Diesel Generators - Maintenance and Testing
By: Mark Hendley

Category: Business » Manufacturing
Article Views: [236] (Old Stats: 251)

Remember, PowerContinuity Means Business Continuity. To ensure that failure is not an option, always take into consideration: is your power protected? If not, what steps should you take to ensure that it is?

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

Generator

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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