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Old 06-04-2006
Tequiza Terri Tequiza Terri is offline
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oil in bilge

I have a 1976 Morgan 28OI. I have noticed that she has oil in the bilge water. I have used sox and I do have a BilgeKleen filtration system. But I am perplexed as to the origin of the oil???? Can an old Yanmar really throw that much oil in the bilge after an hou of use? Can oil leak into the bilge from any other source??? How do I isolate the cause of oil intrusion into the bilge. I have visually inspected the area beneath the engine and I cannot see any visible dripping from the engine while she is running???

She has been sitting a year with no use of the engine and her bilge has been pretty level and free of oil. I recently installed a new starter motor on my Yanmar SVE12 (yes I know it is a real dog!) Once we had her up and running with the shaft turning she did show a leak at the stuffing box...as I expected she would.

I do need to repack the stuffing box and I plan to use the moldable dripless packing. BUT before I can get to the stuffing box I need to remove the old fuel tank. I have suspected that the 30 yr old aluminum fuel tank leaks. The engine compartment is pretty dirty and from what I can see there is a pinkish residue beneath the tank= diesel! Could a slow diesel fuel leak account for the oily residue??

I am replacing and relocating the 30 yr old aluminum fuel tank with a new Tempo tank. Thus fixing the fuel leak and providing easy access to the stuffing box and other key engine components. I am also installing an AlgaeX in line filter.

After I install the new tank I plan to haul her out to inspect the hull, thru hull fittings, keel, cutlass and prop and apply bottom paint. While she is hauled out I am going to clean and paint the bilge and engine compartment. (I wish I could pressure wash the engine compartment! It has 30 years of dirt and residue. But that much moisture and water near the engine is not practical.) Next I will repack the stuffing box and make necessary repairs. Finally, I plan to install Sounddown so that I can hear myself think! She will look better than new when I am done!

Am I missing something obvious? She is built like a tank. I am hoping the Morgan encapsulated keel is OK. Any suggestions on how I can isolate and control the oily bilge???

Thanks

Terri Ivins
Stitches
'76 morgan OI 28
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