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Engine Maintenance
88
Low Oil Pressure
Oil pressure is affected by oil temperature, oil
viscosity, and engine speed. Low oil pressure can
usually be traced to the lack of oil, a faulty oil
pressure regulating valve, or worn bearings. Low
oil pressure is not normally caused by a faulty oil
pump. Use the following “Low Oil Pressure Flow
Chart” to help diagnose low oil pressure.
Low Oil Pressure Flow Chart
Oil Level OK or High
Oil Pressure Low
Add Oil
Check Oil Pressure
Oil May Be Diluted
Change Oil and Filter
Check Oil Pressure
Oil Pressure OK
Oil Pressure OK
Check Oil Level
Oil Level Low
Oil Pressure Low
Install Known Good Oil Pressure Gauge
Check Oil Pressure
Oil Pressure OK
Oil Pressure Low
Remove Oil Pump (Access the oil pump by removing the
crankshaft pulley, the sound shield and the timing gear cover.)
Check Oil Pump Tolerances
Check Oil Pressure Control Valve for Broken Spring or Sticking Piston
Reinstall Oil Pump
Check Oil Pressure
Oil Pressure OK
Oil Pressure Low
Pull Engine
Remove Oil Pan
Check Inlet Screen and Intake Pipe
Pressure Check Engine for Internal Leaks
Содержание SGCO 3000
Страница 4: ......
Страница 12: ...SGCO 3000 Genset Addendum 12...
Страница 14: ...Genset Model Features 14...
Страница 22: ...Service Guide 22...
Страница 32: ...Unit Description Features Options 32...
Страница 78: ...Operating Instructions 78...
Страница 86: ...Electrical Maintenance 86...
Страница 114: ...Engine Maintenance 114...
Страница 124: ...Alternator Operation and Diagnosis 124...
Страница 130: ...Structural Accessory Maintenance 130...
Страница 138: ...Index 138...
Страница 140: ...Electrical and SG Menu Flow Diagrams 140...
Страница 141: ...141 SGCO 3000 Wiring Diagram Page 1 of 1...
Страница 142: ...142 SGCO 3000 Schematic Diagram Page 1 of 1...