GE Industrial Solutions Power-Vac ML-20 Mechanism - Manual (Page 25)

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Figure 14 Toggle linkage positions of the ML-18 mechanism
(Viewed from right side) Continued on next page
(A) Breaker open - spring discharged
1. Output crank
2. Jackshaft
3. Trip latch
4. Trip roller
5. Closing roller
6. Trip link
7a. Closing toggle
7b. Closing toggle
8. Prop
9. Closing cam
10. Prop spring
11. Linkage return spring
NOTE: Shading indicates fixed pivots
(B) Breaker open - spring charged