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Old 17-01-2014, 11:44   #1
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Cheap guy needs advice on servicing raw water pump

My Jabsco water pump">raw water pump has been leaking water, (No oil) pretty good for some time now, . Just got a price for the service kit that does not include the shaft, $380.00. So considering the guts are some small bearings, o-rings and the like, holy sh-t. I have seen a couple of threads here and I know that Maine Sail has a nice instructional piece about how to service this type of pump I am thinking that I will take the pump off, break it down and order the individual small components from individual suppliers. The pump currently fitted is a Jabsco 3270-0001. Does this sound like a sound plan?
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Old 17-01-2014, 11:57   #2
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Re: Cheap guy needs advice on servicing raw water pump

You can buy a whole new pump for that price!
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Old 17-01-2014, 12:07   #3
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Re: Cheap guy needs advice on servicing raw water pump

Yes no kidding, anywhere I have looked the price of the service kits are just a couple of bucks less than a new pump. So back to the original question is it feasible to service the pump by sourcing the needed bits from some non marine distributor for much less cost?
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Old 17-01-2014, 12:24   #4
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Re: Cheap guy needs advice on servicing raw water pump

Jabsco likely sources the bearing and seals from another vendor. If you can get the old ones out and get the numbers off them any decent bearing shop should be able to match them up.

Installing new bearings and seals can be tricky though and sometimes it is better just to buy the new pump. I rebuilt my Obercorfer on a previous boat with no problems but I made sure that all bearings and seals were aligned properly. You cannot just bang them in.

Also, other users here have gone down this road. Search the CF site and you will find more info.
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Old 17-01-2014, 12:28   #5
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Re: Cheap guy needs advice on servicing raw water pump

Yes, the seals and bearings are commonly available from normal bearing supply places. Typically the bearings outlast the seals, but they are inexpensive, and the seals are a buck or two each. Have the bearing folks remove the little coil springs from the seals and replace them with o-rings. This is a normal procedure for pumps working in salt water and will extend the life of the seal. If the shaft is badly scored, you can buy a thing called a Speed Seal or some such monicker. This is a very thin sleeve that is simply slipped over the shaft, giving a new surface for the seal to work against. Much less expensive than a new shaft or metal spraying and regrinding the old one.

It is a simple job and one that every cruiser should know how to do.

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Old 17-01-2014, 12:31   #6
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Re: Cheap guy needs advice on servicing raw water pump

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Originally Posted by Tim R. View Post
Jabsco likely sources the bearing and seals from another vendor. If you can get the old ones out and get the numbers off them any decent bearing shop should be able to match them up.

Installing new bearings and seals can be tricky though and sometimes it is better just to buy the new pump. I rebuilt my Obercorfer on a previous boat with no problems but I made sure that all bearings and seals were aligned properly. You cannot just bang them in.
I would do the repair to a high standard, just love saving money on sourcing parts. Never assumed that Jabsco was making all the components for their pumps, and you have confirmed my suspicion that if I get the parts from the right outfit should be able to save good money. How does one go about finding a "Bearing Supplier" ?

Thanks
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Old 17-01-2014, 12:33   #7
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Re: Cheap guy needs advice on servicing raw water pump

Depco Pump Company and call them, too.
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Old 17-01-2014, 12:55   #8
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Re: Cheap guy needs advice on servicing raw water pump

I tried finding a cheap fix for a jabsco 777-9001 pump similar to yours. Tried fabricating my own seals by molding 52million. Needless to say my cunning plan proved not to be so cunning after all. In the end i managed to find a cheap new pump on ebay for half the cost of the service kit. I just tried a search for yours though and no such luck........ keep your eyes open!

jabsco 3270-0001 | eBay
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Old 17-01-2014, 14:14   #9
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Re: Cheap guy needs advice on servicing raw water pump

Go to your phone book, the one in my town is called "Bearings and Drives"
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Old 17-01-2014, 16:03   #10
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Re: Cheap guy needs advice on servicing raw water pump

Been down that road. My advice. Dont buy anything until you tear yours down. Then once youve torn it down decide what your,going to do. Finding a whole pump is always nice save the leaky to rebuild and keep as a spare or just keep it. You may order parts then find yours isnt so rebuildable.

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Old 17-01-2014, 17:33   #11
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Re: Cheap guy needs advice on servicing raw water pump

Quote:
Originally Posted by Jim Cate View Post
If the shaft is badly scored, you can buy a thing called a Speed Seal or some such monicker. This is a very thin sleeve that is simply slipped over the shaft, giving a new surface for the seal to work against. Much less expensive than a new shaft or metal spraying and regrinding the old one.
It is called a "speedi-sleeve". The only reason this distinction is important here is because "speed seal" is also an after-market product for water pumps, but meant to replace scored covers.

Mark
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Old 17-01-2014, 18:20   #12
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Re: Cheap guy needs advice on servicing raw water pump

Going Cheap.

Take the pump apart, take the old seal to the bearing place and get two new ones (one for a spare) Take emery cloth to the shaft, where the old seal wore a grove in it. Then install the new seal back into the hole but don't push it back quite all the way. Odds are the bearing are still good. Only takes 10 minutes or so to take apart, once its off the engine.

That's the Cheap fix.

You'll really want a brass drift and a 2x4 or 2x6 (fender board is what I used) with a hole in it slightly larger then the shaft to tap the bearings on and off the shaft (if you replace the bearings). You need a washer the same size as the bearing to distribute the load on the bearing surface when tapping new bearings on. Bearings are also available everywhere, even amazon....
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Old 18-01-2014, 06:00   #13
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Re: Cheap guy needs advice on servicing raw water pump

Thanks everyone, considering I am only leaking water isn't it more than likely just the seal is bad?
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Old 18-01-2014, 06:19   #14
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Re: Cheap guy needs advice on servicing raw water pump

Quote:
Originally Posted by cburger View Post
... How does one go about finding a "Bearing Supplier" ?
Bearing supply Nyack, NY
Bearings in West Nyack, New York with Reviews & Ratings - YP.com
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Old 18-01-2014, 06:24   #15
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Re: Cheap guy needs advice on servicing raw water pump

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Thanks Gord, Think I will pull the pump today.
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