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Old 25 March 2012, 11:19   #1
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Sea star steering

Does this reservoir behind the wheel need to be full of fluid and is it power steering fluid

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Old 25 March 2012, 12:01   #2
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Looks like it has to be full I have some hydrolic jack oil will that do the job.
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Old 25 March 2012, 12:12   #3
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Quote:
Originally Posted by discomick View Post
Looks like it has to be full I have some hydrolic jack oil will that do the job.
Um, does it not need to be SeaStar oil? They're always warning about the dire quincequonces of mixing it...

Filling those yokes is fun. As you turn the helm, the level changes, so if you fill it to the top, it will come out the pressure valve in the cap.
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Old 25 March 2012, 12:13   #4
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Not sure whether hudraulic ol is suitable, but don't overfill it. You need about 1/2" clear at the top to allow for expansion on hot days. If you don't do this it will bleed out through the breather and run down the console making you think you've got a leak.
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Old 25 March 2012, 15:15   #5
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Has to be SeaStar oil I'm afraid. You can fill it to the top, but my suggestion is to tie a rag around the helm when leaving the boat so that it soaks up any overflowing hydraulic oil.
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Old 25 March 2012, 16:47   #6
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Quote:
Originally Posted by discomick View Post
Does this reservoir behind the wheel need to be full of fluid and is it power steering fluid

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Yes Mick use the seastar fluid you can buy it off ebay
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Old 26 March 2012, 03:16   #7
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Seastar oil is a high grade aviation hydraulic fluid. IMO, it does not need to be high grade; that's just what they repackage.

ATF will work fine, but may increase steering effort a bit due it's viscosity.

Aviation hydraulic fluid can be had at aircraft supply places by the gallon for half the cost of a quart of Seastar fluid.

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Old 26 March 2012, 13:05   #8
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Quote:
Originally Posted by discomick View Post
Does this reservoir behind the wheel need to be full of fluid and is it power steering fluid

Attachment 66515

Hey there - yes and no. When you open the filler cap and look down inside, you should see fluid, at the very least, covering the stainless bearing that you will see. We like to see the fluid level about 1/8" below the bottom of the filler port

ONLY use SeaStar Steering fluid, lacking that, any fluid that meets MIL SPEC H5606C or D will work, lacking that and in an emergency you can use any Dexron ATF.

thanks
Marc
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Old 27 March 2012, 03:31   #9
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We have fitted a few of these and they need to be filled, we have used ATF in an emergency but something like jack oil will do - but would you really want to put something in there that "will do?"
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Old 27 March 2012, 15:43   #10
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Got a result rang these today very helpful
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Mount Pleasant Lane
Lymington
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Tel: 01590 681445
Fax: 01590 681446
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email: info@hypromarine.com
email: steve@hypromarine.com
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