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Old 12-09-2019, 10:55 AM   #1
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Any idea on what this valve does?

Please excuse me for my question, but it is bugging me. This valve is located in the lower helm near steering wheel. It is connected to my hydraulic steering system. I do not know what it is for. It opens and closes. But what this is the question.
Thank you.
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Old 12-09-2019, 11:04 AM   #2
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Maybe a vent and/or fill location for the hydraulics?

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Old 12-09-2019, 03:32 PM   #3
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It may shut off the upper helm.
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Old 12-09-2019, 03:56 PM   #4
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Is it mounted vertically or horizontally?
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Old 12-09-2019, 04:10 PM   #5
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double check the connection. Mine is connected to cold fresh water line. When turned on it allows water to drip through a tube above stbd window. Windshield wiper can then clean salt spray without turning it into a solid white film.
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Old 12-09-2019, 04:40 PM   #6
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On my IG 32, a valve knee high on the console is for the windshield washer.
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Old 12-09-2019, 04:48 PM   #7
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I think this is the water supply for your windshield. It wouild have been the original water supply to allow cleaning of your window by spraying it.
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Old 12-09-2019, 05:36 PM   #8
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Ok its an Italian valve. We need more info. It is connected between what and what in the system? Perhaps a picture of the connections?
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Old 12-09-2019, 06:42 PM   #9
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Some steering helm pumps are variable displacement and have a knob that controls it. Itís probably unlikely in this case, but something to keep in mind. I think to figure it out you will need to more carefully look at how itís plumbed in.
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Old 12-09-2019, 11:11 PM   #10
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Check your number of Steering wheel rotations from lock to lock with the valve open and closed. See if it increases or decreases the number of rotations.
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Old 12-09-2019, 11:41 PM   #11
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Quote:
Originally Posted by SoWhat View Post
double check the connection. Mine is connected to cold fresh water line. When turned on it allows water to drip through a tube above stbd window..
I`d agree, except OP says it connects to hydraulics. Vadim, are you sure it does?
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Old 12-10-2019, 07:02 AM   #12
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It could be a restrictor on the hydraulics of the helm to make it stiffer in heavy seas, try it at different settings, with engine running.
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Old 12-10-2019, 08:07 AM   #13
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Quote:
Originally Posted by whjkelly View Post
I think this is the water supply for your windshield. It wouild have been the original water supply to allow cleaning of your window by spraying it.
You know, I think you are right . It does make sense.
Thank you.
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Old 12-10-2019, 08:15 AM   #14
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I`d agree, except OP says it connects to hydraulics. Vadim, are you sure it does?
I thought that it was, it is connected to copper lines similar or the same size as hydraulics with the same connectors. I went to the boat to check it again. I found windshield washing tubes. I can not test it now because boat has being winterized, but it the spring it would be the first thing I test.
Thank you all.
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Old 12-12-2019, 01:37 PM   #15
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Quote:
Originally Posted by Vadim View Post
I thought that it was, it is connected to copper lines similar or the same size as hydraulics with the same connectors. I went to the boat to check it again. I found windshield washing tubes. I can not test it now because boat has being winterized, but it the spring it would be the first thing I test. Thank you all.
IG used cu lines for fuel and water. The windshield washer line may have another valve where it T's off from the line to the head. It's a small diameter and could be blocked. Compressed air may clean it out.
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Old 12-12-2019, 04:14 PM   #16
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When you fix it, make sure the valve closes properly. I know of an IG (not mine) with wooden windows (you may not have them) where the valve was left open allowing fresh water to leak out with unfortunate results.
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Old 12-16-2019, 07:12 PM   #17
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My guess, it is the bleed/add fluid port for hydraulic steering fluid. Unscrew it to open it and slowly turn the wheel and see if steer fluid shows and trys to comes out. if you have hydraulic steering and not chain style.
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Old 12-16-2019, 10:26 PM   #18
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Doncha love it when people don't LABEL valves?
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Old 12-16-2019, 10:43 PM   #19
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Doncha love it when people don't LABEL valves?
and new electrical cables, removing old unused cables.

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Old 12-16-2019, 10:59 PM   #20
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It can only be the valve for the windscreen washer. Why it was put in this position- down low virtually behind the helm is beyond me.
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