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<br />I <br /> <br />I <br /> <br />I <br /> <br />Mobile Substations and Temporary Equipment Interval <br />Circuit Switchers and Motor Operated Switches: <br />Contact Resistance + Comprehensive Maint 72 / 250 Op / 5 F <br />Circuit Switcher Interrupter Replacement As Required <br />Relays: <br />Functional and Calibration Tests 12 <br />Hydrogen Monitor (Hydran) 12 <br />Batteries: <br />Cell Voltage + Cell Impedance + Strap Resistance 12 <br />+ Fluid Level <br />Capacity Test 36 <br />Fluid Level Performed during <br /> every installation <br />Cables: <br />Micro-Ohm Resistance 12 <br />DC Hi-Pot Test 12 <br />Energization Test Performed during <br /> every installation <br />Grounds: <br />Check for tightness and resistance 36 <br />Structural Components: <br />Check entire structure for loose, worn, rusted, and <br />damaged components 36 <br />Trailer: <br />Check lights, tires, brakes, axle bearings, hitch, Before each <br />and overall condition move <br /> 12 Month detailed <br /> inspection <br /> <br />Q) Consists of Dissolved Gas-in-oil Analysis (DGA) and oil mini-screen which <br />includes moisture-in-oil tests (D-1533), 1FT (D-971), and acid number (D-974). <br />Q) Auxiliary equipment includes gages, indicators, alarms, sensors, pumps, fans, <br />arresters, power fuses, etc. <br />Q) Auxiliary equipment includes gauges, indicators, alarms, sensors, etc. <br />F Number of Fault Operations <br />Op Number of Mechanical Operations <br /> <br />Mobile - Memo of Understanding 8/24/2004 <br /> <br />Page 9 of 11 <br />