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| Vetus M3.09 low oil pressure |
| Author |
Message |
    
Dunnie
Visitor
| | Posted on Friday, March 24, 2006 - 03:36 am: | 
|
Summer temperatures in Perth average 35-40C. Boat engine box temperatures reach 60C. After ½ hour or so the Vetus M3.09 oil warning buzzer was sounding on tick-over when using the recommended oil. I fitted a gauge and found that the usual 45+ PSI was dropping to 18PSI or less on tick-over when normal running temperature was reached. I queried this with the Vetus, Holland technical department and received a rude email in reply telling me to look at the owner’s manual. I already had and it says nothing of use, just that 15W 40 is OK up to 35C. What do we do above 35C, away from the frozen Polders?
The answer in Australia is to use Penrite HPR Diesel 20W 60. For friends in hot places outside Oz, you will need to use this same sort of grade in an equivalent high quality brand. The oil pressure is now fine. |
Pete martin
New member
Username: bradenrvr
Post Number: 2
Registered: 05-2006
| | Posted on Tuesday, May 09, 2006 - 01:53 pm: |
|
Do you have a bypass oil filter on the engine? These things don't regulate and the pressure does tend to slack off while idling. as the bypass filter is still recieving large quantity of the oil from the pump. I noticed this on my 6.9 liter powerstroke and was told not to worry much about the pressure drop at idle speeds, oil is still being pumped up to the top of the engine. Been running it 6 years in like that. (yes i still worry when i look at the pressure gauge) |
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