PNEUMATIC SPEED SETTING CONTROL SCHEMATIC

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PNEUMATIC SPEED SETTING CONTROL

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TM-5-2815-232-14 Engine Diesel Caterpillar Model 3508 Manual

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AIR FUEL RATIO CONTROL

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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