GENERATOR: • Inspection Operate the generator for 1/2 hour with Owner's load (if practical) and observe voltage and for signs of random voltage variation and adjust as necessary • With unit operating, check operating frequency and adjust as necessary • Check operation of the Engine control Module, test the over crank, over speed, low oil pressure, high engine temperature and low coolant level shutdown safety features (as applicable to specific model) • Check for phase unbalance; make recommendations to correct (if observed) • Check alarm annunciator for proper operation • Clean commutator and slip, or collector, rings if applicable • Grease bearing (if applicable) • Clean and inspect voltage regulator and associated control cabinets • Thermal Scan with infrared gun of control circuits and main conductors ENGINE: • Change lubrication oil and filter • Check for lubricating oil leaks • Check lubricating oil pressure • Take lubricating oil sample for analysis (to be performed by a certified laboratory) • Check air intake system, replace filter(s) as necessary (replacement filter(s) billed additional to preventive maintenance) • Clean crankcase breather element • Change fuel filters (primary, secondary) and bleed fuel system (if necessary) • Drain fuel/ water separators if equipped • Check for fuel leaks • Check and record main tank and day tank fuel levels • Take fuel sample (diesel only) and deliver to laboratory for analysis • Drain oil traps (LPG only) • Check antifreeze' concentration and freeze point (and diesel coolant additive if applicable) • Inspect for cooling system leaks • Check coolant hose condition and connections • Inspect radiator cap • Replace coolant filter (if equipped) • Check belt drive tension, adjust if necessary • Check exhaust system for leaks • Check rain cap • Check engine mounting hardware • Clean and check spark plugs and ignition system components (if so equipped) • Check fuel shutdown valve for proper operation (if so equipped) • Monitor engine temperature and evaluate cooling system performance (during loaded run, if practical) • Degrease engine and surrounding generator set, as necessary • Check operation of block heater and thermostat • Check and service engine starting battery(s), replace if needed (replacement battery(s) billed additional to preventive maintenance) • Check battery charger operation • Thermal scan with infra red gun of cooling system TRANSFER SWITCH: • Clean and inspect interior of panel • Monitor operation of linear motor during power transfer, if possible • Check operation of exercise clock and reset (as designated by owner) if necessary • Carefully inspect all connections and wiring for signs of overheating or chafing, make recommendations as necessary • Insure contact alignment in accordance with desired operating characteristics • Instruct owner personnel in day-to-day upkeep of switch and generator set • Thermal scan with infer red gun of all connection points internal to ATS • Thermal Scan with infra red gun of AC distribution panel • Submit inspection report per Owners standards LOAD BANK • Check Fuel & Coolant levels • Start up generator and perform visual inspection of Operations, check temperature • Furnish and supply appropriately sized load banking equipment (80% of generators nameplate rating) • Load bank generator per NFPA 110 requirements • Load Monitoring The ability of the engine to provide the power required The capability of the alternator to provide the required voltage stability for the system The efficiency of control systems under different conditions of the load The stable frequency The pressure of oil and fuel • Shut Down and Record Results, provide report to owner
