GE PVDB-28kV Instructions Manual page 9

Distribution Breaker
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Section 3. Descri.otion
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Figure 5. Schematic of ML- 78H Mechanism
1. CLOSE SPRING
2. CAM SHAFT
3. MANUAL CHARGE
4. CHARGING ARMS
5. RATCHET WHEEL
6. DRIVING PAWL
7. ONE-WAY CLUTCH
8. CLOSE LATCH
9. CLOSE CAM
10. CLOSE ROLLER
11. PROP
12. OUTPUT CRANK
13. CROSS SHAFT
14. BELL CRANKS
15. OPENING SPRINGS
16. WIPE SPRINGS
17. AUX. SWITCH
18. TRIP SOLENOID
19. TRIP LATCH
20. OVER-TRAVEL STOP
21. LATCH CHECK SWITCH
22. GEAR MOTOR
(Continued on next page)
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