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Old 27-04-2015, 05:20   #136
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Re: spot the boatman!

Hey Boaty, you need to bleed the system, have a look at your system and see if they have a web site that gives you instructions on how to!!!!

or look at Hydrive.com.au and look at the installation manuals for all different types ,pick one that is close to your setup and try that way to bleed the bloody thing, simple when you have done it but can be frustrating until you have.

Is yours fitted with the auto pilot, if so it should have a check valve fitted but they have manuals for all types of rams and setups for most types, good luck it only takes a 1/2 hour at most to do the job but a few hours to learn the system and the way to do it correctly.

i have found that the systems have a specific way to bleed them and mostly have to be followed precisely ( don't be like me and try to cut out steps it doesn't work )
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Old 27-04-2015, 05:31   #137
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Quote:
Originally Posted by atoll View Post
I cant see how your system can work without there being bleed points at the ram hose connections,otherwise you are just trying to push air around hence the wheel just spinning.
Guess this is gonna be another case off.. a picture speaks a thousand words.. will take some and get back to ya'll...
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Old 27-04-2015, 05:44   #138
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Re: spot the boatman!

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Guess this is gonna be another case off.. a picture speaks a thousand words.. will take some and get back to ya'll...
+1
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Old 27-04-2015, 11:14   #139
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pirate Re: spot the boatman!

Okay this is it... the Ram... from this run two 3.5metre lengths of hose to the wheel station.. if you can see a bleed point PLEASE tell me.. both ends are exactly the same..

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Old 27-04-2015, 11:30   #140
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Re: spot the boatman!

Hi Phil

I have no experience of hydraulic steering, but it would seem to me that if there was a bleed point it may be at the highest point in the hydraulic system. Is there anywhere you can bleed it where the wheel connects to the hose. If there is no bleed nipple you could try cracking the hose connections while pressuring the system via the wheel.
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Old 27-04-2015, 11:31   #141
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Re: spot the boatman!

Some good DIY advice here ➥ Hydraulic steering trouble shooting and repair
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Old 27-04-2015, 11:38   #142
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Cheers Gord.. I'll have a read..
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Old 27-04-2015, 11:44   #143
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Hi Phil

I have no experience of hydraulic steering, but it would seem to me that if there was a bleed point it may be at the highest point in the hydraulic system. Is there anywhere you can bleed it where the wheel connects to the hose. If there is no bleed nipple you could try cracking the hose connections while pressuring the system via the wheel.
There's two holes in the top of the pump unit.. one is the filler.. not sure what the other is but did the bleeding in Sicily with both open.. Cannot crack the hoses at the top as they are enclosed in the housing.. and if I open it the pump falls about so cannot spin the wheel..
Atoll suggested cracking the hoses at the ram and cranking the wheel one way then the other till clear fluid ran.. which is what I did.. thought it had worked but the Sirocco 4 days back proved me wrong
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Old 27-04-2015, 11:51   #144
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Re: spot the boatman!

If the wheel is just spinning and the reservoir is full then I think it is either a bad pump or the wheel is spinning on the pump shaft. Can you see if the shaft turns where it enters the pump. If not then the wheel is not turning the shaft. If the shaft is turning then the pump needs rebuild/replace. Bleed points are usually at the cylinder as the pump is the high point and self bleeds.
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Old 27-04-2015, 11:56   #145
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If the wheel is just spinning and the reservoir is full then I think it is either a bad pump or the wheel is spinning on the pump shaft. Can you see if the shaft turns where it enters the pump. If not then the wheel is not turning the shaft.
This I can check...
If the shaft is turning then the pump needs rebuild/replace. Bleed points are usually at the cylinder as the pump is the high point and self bleeds.
This is what I am dreading...
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Old 27-04-2015, 12:16   #146
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Re: spot the boatman!

looks like you will have to bleed it by loosening the fitting at the ram.

this you have to start with the ram hard over on the side you want to bleed.

ie the side you bleed, the chamber in the ram has no oil in it with the steering rod fully extended on that side,' lets call that side starboard .

(the oppsite side of the ram is full of oil and as you turn the wheel this floes back to the pump reservoir.)

now with someone at the helm,the ram hard over to starboard open the hose fitting fractionally,and turn the helm slowly to port air and oil will spurt out,keep turning the wheel till only oil comes out then tighten the hose fitting once only oil is leaking.
keep turning till ram is hard over to port.

repeat process of loosening hose fitting on port side,turning wheel slowly to starboard until only oil escapes.

make sure to keep topping up helm reservoir with oil whilst turning wheel.

this should clear the air from the system,repeat if system still spongy.

if this was never done when you replaced the seals then it is not surprising the steering is not working!
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Old 27-04-2015, 12:22   #147
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pirate Re: spot the boatman!

Quote:
Originally Posted by atoll View Post
looks like you will have to bleed it by loosening the fitting at the ram.

this you have to start with the ram hard over on the side you want to bleed.

ie the side you bleed, the chamber in the ram has no oil in it with the steering rod fully extended on that side,' lets call that side starboard .

(the oppsite side of the ram is full of oil and as you turn the wheel this floes back to the pump reservoir.)

now with someone at the helm,the ram hard over to starboard open the hose fitting fractionally,and turn the helm slowly to port air and oil will spurt out,keep turning the wheel till only oil comes out then tighten the hose fitting once only oil is leaking.
keep turning till ram is hard over to port.

repeat process of loosening hose fitting on port side,turning wheel slowly to starboard until only oil escapes.

make sure to keep topping up helm reservoir with oil whilst turning wheel.

this should clear the air from the system,repeat if system still spongy.

if this was never done when you replaced the seals then it is not surprising the steering is not working!
And folks wonder why I like/prefer tiller steering...
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Old 27-04-2015, 12:25   #148
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Re: spot the boatman!

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And folks wonder why I like/prefer tiller steering...
Hahahaha

It works fine once bled properly.

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Old 27-04-2015, 12:31   #149
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Re: spot the boatman!

Bled it yet?
I have never got away with bleeding a hydraulic system once. So keep at it.

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Old 27-04-2015, 12:31   #150
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Re: spot the boatman!

edit ;should read
if this was never done when you replaced the hoses and seals then it is not surprising the steering is not working!

hydraulic oil is too viscous for the air to work its way out the system with out going through the process as described............
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