Aksa AP15 - 10 Engine Troubleshooting

20
Engine safety controls
1. Check operating alarms and safeties.
Other controls
1. Clean the dust and dirt on the Gen. Sets by com
-
pressed air.
2. Check the exhaust system’s pipes, supports and flex
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ible pipes.
3. Check the mounting bolts of the Genset and AVM’s
bolt tightness.
4. Check transfer switch ,bus bars ,and connections.
5. Check control panel cable connections.
D. 12 Months or 800 Hours Check
Repeat Maintenance “C”
Fuel System
1. Analyze/replace diesel fuel
2. Check the valves setting and injectors.
Cooling System
1. Clean, exterior of radiators.
2. Replace, radiator’s fill cap (over 600 kVA).
3. Check, coolant treatment.
4. Check, anti-freeze solution.
5. Check, water pumps and circulating pumps.
6. Examine duck work.
7. Clean/check motor operated louvers.
8. Clean, engine block water heater.
9. Inspect the engine fan blades.
10. Inspect the fan belt.
Intake System
1. Check air cleaner element and change at 635 mm
H2O.
Clean
1. The engine.
2. Generator rotor and stator with compressed air.
Inspect
1. Magnetic pick-up and adjust.
2. Circuit breakers and fuse holders.
Additional to all above check;
1. Measure/record generator winding resistance with
Megger.
2. Perform full load test at Nameplate kW.
E. 24 Months or 2000 Hours Check
1. Turbocharger bearing clearance.
2. Exhaust restriction.
3. The valves settings.
4. The injectors settings.
5. Vibration damper.
6. Change Coolant and antifreeze and flush system.
7. Clean Turbocharger compressor wheel and diffuser.
Additional to all above, do the regular maintenance.
10. ENGINE TROUBLESHOOTING
Possible engine failure and engine failure causes is men
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tioned below.
The starter motor turns the engine too slowly
• Battery capacity too low.
• Bad electrical connection.
• Faulty in starter motor.
• Wrong grade of lubricating oil.
The engine does not start or difficult to start
• Starter motor turns engine too slowly.
• Fuel tank empty.
• Faulty in fuel control solenoid.
• Restriction in a fuel pipe.
• Faulty in fuel lift pump.
• Dirty fuel filter element.
• Air in fuel system.
• Faulty in injectors or their adjustments.
• Fault in cold start system.
• Restriction in fuel tank vent.
• Wrong type or grade of fuel used.
• Restriction in exhaust pipe.
• Oil pressure sensor / switch or its connection is
faulty.
• Oil pressure is too high.
• Wrong grade of lubrication.
• Oil pressure indicator is faulty.
Not enough power
• Restriction in a fuel pipe.
• Faulty in fuel lift pump.
• Dirty fuel filter element.