engine oil pressure warning light

[ubique631]

hi the engine oil pressure light has come on and stays on machine was parked for a since last summer not sure what is wrong any help please plus its loing lots of hydrostatic oil

 

[6brnorma]

What model machine are you working on? Year? Engine?

 

[farmshop]

What model machine are you working on? Year? Engine?

Could be something stuck in the sensor. I would try screwing in a mechanical guage to verify pressure

 

[ubique631]

What model machine are you working on? Year? Engine?

i think its around 1990 d750

 

[farmshop]

i think its around 1990 d750

As far as hydraulic oil leak I would look at the spool valve first if it's not a obvious cylinder leak.