GE Industrial Solutions PowerVac with ML-18 or ML-18H Mechanism - Manual (Page 25)

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(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
Figure 16 Toggle linkage positions of the ML-18 mechanism
(Viewed from right side) Continued on next page
NOTE: Orientation of closing cam (item 9) in view A & C are shown when operated by slow closing. Under normal operation
the cam may rotate further in the counter clockwise direction.