Index – GE Industrial Solutions PowerVac with ML-18 or ML-18H Mechanism User Manual
Page 37

37
INDEX
A
Adjustments (Table 3) 36 
Auxiliary Switch Replacement 22 
 
 
C
Close Coil Plunger 24 
Close Coil Plunger Gap 12, 24 
Close Latch Stop Bolt 24, 35 
Close Spring Charging 9 
Closing Coil Replacement 22 
Closing Operation 8 
Closing Spring Charging 8 
Closing Spring Discharge Interlock 7 
Closing Spring Gag 10 
Closing Spring Gag Interlock 23 
Contact Erosion 17 
Contact Gap 11 
Contact Gap Adjustment 23 
Control Circuit 9 
Control Switch Adjustment 12 
 
 
D
Description 5 
Dimensional Checks 11 
 Close Coil Plunger Gap 12 
 Close Coil Linkage 32 
 Contact Gap 11 
 Control Switch Adjustment 12 
 Primary Contact Erosion 11 
 Spring Wipe 11 
 Trip Coil Plunger Gap 12 
 
 
E
Electrical Checks 14 
 Electrical Operation 14 
 High-Potential Test 14 
 Insulation Test 15 
 Primary Circuit 14 
 Primary Circuit Resistance 14 
 Secondary Circuit 14 
 Interrupter Integrity Test 14 
Electrical Operation 14 
 
 
F
Fault Interruptions 17 
Features 6 
 
 
G
Gag Plate Removal 10 
General 5, 8, 17, 21, 23 
 
 
H
Handling 5 
High-Potential Test 14 
 
 
I
Front Cover 6 
Installation 16 
Insulation Tests 15 
Interlocks 6, 7 
 Spring Discharge Interlock 6 
 Closing Spring Gag Interlock 7 
 Negative Interlock Roller 7 
 Positive Interlock Bar 7 
 Rating Interference Plate 6 
Introduction 4 
 
 
L
Lubrication 18 
 
 
M
Maintenance 4, 17 
 Contact Erosion 17 
 Fault Interruptions 17 
 General 17 
 Lubrication 18 
 Mechanism 17 
 PowerVac Interrupter 17 
 Primary Insulation Parts 17 
 Service Conditions 17 
 Transfer Finger Wear 17 
Measurements (Table 2) 36 
Mechanical Adjustments 23 
 Close Coil Plunger 24 
 Close Latch Stop Bolt 24 
 Contact Gap 23 
 Negative Interlock 24 
 Spring Discharge Interlock 24 
 Trip Coil Plunger 24 
 Wipe Adjustment 23 
Mechanical Checking and Slow 
 Closing 9, 10 
Mechanism 17, 21, 33 
Motor Replacement 22 
 
 
N
Negative Interlock 7, 24, 34 
Negative Interlock Roller 24 
 
 
O
Opening and Closing Speed 20 
Opening Operation 9 
Operation 8, 9 
Ordering Instructions 23 
 
 
P
Positive Interlock Bar 7 
PowerVac Interrupter 17 
Primary Circuit 14 
Primary Circuit Resistance 14 
Primary Contact Erosion 11 
Primary Disconnect Fingers 21 
Primary Insulation Parts 17 
 
 
R
Rating Interference Plate 6 
Receiving 5 
Recommended Maintenance 17, 18 
Renewal Parts 23 
 Ordering Instructions 23 
Repair and Replacement 21 
 “Y” Relay 22 
 Auxiliary Switch 22 
 Closing Coil 22 
 Control Switches 21 
 Interrupter Assemblies 21 
 Motor 22 
Primary Disconnect Fingers 21 
 Trip Coil 21 
 
 
S
Safety 4 
Safety Precaution 6 
Secondary Circuit 14 
Service Conditions 17 
Slow Closing 9, 10 
Spring Discharge Interlock 6, 24 
Spring Wipe 11, 35 
Storage 5 
 
 
T
Timing 19 
 Instantaneous Reclose Time 19 
 Trip-Free Operation 19 
Transfer Finger Wear 17 
Trip Coil & Linkage 31 
Trip Coil Plunger 24 
Trip Coil Plunger Gap 12 
Trip Coil Replacement 21 
Trip-Free Operation 9 
Trouble Reporting 38 
Table 2 Measurements 36 
Table 3 Adjustments 36 
 
 
V
Vacuum Interrupter Assembly 16 
Vacuum Interrupter Integrity Test 14 
Visual Inspection 9 
 
 
W
Wipe Adjustment 23 
Wipe Spring Compression 11 
Wiring Diagram 29 
 
 
Y
“Y” Relay Replacement 22
