Howard Small Power - Manual (Page 3)

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IMPORTANT SAFETY INFORMATION .................................................................................................................................................................. 2
IMPORTANT INFORMATION ABOUT THESE INSTRUCTIONS ............................................................................................................................. 2
RECEIVING INSPECTION .................................................................................................................................................................................... 4
Drawings and Documents ........................................................................................................................................................................... 4
External Inspection ...................................................................................................................................................................................... 4
Tank Pressure .............................................................................................................................................................................................. 4
Internal Inspection ...................................................................................................................................................................................... 4
HANDLING .......................................................................................................................................................................................................... 5
Lifting ........................................................................................................................................................................................................... 5
Jacking, Skidding, and Rolling .................................................................................................................................................................... 5
STORAGE ............................................................................................................................................................................................................. 6
Transformer Storage .................................................................................................................................................................................. 6
Extended Storage ....................................................................................................................................................................................... 6
INSTALLATION ..................................................................................................................................................................................................... 7
Location and Mounting ............................................................................................................................................................................... 7
Opening Transformer Tank .......................................................................................................................................................................... 7
Installation of Detachable Radiators ......................................................................................................................................................... 8
Filling Installed Radiators with Fluid .......................................................................................................................................................... 8
Installation of Surge Arresters .................................................................................................................................................................... 9
Installation of Air Terminal Chamber and 15kV or 5kV Switchgear Adapters ......................................................................................... 9
Pre-energization Tests and Checklist ......................................................................................................................................................... 9
COMPONENTS AND ACCESSORIES .................................................................................................................................................................11
Transformer Nameplate ............................................................................................................................................................................11
Control Cabinet ..........................................................................................................................................................................................11
Alarm Switch Ratings ................................................................................................................................................................................11
Current Transformers ................................................................................................................................................................................11
Pressure/Vacuum Gauge ..........................................................................................................................................................................11
Automatic Pressure Relief Device ............................................................................................................................................................11
Fluid Level Gauge ......................................................................................................................................................................................12
Fluid Temperature Gauge .........................................................................................................................................................................12
Winding Temperature Gauge ....................................................................................................................................................................12
Thermal Overload Relay ............................................................................................................................................................................12
Rapid Pressure Rise Relay ........................................................................................................................................................................12
Transformer Cooling Fans .........................................................................................................................................................................12
De-energized Tap Changer ........................................................................................................................................................................13
Dual-Voltage or Delta/Wye Switch ...........................................................................................................................................................13
High-Voltage Bushings ..............................................................................................................................................................................14
Low-Voltage Bushings ...............................................................................................................................................................................14
Surge Arresters ..........................................................................................................................................................................................14
Radiators ....................................................................................................................................................................................................14
MAINTENANCE .................................................................................................................................................................................................15
Periodic Tests and Inspections .................................................................................................................................................................15
Sampling of Insulation Fluid ....................................................................................................................................................................15
Gaskets ......................................................................................................................................................................................................16
Additional Maintenance Instructions .......................................................................................................................................................16
Repair Parts ...............................................................................................................................................................................................16
Warranty Claims ........................................................................................................................................................................................16
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