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<br />/3'3AIf <br /> <br />02-01-88 <br /> <br />. <br /> <br />SUBSTATION MAINTENANCE <br />INTERVAL AND GUIDELINES <br /> <br />- APPARATUS: <br /> <br />Circuit Breaker and Recloser - Gas and oil types of all <br />Voltage Classes <br /> <br />Description: <br /> <br />Diagnostic test <br /> <br />Maintenance Interval: Not to exceed six years <br /> <br />Details: <br /> <br />I. Circuit Breaker. <br />Inspect for damage or worn hardware. Repair or replace as <br />,required. <br />Measure and record all of the electrical and mechanical <br />operating parameters set forth in the equipment <br />manufacturer's instruction books and service bulletins. <br />Service the air compressor if the circuit breaker is <br />pneumatically operated. <br />Clean dirt out of the mechanism cabinet. <br />'Inspect the bushings and clean if needed. <br />, . <br /> <br />A. <br />- <br />B. <br />C. <br />D. <br />E. <br /> <br />II. Recloser. <br />A. Inspect for damage or worn hardware. Repair or replace as <br />required. , <br />B. Measure and record all of the electrical and mechanical <br />operating parameters set forth in the equipment <br />manufacturer's instruction books and service bulletins. <br />C. Contact resistance test. <br />D. Inspect the bushings and clean if needed. <br /> <br />III. oil test contact resistance measurements. <br />A. Interfacial tension. <br />B. Dielectric test. <br /> <br /> <br /> <br />~~ <br />/Review <br />James Kyle <br /> <br />~.J- <br />./ <br /> <br />Revj ewed :. Revj sed February 1991 <br />