3161 GOVERNOR
SYSTEMS OPERATION
PNEUMATIC SPEED SETTING CONTROL SCHEMATIC 1. Speed setting bellows. 2. Speed setting piston. 3. Orifice. 4. Spring seat. 5. Pilot valve loading spring. 6. Speed setting pilot valve plunger. 7. Base speed adjusting screw. 8. Upper speed setting bias spring. 9. Speed setting lever. 10. Lower speed setting bias spring. 11. Pivot. 12. Nozzle. 13. Feed-back spring.
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