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Old 05-29-2013, 10:08 AM   #1
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Leaking hydraulic steering pump

Has anyone replaced the seals on a Teleflex Capilano steering pump? I found a number for a seal kit but have not found any instructions unless they come with the seal kit.

Thanks,

Bob
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Old 05-29-2013, 10:42 AM   #2
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I have done this recently with my teleflex. There was a breakdown in the package and I reassembled accordingly. Took me about an hour. Bleeding the system was a bigger task. If your buying the seal kit at a store just ask to open the package to be sure.
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Old 05-29-2013, 10:54 AM   #3
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I replace the seals in my Capilano unit. Was pretty easy. Just took it apart and put back together the opposite way. I do have the bleeding instructions in PDF form if you need them.
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Old 05-29-2013, 11:43 AM   #4
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I have the seal kit on order. I really don't want to do the whole unit, just the shaft seal. I'm hoping I can pull that seal out from the front.

Bob
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Old 05-29-2013, 12:00 PM   #5
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If my memory is correct, the seal is changed from the inside which meant a break down of the entire pump. It's really not that bad though.
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Old 05-29-2013, 12:29 PM   #6
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Well if you don't mine going to a differant forum, I rebuilt mine:

How to Rebuild a SeaStar I and II Helm pump 1984-1989
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Old 06-03-2013, 10:53 AM   #7
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The Teleflex Capilano 250/275 and 1250 all have steering shaft seals that are replaceable from outside after removing the steering wheel.
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Old 06-03-2013, 01:28 PM   #8
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Just got the rebuild kit even though I really only need the shaft seal. Just the one seal did not seem to be an option. Heading to the boat next weekend to put the seal in.

Tried to look at the images on the Sea Ray site but you have to register. May do that later.

We're in Waterford Harbor, where are you in Seabrook?

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Old 06-10-2013, 11:01 AM   #9
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I am at Blue Dolphin
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Old 06-10-2013, 11:51 AM   #10
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We looked at Blue Dolphin but didn't care for the fixed docks and narrow finger piers. Although with the summer sun beating down on us here in the open we may reconsider.

None of the O-rings in the rebuild kit fit the steering shaft. I found the model number on the side of the pump and it's 250V not 1250V as I thought although they look alike in the pictures. The retainer for the O-ring wasn't pushed in all the way so I reseated it and it hasn't leaked since then, not quite one day.

Bob
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Old 06-10-2013, 01:57 PM   #11
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give me your email and I will give you all my data on the capilano 250
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Old 01-12-2014, 10:45 PM   #12
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Finally joined the forum today. Have been visiting for three years or so, but all the answers have been here so I was too lazy to join.

I am going to rebuild my leaking Capilano 250 steering pumps. Looking for seal kits online it appears that the 250 275 and 1250 all use the same kit but I noticed that BobH above did not have that experience. Wondering if anyone have any more info.
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Old 01-12-2014, 10:52 PM   #13
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Greetings,
Welcome aboard.
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Old 01-13-2014, 05:28 AM   #14
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Congratulations Gordon, on taking the plunge after 3years of lurking. Any man willing to rebuild hydraulic pumps has plenty to offer fellow members, welcome.
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Old 01-13-2014, 10:08 AM   #15
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The kit I bought did not include the O-ring for the shaft, the one I really needed. But you can measure the shaft size and the recess that the O-ring fits into and then go to McMaster and find the proper O-ring. I think the measurements were 3/4" and 1", so a 1/8" O-ring with a 3/4" ID should fit.

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Old 01-13-2014, 02:41 PM   #16
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Thanks Bob, I will do that. Has your pump continued not to leak since you reseated the o ring?
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Old 01-13-2014, 04:33 PM   #17
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I replaced the O-ring. Wish now that I had written down the number. It was obviously worn on the inside were the shaft turned. It has not leaked since, about a year now.

Bob
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Old 01-13-2014, 05:15 PM   #18
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Excellent, thank you. Looks like you have saved me some money not having to buy 2 seal kits.
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Old 01-13-2014, 05:52 PM   #19
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The only problem with McMaster is that that size comes in a bag of 25. That should last you several lifetimes. But it's only 7 or 8 bucks plus shipping. But once you look it up and get the Dash number you might be able to find them locally. I know that in this area one of the hardware stores has a pretty good selection.

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Old 01-13-2014, 08:50 PM   #20
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Thanks Bob. There is a business in Vancouver that specializes in seals and O rings. You can buy them individually. I will give them a shot. I will be starting on this project in a couple of weeks. I will post when finished with a report.
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