39
Too low oil pressure
Possible causes
Remedies
Insufficient oil in sump
Add oil to adequacy.
Oil pipe clog or leakage
Check the detailed cause, and then clean the
coarse filter element or the oil strainer screen
Pressure adjustment valve failure
Check the pressure adjustment valve, replace it
if necessary.
Pressure indicator or transmitter
failure.
Check the cause and then replace it.
Diluted oil
Check if incorrect brand oil is used or oil
temperature is too high. If the cause is the
former, replace oil, otherwise find out the
reason of the latter and then deal with it.
Too large assembly clearance of oil
pump
Check it, replace if necessary.
Journal bearing wear or too large
clearance
Check and replace the journal or associated
parts.
Oil cooling plug clogged
Clean it, replace if necessary.
