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9. GENERATOR SET MAINTENANCE
A good maintenance program is the key to long gen-
erator set life. Maintenance and service should only be
carried out by qualified technicians. The maintenance
and service which are done must be recorded to the
Maintenance Record Form. In general, the generator
set should be kept clean. Do not permit liquids such
as fuel or oil film to accumulate on any internal or ex-
ternal surfaces. Wipe down surfaces using an aqueous
industrial cleaner.
Maintenance Schedule for Generator Sets
Using hour meter as a guide, perform all services at the
hourly intervals indicated on following. At each main-
tenance interval, perform all previous maintenance
operations in addition to the ones specified. Keep a
record of hourly intervals and services performed.
Important
Recommended service intervals are for normal oper-
ating conditions. Service MORE OFTEN if engine is
operated under adverse conditions. Neglecting main-
tenance can result in failures or permanent damage to
the engine.
Use correct fuels, Lubricants and coolant.
MAINTENANCE INTERVAL CHART
A) Daily or every 20 hours Check
• Visually inspect engine, generator, transfer switch and
control panel.
• For, Oil, Water and Fuel leaks.
• For, Coolant level, Oil level, Fuel level.
• Battery charge level.
• Inspect the engine fan blades.
• Inspect the drive belt.
B) Weekly Check
Repeat Daily or every 20 hours
Fuel System;
• Fuel level in main tank.
• Day tank float switch.
• Fuel transfer pump operation.
• Fuel lines and connections.
Cooling System
• Adequate fresh air to engine.
• Hose and connections.
• Battery charging alternator belts.
• Inspect the engine fan blades.
• Inspect the fan belt.
Exhaust System
• Exhaust leaks.
• Tighten connections (if necessary).
Alternator
• Vent screens.
• Tighten covers.
• Output voltage and frequency.
Transfer Switch
• Operation under load.
• No unusual sounds.
• Terminals and connections normal colour.
• Doors closed securely.
Air System
• Check leakage.
• Check air filter restriction indicator (if engine has).
• Run the Genset for 5-10 minutes on load (if it is
possible) or no load.
C) 6 Months or 200 Hours Check
Repeat Weekly Check
Lubricating System
• Change, lubricating oil.
• Change, lubricating oil filters.
• Clean, crankcase breather.
Fuel System
• Change, fuel filters.
• Drain sediment from main tank.
Cooling System
• Check, antifreeze.
• Check, fan bolts and their tightness.
Engine safety controls
• Check operating alarms and safeties.
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