TM 5-3810-300-24&P-3
15.2 Trouble Shooting (Engine)
Chart 7
LOW OIL PRESSURE
SUGGESTED REMEDY
1
Check the oil and bring it to the proper level on the
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 in Section
13.3 for the recommended grade and viscosity of oil.
9
Remove and clean the gage line; replace it, if
necessary.
Check for fuel leaks at the injector nut seal ring and fuel
pipe connections
Leaks at these points will cause
10
Remove and clean the gage orifice.
lubricating oil dilution.
11
Repair or replace defective electrical equipment.
3
A plugged oil cooler is indicated by excessively high
lubricating oil temperature. Remove and clean the oil
12 Remove and clean the oil pan and oil intake screen.
cooler core.
Consult the Lubricating Oil Specifications in Section 13.3
for the proper grade and viscosity of oil. Change the oil
4
Remove the by-pass valve and clean the valve and
filters.
valve seat and inspect the valve spring. Replace
defective parts.
13 Remove and inspect the valve, valve bore and
spring. Replace faulty parts.
5
Remove the pressure regulator valve and clean the
valve and valve seat and inspect the valve spring.
14
Disassemble the piping and install new gaskets.
Replace defective parts.
15 Remove the pump.
Clean and replace defective
6
Change the bearings. Consult the Lubricating Oil
parts.
Specifications in Section 13.3 for the proper grade and
viscosity of oil. Change the oil filters.
16
Remove the flange and replace the gasket.
7
Replace missing plugs.
Page 440
