Oil Pressure Lowered - KIRLOSKAR DV Series O & M Manual

Normal
Check cooling
temperature
Normal
Inspect oil quality
Normal
Check oil relief
valve
Retighten
Normal
Replace
Disassemble
engine

4. Oil pressure lowered

Check oil amount
Too high
Refer to engine overheating
Water & fuel mixed
in oil
Disassemble engine
or injection pump
Check if oil pressure
gauge indicates wrongly
Too low
Use recommended oil
(replenish)
Improper
Replace with
recommended oil
91