Table Of Contents - ABB HPA 12kV Instruction For Installation, Service And Maintenance

1.1 Data
1.2 Construction & Function
1.2.1 Breaker Poles
1.2.2 Operating mechanism
1.3 Maintenance
1.3.1 Maintenance schedule
1.3.2 Checking and refilling of SF gas
1.3.3 Control of gas pressure
(Only for poles without pressure gauge)
1.3.4 Checking for operating speed and time
1.4 Service instruction
1.4.1 Fault finding chart
1.4.2 Replacement of operating coils
1.4.3 Replacement of micro switch
1.4.4 Replacement of auxiliary contacts
1.4.5 Replacement of motor
1.4.6 Replacement of damping device
1.4.7 Replacement of operating mechanism
1.4.8 Changing of breaker pole
1.4.9 HPA - operating gear adjustments
1.5 Accessories Spare parts and additional equipment
Contents
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