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Powell 38PV40ARMM-4 Manuals
Manuals and User Guides for Powell 38PV40ARMM-4. We have
1
Powell 38PV40ARMM-4 manual available for free PDF download: Instruction Bulletin
Powell 38PV40ARMM-4 Instruction Bulletin (68 pages)
Vacuum Circuit Breaker
Brand:
Powell
| Category:
Circuit breakers
| Size: 3 MB
Table of Contents
Table of Contents
5
Ch 1 General Information
11
S Cope
12
P Urpose
12
I Nstruction B Ulletins a Vailable E Lectronically
12
Associated I Nstruction B Ulletins
12
Ch 2 Safety
13
S Afe W Ork C Ondition
13
S Afety G Uidelines
14
G Eneral
15
S Pecific
15
X-R Ays
16
S Afety L Abels
16
Ch 3 Equipment Description
17
G Eneral
17
T He S Tored E Nergy M Echanism
17
Mechanical Description
17
Figure 1 Powlvac 38™ ARM 3000A Series 4 Vacuum Circuit Breaker Front View with Cover
18
Figure 2 Powlvac 38™ ARM 3000A Series 4 Vacuum Circuit Breaker Front View no Cover
19
Figure 3 Close-Up View of the Powlvac 38™ ARM 3000A Series
20
Figure 4 Powlvac 38™ ARM 3000A Series 4 Vacuum Circuit Breaker Rear View with Barriers Removed
21
Figure 5 Cam and Fundamental Linkage Positions
23
Figure 6 Mechanism and Trip Linkages
24
Electrical Description
26
General Description
27
Utomatic R Acking M Echanism
27
Figure 7 Operation Sequence
28
Figure 8 Typical Control Scheme
29
Racking Mechanism
31
Ircuit Reaker Ompartment Nterfaces
31
Primary Disconnecting Devices
31
Secondary Disconnecting Devices
32
MOC (Mechanism Operated Cell Switch) Actuator
32
TOC (Truck Operated Cell Switch) Actuator
32
Ground Connection
32
Shutter Rollers
32
Anti-Rollout Latch
32
Acuum I Nterrupters
33
Acuum I Nterrupter C Onnection
33
Ch 4 Installation
34
R Eceiving
34
Andling
34
Figure 9 Circuit Breaker in Shipping Carton
34
S Torage
35
Figure 10 Circuit Breaker on Crane
35
P Lacing the C Ircuit B Reaker I Nto S Ervice
36
High Voltage Insulation Integrity
36
Table a Field Dielectric Test Values
36
Vacuum Integrity
37
Control Voltage Insulation Integrity
39
Mechanical Operation Check
39
Electrical Operation Check
40
Emergency Racking Mechanism Check
41
I Nserting C Ircuit B Reaker I Nto T
41
Compartment
41
Prior to Inserting the Circuit Breaker into the Circuit Breaker Compartment
42
Inserting the Circuit Breaker to the Test/Disconnect Position
43
Figure 11 Inserting Circuit Breaker into Compartment
43
Figure 12 Secondary Disconnecting Device
43
Inserting the Circuit Breaker to the Connected Position
44
R Emoving the C Ircuit B Reaker from the C Ircuit B Reaker C Ompartment
45
Removing the Circuit Breaker from the Connected to the Test/Disconnected Position
45
Removing the Circuit Breaker from the Test/Disconnected Position out of the Circuit Breaker Compartment
46
Ch 5 Maintenance
48
G Eneral D Escription
48
Introduction
48
Inspection and Cleaning
49
M Echanism a Rea
49
Mechanical Operation
49
Lubrication
50
Table B Lubrication
50
Figure 13 Lubrication
52
Figure 14 Lubrication (Cont)
53
Closing Spring Removal
54
Figure 15 Main Closing Spring Assembly Compressed for Removal
54
Figure 16 Main Closing Spring Assembly Installed
54
Slow Closing of Mechanism
55
Mechanism Adjustments
55
Figure 17 Primary & Secondary Trip Prop Adjustment
56
Figure 18 Feeler Gauge
57
Figure 19 Latch Check Switch Adjustment
58
Electrical Operation
60
Acuum I Nterrupter and C Ontact a Rea
60
Vacuum Interrupter and Contact Erosion
60
Vacuum Integrity
60
Mechanical Adjustment of Vacuum Interrupters
60
O Ptional Maintenance P Rocedures
61
High Potential Tests
61
Timing
61
Primary Resistance Check
61
Table C Timing
61
Table D Primary Resistance
61
Figure 20 Primary Current Path
64
Table E Primary Current Path
64
Table F Control Devices
65
Figure 21 Control Devices
66
Table G Miscellaneous Parts
67
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