What is Maintenance and Testing of a Diesel Generator ?
A regular generator service program should include tests and checks of the following:
- Cooling system
- Radiator / heat exchanger, coolant, hoses and connections, fan drive pulley and fan, fan belts, jacket water heater, water pump, thermostats.
- Fuel system
- Fuel tank, water trap/separator, fuel lines and connections, governor and controls, fuel filters – primary/secondary, fuel pressure, air induction and exhaust system, air filter, air filter service indicator, air inlet system, turbocharger, exhaust manifold, valves and valve rotators.
- Lubrication oil system
- Oil, oil filters, oil pressure, crankcase breather
- Starting system
- Batteries, battery specific gravity, battery charger, starting motor, alternator, engine monitor and safety controls, gauges, remote annunciators/alarms
- Bearings, slip rings and brushes, space heaters, vibration isolators
- Control panel
- Start controls – manual/auto, voltmeter, ammeter, frequency meter, circuit breaker, auto transfer switch
- Gas engine
- Gas lines and connections, carburettor and linkage, magneto/distributor, ignition system, spark plugs
- Insulation test
- Main stator, main rotor, exciter stator, exciter rotor
- Load testing – with full load, perform a two to four hour load test
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