39
Continued
Heat exchangers - inspect
Annually
Transformer FIST
Volume 3-30
Conservator and bladder -
inspect
3-5 years
Transformer FIST
Volume 3-30
Top oil and winding
thermometers
Annually inspect and infrared
scan
3-5 years calibrate
Transformer FIST
Volume 3-30
Oil level indicator operation
3-5 years
Transformer FIST
Volume 3-30
Pressure relief device
Annually inspect and perform
function test
3-5 years check oil leaks
Transformer FIST
Volume 3-30
Sudden pressure relay
Annually inspect and perform
function test
3-5 years test per
manufacturer's
recommendations
Manufacturer's Instructions
Transformer FIST
Volume 3-30
Buchholz relay
Annually inspect and perform
function test
Manufacturer's Instructions
Tap changer maintenance
Annually
Transformer FIST
Volume 3-30
Deluge system operational
test
Annually Transformer
FIST
Volume 3-30
PO&M 19
Inspect foundation, rails,
trucks
3-5 years
Transformer FIST
Volume 3-30
PO&M 19
Transmission lines carry electrical power between the facility and the power system.
Reclamation maintains relatively few transmission lines. However, inspection of
transmission line segments entering switchyards is recommended.