Powell PowlVac IB-60201, Manual

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PowlVac
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STD Vacuum Circuit Breaker
IB-60201
Figures
Figure 1 PowlVac
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STD Vacuum Circuit Breaker Front View with Cover ......................7
Figure 2 PowlVac
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STD Vacuum Circuit Breaker with Front Cover Removed ..............8
Figure 3 PowlVac
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STD Vacuum Circuit Breaker Rear View ........................................9
Figure 4 Cam and Fundamental Linkage Positions ...................................................11
Figure 5 Mechanism and Trip Linkages ......................................................................12
Figure 6 Operation Sequence .....................................................................................14
Figure 7 Typical AC Control Scheme ...........................................................................15
Figure 8 Typical DC Control Scheme ...........................................................................15
Figure 9 Circuit Breaker with Shipping Bracket .........................................................21
Figure 10 Circuit Breaker on Crane ...............................................................................22
Figure 11 Circuit Breaker in Shipping Carton ...............................................................22
Figure 12 Secondary Disconnect Override Device .......................................................26
Figure 13 Secondary Disconnecting Device .................................................................31
Figure 14 Standard Circuit Breaker in Test Position ....................................................31
Figure 15 Pushing Manual Trip Operator & Accessing Racking Drive Shaft ...............32
Figure 16 Racking the Standard Circuit Breaker ..........................................................32
Figure 17 Racking Drive Shaft Extension Insertion .....................................................35
Figure 18 Accessing Racking Drive Shaft Extension ....................................................35
Figure 19 Through Door Racking Option .....................................................................36
Figure 20 Anti-Rollout Latch .........................................................................................38
Figure 21 Lubrication ....................................................................................................42
Figure 22 Lubrication (cont) .........................................................................................43
Figure 23 Main Closing Spring Assembly Compressed for Removal ...........................44
Figure 24 Main Closing Spring Assembly Installed .....................................................45
Figure 25 Primary Trip Prop Adjustment ......................................................................47
Figure 26 Feeler Gauge .................................................................................................48
Figure 27 Latch Check Switch Adjustment ...................................................................49
Figure 28 Tension Relieved on Opening Springs ..........................................................54
Figure 29 Operating Pin Removal.................................................................................54
Figure 30 Lower Contact Block Setting ........................................................................56
Figure 31 Bell Crank Removal .......................................................................................56
Figure 32 Operating Yoke Setting.................................................................................56
Figure 33 Primary Current Path ....................................................................................63
Figure 34 Control Devices .............................................................................................65
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