243
79504
Figure 26
1. Compressor — 2. Air processing unit 10.5 bars — 3. Front axle air tank 20 l. — 4. Parking air tank 20 l. — 5. Rear axle
air tank 30 l. — 6. Manual discharge valve — 7. Air test point — 8. Rear axle low pressure switch for ASR — 6.6 bars —
9. Parking system one-way valve — 10. Trailer system low pressure switch — 5.5 bars — 11. Semitrailer half-couplings —
12. Trailer brake servo control valve — 13. Rear axle combined cylinder — 14. Rear axle disc brake assembly — 15. Rear
axle phonic wheel — 16. Rear axle speed sensor — 17. Rear axle brake control electro-pneumatic modulator — 18. Duplex
control valve — 19. EBS electronic control unit — 20. Front axle brake control relay solenoid valve — 21. Front axle
ABS solenoid valves — 22. Front axle diaphragm brake cylinder — 23. Front axle phonic wheel — 24. Front axle
speed sensor — 25. Front axle disc brake assembly — 26. Parking control relay valve — 27. Parking manual control valve —
28. Trailer slowing manual control valve — 29. Handbrake low pressure switch turned on — 6.6 bars —
30. Front axle parking brake - A. To the air suspension system — B. To the service system - * Optional extra
S
TRALIS
AT/AD
30
AIR SYSTEM - BRAKES
Base - January 2003
79505
Figure 27
1. Compressor — 2. Air processing unit 10.5 bars — 3. Front axle air tank 20 l. — 4. Parking air tank 20 l. — 5. Rear axle
air tank 30 l. — 6. Manual discharge valve — 7. Air test point — 8. Rear axle low pressure switch for ASR — 6.6 bars —
9. Parking system one-way valve — 10. Trailer system low pressure switch — 5.5 bars — 11. Semitrailer half-couplings —
12. Half coupling - 13. Trailer brake servo control valve — 14. Rear axle combined cylinder — 15. Rear axle disc brake
assembly — 16. Rear axle phonic wheel — 17. Rear axle speed sensor — 18. Rear axle brake control electro-pneumatic
modulator — 19. Duplex control valve — 20. EBS electronic control unit — 21. Front axle brake control relay solenoid valve —
22. Front axle ABS solenoid valves — 23. Front axle diaphragm brake cylinder — 24. Front axle phonic wheel — 25. Front axle
speed sensor — 26. Front axle disc brake assembly — 27. Parking control relay valve — 28. Parking manual control valve —
29. Trailer slowing manual control valve — 30. Handbrake low pressure switch turned on — 6.6 bars —
31. Front axle parking brake - A. To the air suspension system — B. To the service system - * Optional extra
AIR SYSTEM - BRAKES
31
S
TRALIS
AT/AD
EBS working diagram for 4x2 vehicles (models: AT440S.. /FP-CT/FP-LT)
Figure 28
1. Compressor — 2. Air processing unit 10.5 bars — 3. Front axle air tank 20 l. — 4. Parking air tank 20 l. — 5. Rear axle air
tank 30 l. + 15 l. — 6. Manual discharge valve — 7. Air test point — 8. Rear axle low pressure switch for ASR — 6.6 bars —
9. Parking system one-way valve — 10. Trailer system low pressure switch — 5.5 bars — 11. Semitrailer half-couplings - 12. Trailer
brake servo control valve — 13. Rear axle combined cylinder — 14. Rear axle disc brake assembly —
15. Rear axle phonic wheel — 16. Rear axle speed sensor — 17. Load ratio relay valves for intermediate axle braking —
18. Intermediate axle diaphragm cylinder — 19. Intermediate axle disc brake assembly — 20. Intermediate axle ASR exclusion
solenoid valve — 21. Intermediate axle suspension air springs — 22. Intermediate axle load ratio dual stop valve —
23. Rear axle braking control electro-pneumatic modulator — 24. Duplex control valve — 25. EBS electronic control unit —
26. Front axle brake control relay solenoid valve — 27. Front axle ABS solenoid valves — 28. Front axle diaphragm
brake cylinder — 29. Front axle disc brake assembly — 30. Front axle phonic wheel — 31. Front axle speed sensor —
32. Parking control relay valve — 33. Parking manual control valve — 34. Trailer slowing manual control valve —
35. Handbrake low pressure switch turned on — 6.6 bars — 36. Front axle parking brake -
A. To the air suspension system — B. To the service system - * Optional extra.
79506
S
TRALIS
AT/AD
32
AIR SYSTEM - BRAKES
Base - January 2003
Figure 29
1. Compressor — 2. Air processing unit 10.5 bars — 3. Front axle air tank 20 l. — 4. Parking air tank 20 l. — 5. Rear axle air
tank 30 l. + 15 l. — 6. Manual discharge valve — 7. Air test point — 8. Rear axle low pressure switch for ASR — 6.6 bars —
9. Parking system one-way valve — 10. Trailer system low pressure switch — 5.5 bars — 11. Rear axle braking redundancy valve —
12. Semitrailer half-couplings — 13. Trailer brake servo control valve - 14. Rear axle combined cylinder — 15. Rear axle disc
brake assembly — 16. Rear axle phonic wheel — 17. Rear axle speed sensor — 18. Rear axle braking control electro-pneumatic
modulator - 19. Duplex control valve - 20. EBS electronic control unit — 21. Front axle brake control relay solenoid valve —
22. Front axle ABS solenoid valves — 23. Front axle diaphragm brake cylinder — 24. Front axle disc brake assembly — 25. Front
axle phonic wheel — 26. Front axle speed sensor — 27. Parking control relay valve — 28. Parking manual control valve —
29. Trailer slowing manual control valve — 30. Handbrake low pressure switch turned on — 6.6 bars —
31. Front axle parking brake - A. To the air suspension system — B. To the service system - * Optional extra.
79507
AIR SYSTEM - BRAKES
33
S
TRALIS
AT/AD
EBS working diagram for 6x2 vehicles (trucks)
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