Diesel Generator Low Oil Pressure Symptoms

A fall in your diesel generator’s oil pressure can lead to serious damage if not detected and resolved quickly. This problem may be picked up by your service engineer during one of his regular maintenance visits, but regular intermediate checks by site personnel can greatly reduce the possibility of costly repair bills.

What symptoms should you be looking for to indicate that your generator is affected by low oil pressure?

  • Warning light on the generator or warning message on the controller display panel.
  • Low reading on the oil pressure gauge.
  • Physical check by means of the dipstick. When the engine is cool, remove the dipstick, clean off any excess oil, reinsert for approximately one second and remove again. The top of the oil film at the end of the stick should lie somewhere between the two indication marks if the oil level is correct.
  • Burning smell caused by leaking oil landing on to a hot section of the engine body.
  • Visible oil leak.
  • Increased engine noise. This occurs because moving parts are no longer properly lubricated.
  • This is another problem caused by a lack of lubrication, as moving parts rub against each other and generate excessive heat.
  • Reduced efficiency. The loss of lubrication means that the engine has to work much harder than normal and therefore uses more fuel.

As soon as you notice any of the above symptoms then take immediate steps to investigate the cause of the problem and arrange for it to be remedied. Regular checks to look for any of these signs could save you a lot of time and money if a low oil pressure issue if detected early on.

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