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Old 05-08-2019, 12:23 PM   #1
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oil filter oil extractor

I ran across this guy at the boat show a little while ago and have been meaning to mention him here. He has developed a clamp on oil filter oil extractor to make changing oil filters less messy. I held the device in my hand and I can say its very sturdily built. I don't need one myself, but I know the topic of messy oil filter changes comes up every so often.

I don't know this guy and have no stake in his product whatsoever, but as I said, I thought it was a good device and wanted to spread the word for anybody who might be interested.

https://hv-flex.com


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Old 05-08-2019, 12:48 PM   #2
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That would have been great on my sailboat. With a horizontally mounted oil filter mounted low on my Yanmar, it was almost impossible to change without making a mess.


It would be good on my generator now. That filter change tends to be messy as well.
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Old 05-08-2019, 12:55 PM   #3
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That device looks expensive and a lot of work to use.


The oil filter on my former Yanmar 6LY was particularly bad to replace. It sat in a little trough in the air cooler and as soon as you loosened the filter, oil would rush out and accumulate in the trough. There is a drain to the trough- a 1/4 hose but you need to do it once without so you will remember to use it next time.


With the use of the hose and a plastic bag to quickly wrap around the filter to catch its contents once it comes off, the filter isn't that bad and certainly this device isn't worth the time and money to make it easier.


Another example of a boating gimmick.



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Old 05-08-2019, 02:31 PM   #4
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With the hole poked in the side of the filter how would the oil below the hole get out?
Would work good IMO if one could install the device such that the hole is poked in the bottom of the filter.

Some to lots of filters drain themselves. But they don’t supply instant oil pressure at startup .. I think (is that true). I think there’s a valve that retains the oil in the filter for startup. Does this device make use of that valve in the filter?

The filters that drain out are the kind that came w my engine. I didn’t have the oil mess until I started using NAPPA oil filters.
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Old 05-08-2019, 03:59 PM   #5
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Quote:
Originally Posted by Nomad Willy View Post
With the hole poked in the side of the filter how would the oil below the hole get out?
Would work good IMO if one could install the device such that the hole is poked in the bottom of the filter.

I noticed that too. It can be placed at any point around the filter provided you have access.
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Old 05-08-2019, 04:05 PM   #6
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Thanks! I am extremely interested and will check it out! I have a Volvo MD2030, which has a horizontal filter. I always wind up going through half a roll of paper towels to prevent a mess in my bilge. Removing the filter is always most unpleasant.
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Old 05-08-2019, 04:07 PM   #7
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I have been punching a hole in the filter with a nail for decades. Just drain into any suitable container.
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Old 05-09-2019, 10:28 PM   #8
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An automatic center punch works well for this, very quick and useful for other things as well. One hole in the bottom, one in the top, about 10 seconds.
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Old 05-10-2019, 01:53 AM   #9
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Disposable diapers are good for absorbing oil. A screwdriver punched right through the filter("through and through" as they say in the meat industry for knife injuries) is a good lever for unscrewing one, and the holes would allow drainage too.
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Old 05-10-2019, 08:51 AM   #10
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Does anybody know how this device gets all the oil out with the hole punched in the side?
If it can indeed be done why do it from the side. If the side works it would seem to me it would work from the top as well.
Also to buy into this, one not only needs to buy this device but the extractor too. Probably well over $100 entry cost. I have the extractor myself and many will but I’m think’in most won’t.

Bottom line for me (w horizontal filter) is to just get self draining filters.
But when we have discussions about MV oils many always say it’s important to have low viscosity oil at startup so it will get to the bearings faster. I think the oil goes just as fast w/o low viscosity because of the gear pump and the fact that oil is not compressible. Volume is the same.
But the filter that came w my engine (new) had “Isuzu” printed on it so I assume at least that manufacturer thinks starting up w no oil in the filter is just fine.
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Old 05-10-2019, 01:25 PM   #11
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My Hino’s have horizontally mounted canister filters. The canister has a drain plug that will drain all the oil into a container. When I loosen the bolt the filter and any oil drops into a plastic bag. When I bought the boat I planned on doing a remote spin on filter but after changing oil a couple of times and having zero problems I decided to leave as is. I’ve changed enough filters in my life as a mechanic the Hino filters are much easy and less mess than some.
The filter on my Westerbeke generator makes a mess if you’re not careful. I finally started using a oil pad in a bag to deal with it.
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