Hydraulic system function, soft top closing: Notes

Fig 1: Hydraulic System Circuit Diagram (Soft Top Closing)

Courtesy of SAAB-SCANIA OF AMERICA, INC.

1. Hydraulic valve 1 (Fifth bow DOWN)
2. Hydraulic valve 2 (Main hydraulic cylinder UP)
3. Hydraulic valve 3 (Fifth bow UP)
4. Hydraulic valve 4 (Main hydraulic cylinder DOWN)
5. Electric motor
6. Emergency operation valve
7. Main hydraulic cylinder, LH
8. Main hydraulic cylinder, RH
9. Fifth bow hydraulic cylinder, LH
10. Fifth bow hydraulic cylinder, RH
11. Soft top cover cylinder
12. Pressure reduction valve (push)
13. Pressure reduction valve (pull)
14. Inlet valve
15. Shuttle valve
16. Oil reservoir

The following description only illustrates the operation of the hydraulic system when closing the soft top.