This weekly preventive maintenance checklist is designed for Caterpillar emergency generators to ensure reliable backup power. It guides technicians through required tools and safety steps, including lockout/tagout, PPE, and fire safety. Tasks include walk-around inspection, cleaning, checking electrical connections for looseness or overheating, verifying oil and coolant levels, confirming jacket water heater operation, inspecting zinc rods, servicing air precleaner and indicator, draining water and sediment from the day tank, checking space heater, and running the generator under building load for 30 minutes. Technicians record generator load, voltage, frequency, power factor, stator winding and bearing temperatures, gauge readings, and charging system status. Battery electrolyte level, leaks, and filter condition indicators are also checked, with results logged for follow-up and corrective action.
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