GE Industrial Solutions Power-Vac ML-20 Mechanism - Manual (Page 36)

36
INDEX
A
Adjustments (Table 3) 35
Auxiliary Switch Replacement 22
C
Close Coil Plunger 24
Close Coil Plunger Gap 12, 24
Close Latch Stop Bolt 24, 34
Close Spring Charging 9
Closing Coil Replacement 22
Closing Operation 8
Closing Spring Charging 8
Closing Spring Discharge Interlock 24
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
Install Front Cover 6
Installation 16
Insulation Tests 15
Interlock Functional Check 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) 35
Mechanical Adjustments
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 24, 34
Negative Interlock Roller 7, 24
O
Opening and Closing Speed 19, 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
“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 23, 34
Storage 5
T
Timing 19
Instantaneous Reclose Time 19
Trip-Free Operation 19
Transfer Finger Wear 17
Trip Coil & Linkage 31
Trip Coil Plunger 12, 24
Trip Coil Plunger Gap 12
Trip Coil Replacement 21
Trip-Free Operation 9
Trouble Reporting 17, 37
Table 2 Measurements 36
Table 3 Adjustments 36
V
Vacuum Interrupter Integrity Test 14
Visual Inspection 9
W
Wipe Adjustment 23
Wipe Spring Compression 11
Wiring Diagram 29
Y
“Y” Relay Replacement 21