(b) Check condition of contacts and measure the contact resistance.
(c) Check and tighten the connections.
(a) Check the reclosing capabilities annually.
(b) Check and replace oil in the tank at least biannually.
(c) Check the physical condition of the tank periodically.
(d) Check the tripping coils for proper function, periodically.
220.127.116.11 Power Capacitors. Capacitors are usually maintenance free, although routine
checks will extend service life.
(a) Check the connections visually with regard to the conductor and service
(b) Check for PCB contamination annually by checking the dielectric strength.
(c) Check the tank for damage.
(d) Visually check the rack for corrosion.
(e) Manually test control operation annually.