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Old 08-27-2013, 05:08 AM   #21
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Join Date: Oct 2007
Posts: 21,945
For smaller quantities of oil the hand pumped suction system works well.

Not great for 8 gallons , but the hot oil lifts quite easily , and for some its no burden to empty it once or twice..

Will do the lawn equipment at home with no mess too.

And the long probe is great for lifting water out of a diesel fuel box ,

IF you can put a list on the boat to get the water to one side.

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Old 08-27-2013, 06:24 AM   #22
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City: Fort Myers, FL... Summers in Crisfield, MD
Vessel Name: Slow Hand
Vessel Model: Cherubini Independence 45
Join Date: Dec 2010
Posts: 10,122
I'm all about easy. The boat yard I use has hydraulic hose fittings that have the same thread as the plug on my "C" Cummins oil pan. So I have hydraulic hose from the pan, through a ball valve, and into a Jabsco oil pump. Off the pump is 4' of flexible hose with fittings so it hangs nicely in a 5 gallon bucket with lid. Engine holds 5 gallons of oil that gets changed 6+ times in 4 months during my charter season. I like it when I have to change the oil every other week (running every day, making lots of money )!


I'm tired of fast moves, I've got a slow groove, on my mind.....
I want to spend some time, Not come and go in a heated rush.....
"Slow Hand" by The Pointer Sisters
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Old 08-27-2013, 09:26 AM   #23
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Posts: 251
I like the hand powered vacuum extractors. 5 pumps or so and out comes all the warm oil. I forget the name, but have the tall model which has a pretty much drip-less pour spout. 4Qts then empty. 5 pumps and 4 qts more. It just happens that is the right amount to pour into the empty containers from the last oil change.

Works great to get all but drops out of the drip pan and the racor bodies too.

No power needed, so it comes in real handy for any use once the boat is winterized to get even the smallest remaining puddles out of the bilge too.
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Old 08-03-2019, 09:10 AM   #24
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City: Ozona
Vessel Name: Open Return
Vessel Model: Integrity 346ES
Join Date: Aug 2017
Posts: 26
I'm looking at the same set-up, but Fumoto couldn't advise which valve fits my Yanmar 4BY2-180, KMH40A gearbox and Westerbeke 5.0 BCDE genset. Can you help?
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Old 08-03-2019, 01:34 PM   #25
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City: Gig Harbor
Vessel Name: Sandpiper
Vessel Model: Bluewater 40 Pilothouse Trawler
Join Date: Nov 2012
Posts: 2,284
There is another current post regarding oil change pump systems. This is a repost of wha I posted there:

I have an oil extraction system I devised and sold for a while in the 80's.

I'm on the boat so can not get a picture till I get home.

It's a propane tank with a small compressor mounted to the top of it. The type of compressor used for air brushing. The tanks valve is taken out and a machined fitting with a dip tube and a second port is screwed into the top of the tank.

The engine and generator have hoses plumbed to the oil pans, which is connected to the hose coming out of the propane tanks dip tube. The compressor is connected to the second port at the top. When the compressor is turned on, vacuum is created inside the tank and sucks the oil out of the pan, through the hoses into the tank via dip tube.

To empty the tank, the compressor connections are reversed, compressor turned on and the top of the tank gets pressurized, which forces the oil up through the dip tube and out the hose.

Since most of the work in the engine room is done with suction, there is no drips, spills etc.

This system is a motorized version of the hand operated oil extractors like the Topside and MityVac which work using vacuum.

I use this oil extractor to remove oil from my home standby generator, boat transmission, boat hydraulic steering and automotive use in addition to the boat engine and generator
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Old 08-03-2019, 01:58 PM   #26
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City: Mississippi
Vessel Name: ADAGIO
Vessel Model: CHB Present 42 Sundeck
Join Date: Jul 2014
Posts: 855
Fortunately our boat came with a hard line oil change system in place - looks to be original system with three valve manifold and one pump. there is a valve on the side of the mains to turn on/off to prevent any accidental draining. Only problem was the three valves were not marked and I had to trace the lines, under the ER floor, to find which was which - two engines and gennie - now they are marked. Love my label maker
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Old 08-04-2019, 02:24 PM   #27
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City: Between Oregon and Alaska
Vessel Name: Charlie Harper
Vessel Model: Wheeler Shipyard 83'
Join Date: Jun 2016
Posts: 2,334
Here's another place to get pan valves and adapters:

I have my pans plumbed with one of those, hose, and then a 2nd safety ball valve. I centrifuge my oil so drain about every 50-100 hours. The plumbing makes it easy and quick.


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