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.