GE Industrial Solutions PowerVac with ML-18 or ML-18H Mechanism - Manual (Page 3)

3
List of Illustrations
Figure Page
1 Front view of PowerVac ® breaker with front cover ................... 6
2 Rating interference plate........................................................... 6
3 Front view of PowerVac breaker without front cover ................ 8
4 Manual charging........................................................................ 9
5 Gag plate installation ................................................................. 10
6 Operating rod assembly ............................................................ 10
7 Contact gap ............................................................................... 11
8 Breaker turned on right side...................................................... 11
9 Close coil plunger gap ............................................................... 12
10 Trip coil plunger gap .................................................................. 12
11 Control switches ....................................................................... 13
12 Sample operating speed graphs................................................ 19
13 Contact gap adjustment ............................................................ 20
14 Auxiliary switch position ............................................................ 22
15 Spring discharge interlock ......................................................... 24
16 Toggle linkage positions of the ML-18 mechanism ................... 25
17 Schematic of ML-18 mechanism............................................... 27
18 Typical wiring diagram for ML-18 mechanism ........................... 29
19 PowerVac
® breaker left-front view ............................................ 30
20 PowerVac ® breaker right-rear view ........................................... 30
21 Trip coil and linkage................................................................... 31
22 Close coil linkage....................................................................... 32
23 Bottom view of the ML-18 mechanism..................................... 33
24 Flex cable connections .............................................................. 34
25 Negative interlock ..................................................................... 34
26 Close latch stop......................................................................... 35
27 Wipe spring............................................................................... 35
Table Page
1 Control Device and Voltage..................................................... 18
2 Measurements ....................................................................... 36
3 Adjustments............................................................................ 36
THESE INSTRUCTIONS ARE INTENDED FOR USE BY QUALIFIED PERSONNEL FOR INSTRUCTION AND MAINTENANCE PURPOSES.
REPRODUCTION IN WHOLE OR IN PART IS NOT PERMITTED WITHOUT THE EXPRESS PERMISSION OF GENERAL ELECTRIC.