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 HYDRAMECHANICAL PROTECTIVE SYSTEM
SYSTEMS OPERATION
SCHEMATIC NO. 17 (OVERSPEED FAULT)
2. Emergency manual shutoff valve. 3. Selector valve. 5. Speed sensing valve spool. 8. Low speed oil
protection valve. 9. High speed oil protection valve. 10. Oil pump. 11. Oil pressure relief valve. 13. Oil
pressure switch. 14. Orifice. 15. Diverter valve orifice. 16. Remote normal shutoff valve. 17. Fuel shutoff
actuator. 18. Diverter valve. 19. Engine oil pressure orifice. 20. Start-up override valve. 21. Thermostatic pilot
valve. 22. Air inlet sequence valve. 23. Pilot operated two-way valve. 24. Fuel shutoff sequence valve. 25. Air
inlet shutoff. 26. Air inlet shutoff actuator.
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