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Old 12-09-2011, 20:08   #1
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Diesel Weeping Oil from Cut-Off Shaft

Anyone have an idea why my Perkins M30 Parama ( Also same as Volvo 2030) is blowing oil out of the shaft hole of the shut off linkage?
It was leaking from the base of the dipstick tube and I replaced the o ring so it quit, but now it weeps steadily from the base of the shaft of the shut off linkage.
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Old 12-09-2011, 20:12   #2
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Re: Diesel weeping oil from cut off shaft

Just repaired my Perkins with this issue, had to replace o rings on the shaft.
The so called experts have been indicating the switch to low sulphur diesel is causing these issues.
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Old 12-09-2011, 20:13   #3
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Re: Diesel weeping oil from cut off shaft

polished bores causing blowby,1500 hours usage?
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Old 12-09-2011, 20:17   #4
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Re: Diesel weeping oil from cut off shaft

Thanks for the quick reply,
I'm confused though. The low sulfer is in the fuel right? I didn't even know oil flowed in the housing the shut off shaft goes. By the way, I had a Westsail for many years in Hawaii #375 I think 1975 model. What a great boat! Rode out some serious Pacific storms no problem.
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Old 12-09-2011, 20:19   #5
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Re: Diesel weeping oil from cut off shaft

Quote:
Originally Posted by atoll View Post
polished bores causing blowby,1500 hours usage?
More than 1,500 on this engine. Do you think it is "blow by"?.
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Old 12-09-2011, 20:30   #6
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Re: Diesel weeping oil from cut off shaft

Does the shaft go through the govenor body on the fuel injection pump like on the 4.108
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Old 12-09-2011, 20:35   #7
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Re: Diesel weeping oil from cut off shaft

Looking for picture of 4108 to say for sure.
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Old 12-09-2011, 20:45   #8
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Re: Diesel weeping oil from cut off shaft

Looks similar but hard to see. Did you have to remove the case to replace seals on the inside? I tried putting an o ring at the base of the shaft but couoldn't tighten the top nut enough or the shaft wouldn't turn freely.
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