a) Physical inspection of bus for any spark or overheating or discoloration.
b) Physical inspection of copper braided flexibles for discoloration.
c) Physical inspection of inspection window gaskets, seal off bushings, supporting insulators, CT’s, painting of IPBD.
d) Torque tightness of flexibles.
e) Connection tightness of CT’s, SPPT cubicle, NGT cubicle, CT’s master JB, and
Generator terminal bushing connection.
f) Tightness of supporting insulator, seal off bushing, inspection windows
g) Inspection of rubber bellows
h) Electrical checks on SPPT, NGT, CT, mVDT of copper flexible connection.
i) Capacitance measurement of surge capacitor.
j) Healthiness checks of lightning arrestor.
k) HV test of IPBD
l) Tan-delta test of IPBD
m) IR value measurement
n) Cleanliness checks entire IPBD.