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Figure 29 Working diagram of air suspensions for 6x2Y/FP/FS-D/FP-D vehicles 73712 1. Front level sensor — 2. Front axle air spring — 3. Front axle electro-pneumatic control valve — 4. Rear and added third axle electro-pneumatic control valve— 5. Pressure test point — 6. Rear axle air spring — 7. Rear level sensor— 8. Rear axle suspension pressure switch — 9. Rear added axle suspension pressure switch — 10. Rear added axle air spring — 11. Check valve— 12. Rear added axle lift pressure switch — 13. Rear added axle lift air spring —14. Controlled pressure valve with limited return (opening pressure 8.5 bars)— 15. Manual condensate bleed valve — 16. 30-litre air tank — 17. 80-litre air tank 18. Pressure switch (opening pressure 8 bars) 19. MUX electric system — 20. Check valve. 32 SUSPENSIONS S TRALIS AT/AD Base - January 2003 |