Earthing Trace of the oxidation and / Clean with a rough cloth
connection or loose nuts soaked in a suitable solvent.
Tighten the earthing
connection fully and cover it
with neutral grease
Auxiliary Check the supply voltage of The close/ opening coils
circuit supply the operating mechanism must operate correctly for
voltage electrical accessories values between 85% and
110% of the relative rated
voltage
Operating and Carry out the functional tests Replace the damaged or
control faulty elements (if
elements necessary as ABB)
32
Part Abnormalities noticed Remedies
subjected to
PART B Installation, Operation & Maintenance
Содержание VBF 36
Страница 1: ...Outdoor Vacuum Circuit Breaker Type VBF Instruction for Installation Service and Maintenance ...
Страница 51: ...FIG 3 TYPICAL SCHEMATIC DIAGRAM FOR VBF36 51 Drawings ...
Страница 53: ...53 Drawings Fig 4c View from Rear side Covers removed ...
Страница 58: ...58 Dismantling of Operating Coils Setup Disconnect the motor power supply 7 Fig 11 Fig 12 Motor ...