Powell PowlVac PV38, Instructions Manual

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PowlVac ® Electrically-Operated Ground and Test Device IB-65060
Contents
I. INTRODUCTION ............................................................................................................. 5
A. SCOPE ................................................................................................................................................ 5
B. PURPOSE ........................................................................................................................................... 5
C. INSTRUCTION BULLETINS AVAILABLE ELECTRONICALLY ........................................................... 5
II. SAFETY .......................................................................................................................... 5
A. GENERAL ............................................................................................................................................ 5
B. SPECIFIC ............................................................................................................................................ 6
C. X-RAYS ................................................................................................................................................ 7
III. EQUIPMENT DESCRIPTION .......................................................................................... 7
A. GENERAL DESCRIPTION .................................................................................................................. 7
B. POWER GROUNDING SWITCH OPERATION .................................................................................. 7
1) Closing ........................................................................................................................................... 7
2) Opening ......................................................................................................................................... 7
C. KEY LOCKS ......................................................................................................................................... 7
1) Key Lock K1 (Keys KU and KB) .................................................................................................... 7
2) Key Lock K2 (Keys KB and KC) .................................................................................................... 7
3) Key Lock K3 (Key KC) ................................................................................................................... 8
4) Key Lock K4 (Keys KB and KD) .................................................................................................... 8
5) Key Lock K5 (Key KD) ................................................................................................................... 8
D. CONTROL SELECTOR SWITCH ....................................................................................................... 8
E. INTERCHANGEABILITY ..................................................................................................................... 8
IV. INSTALLATION ............................................................................................................ 12
A. RECEIVING ....................................................................................................................................... 12
B. HANDLING ........................................................................................................................................ 12
C. STORAGE ......................................................................................................................................... 12
D. PREPARING THE ELECTRICAL GROUND AND TEST DEVICE FOR USE ................................... 13
1) High Voltage Insulation Integrity .................................................................................................. 13
2) Vacuum Integrity .......................................................................................................................... 13
3) Control Voltage Insulation Integrity .............................................................................................. 14
4) Electrical Operation Check .......................................................................................................... 14
E. INSERTING THE ELECTRICAL GROUND AND TEST DEVICE INTO THE METAL-CLAD
SWITCHGEAR .................................................................................................................................. 14
1) Electrical Ground and Test Device Inspection ............................................................................. 14
V. OPERATING PROCEDURES ....................................................................................... 15
A. PROCEDURE FOR APPLYING GROUNDS ..................................................................................... 15
B. PROCEDURE FOR TESTING FEEDER ........................................................................................... 20
C. PROCEDURE FOR REMOVING TEST PROBES ............................................................................ 27
D. PROCEDURE FOR REMOVING GROUNDS ................................................................................... 33
VI. MAINTENANCE ............................................................................................................ 37
A. GENERAL .......................................................................................................................................... 37
B. INSPECTION AND CLEANING ......................................................................................................... 37
C. LUBRICATION ................................................................................................................................... 37
VII. RENEWAL PARTS ........................................................................................................ 37
A. ORDERING ........................................................................................................................................ 37
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