LOW OIL PRESSURE
1. Check the oil and bring it to the proper level on the
7. Replace missing plugs.
dipstick or correct the installation angle.
8. Check the oil pressure with a reliable gage and
replace the gage if found faulty.
2. Consult the Lubricating Oil Specifications on Page
9. Remove and clean the gage line; replace it, if
10-9-9 for the recommended grade and viscosity of oil.
10. Remove and clean the gage orifice.
Check for fuel leaks at the injector nut seal ring and fuel
pipe connections. Leaks at these points will cause
11. Repair or replace defective electrical equipment.
lubricating oil dilution. Refer to Fuel Leak Detection on
12. Remove and clean the oil pan and oil intake screen.
Consult the Lubricating Oil Specifications on Page 10-9-
3. A plugged oil cooler is indicated by excessively high
lubricating oil temperature. Remove and clean the oil
9 for the proper grade and viscosity of oil. Change the
4. Remove the bypass valve and clean the valve and
13. Remove and inspect the valve, valve bore and
valve seat and inspect the valve spring. Replace
spring. Replace faulty parts.
14. Disassemble the piping and install new gaskets.
5. Remove the pressure regulator valve and clean the
valve and valve seat and inspect the valve spring.
15. Remove the pump. Clean and replace defective
Replace defective parts.
6. Change the bearings. Consult the Lubricating Oil
16. Remove the oil pan and tighten the oil pump end
viscosity of oil. Change the oil filters.
17. Remove the flange and replace the gasket.