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Old 12 November 2012, 17:47   #1
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Identifying Helm Pump

Guys, any ideas...

Hypro Marine are not sure as it does not look like the Seastar or Baystar pumps. It's not an Ultraflex as far as I can tell.

It uses a Hynautic Cylinder at the back which was common to several systems I think.
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Old 12 November 2012, 18:40   #2
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Possibly a Marol Pump ? its the closet match looking at the rear of the unit.
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Old 12 November 2012, 19:26   #3
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Possibly a Marol Pump ? its the closet match looking at the rear of the unit.
Just had a quick response from Marol. it is not one of theirs.... my quest continues.
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Old 12 November 2012, 20:28   #4
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Timely question...I've been trying to figure out what mine is so I can order a new seals kit.

This site was helpful to me (but may not be to you):
Hynautic Steering and all hydraulic steering needs

As a general question, is a helm rebuild a DIY job? (the above website, of course, says no!)
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Old 13 November 2012, 00:37   #5
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NCP; are you saying you have a Hynautic unit?

I'm fairly sure the Seastar unit is rebuildable; I recall seeing illustrated directions at one time; didn't seem too hard.

Don't know about other units though.

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Old 13 November 2012, 02:26   #6
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Quote:
Originally Posted by ncp
Timely question...I've been trying to figure out what mine is so I can order a new seals kit.

This site was helpful to me (but may not be to you):
Hynautic Steering and all hydraulic steering needs

As a general question, is a helm rebuild a DIY job? (the above website, of course, says no!)
From what I have been told the only things that go wrong with these pumps is the o rings and seals which you can replace and that's if you can get the steering wheel off but by the time you have bought all the bits your not that far off a new pump.
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Old 13 November 2012, 11:21   #7
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Mick; That's what I'm saying. The helm shaft seal is a $6 part (retail; probably more like $2 or $3 if you source it yourself - it's a standard hydraulic seal, I believe.) The O-rings can't be much either. Cost is going to be labor, and if you do it yourself, well...

Saw a post on a different forum where someone was talking about replacing the O-rings on the check valves (again, this was for a Seastar unit); apparently he didn't even have to remove the hoses (worked through the two big plugs on the rear of the unit.) Had pictures, but since I wasn't a subscribed member, I couldn't see them.

jky
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Old 13 November 2012, 13:33   #8
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If that was originally manufacturer fitted then you haven't a hope in hell of finding out

Saying that, it may be Parker of Parflex fame, but they don't seem to show any marine steering pumps on their website although much of ours is made from their kit.

Please wait while we redirect...
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Old 13 November 2012, 13:35   #9
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Hydrive 401?
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Old 13 November 2012, 13:41   #10
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Looks like I have a Hynautic H-320 Helm. Unfortunately there is nothing about it online. It seems to be a rare one.
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