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-   -   Power steering from both engines? (https://www.offshoreonly.com/forums/general-boating-discussion/280928-power-steering-both-engines.html)

steve_eo 07-17-2012 09:18 PM

Power steering from both engines?
 
I have twin HP500EFI engines....and like every other setup I've ever seen, I only have one power steering pump.
Why is that?
When there is a failure that dictates I shut down the engine with the power steering pump.....why can't I switch some values and use the other engine for power steering (I mean having dual pumps with a switch over capability).
Thanks for the insight.....
-Steve

c_deezy 07-17-2012 09:56 PM

It is possible to do, there are a couple of different ways to do it. Here are some previous threads that touch on it.

http://www.offshoreonly.com/forums/g...ity-valve.html

http://www.offshoreonly.com/forums/g...-steering.html


http://www.lathammarine.com/st1b.htm#1

dereknkathy 07-18-2012 06:10 AM

take a look at your power steering pump and the crank pulley for other motor. many have room to run a belt between them to get you home. but you hafta have it measured and on board ahead of time! of course, once you do that, you will never need it...

wrinkleface 07-18-2012 06:25 AM

had a Buddy lose his pump on his 1350's at Boyne Thunder & plans 2 do the above & make sure he it not in that position again!!

steve_eo 07-18-2012 06:28 AM

Thanks for the input....I never thought of running the pump from the other engine via an extra belt!
-Steve

Unlimited jd 07-18-2012 06:35 AM

I highly doubt you'll find a way to get a belt from one engine to the other. My boat has a tee at the filter both pressure lines feed, and a tee in the return line before the coolers, separate cooler each engine. Works fine no valves no problems

Crossbow33 07-18-2012 09:30 AM

Work on a lot of paramilitary trash. Done dual pump set ups. You need to put T valves on each side so that the pump can either go through the power steering system or be shunted back to it's own reservoir and use only one side at a time. Just using Ts and hooking everything together is a good way to loose your hydraulic oil. Scenario runs one engine dies and when the fluid exits the power steering system it still goes to both tanks but the dead side isn't pumping it back into the system so after a while the oil over flows from the tank vent.:confused:

steve_eo 07-18-2012 09:35 AM

Thanks for the T value input.......your experience=my savings :)

DucBoy 07-18-2012 10:56 AM

I have pumps on both engines. Flow is downhill from large overflow/reservoir to first engine (T on top of cap) to second engine. No issues. I have #6 drives - no way to turn those beasts with out power!

F3504x4ps 07-18-2012 11:01 AM

Buy a Formula they come stock that way. two PS pumps for safety


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