Power Steering issue

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   I have what I believe to be a 610 AC forklift.  It has a D15 Series 2 engine in it (160 cu. in.).  I am having trouble with the power steering not responding when I first start it up.  The steering wheel is very hard to turn, and the steering wheels don't respond much.  After warming up for a while and pulling on the steering wheel it seems to just start working.  It will work fine until I shut it off.  When I restart it, it may bother again, or it may work right immediately.  The forklift works up and down good right away after starting.  I think the pump is working.
Is air getting into the system somehow?  Not sure where to start.  Any ideas?
Joel

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jpi72 Members Profile Send Private Message Find Members Posts Add to Buddy List Bronze Level Joined: 27 Jul 2019 Location: Hudson, Iowa Points: 45	Post Options Post Reply Quote jpi72 Report Post Thanks(0) Quote Reply Topic: Power Steering issue Posted: 6 hours 29 minutes ago at 3:15pm
	I have what I believe to be a 610 AC forklift. It has a D15 Series 2 engine in it (160 cu. in.). I am having trouble with the power steering not responding when I first start it up. The steering wheel is very hard to turn, and the steering wheels don't respond much. After warming up for a while and pulling on the steering wheel it seems to just start working. It will work fine until I shut it off. When I restart it, it may bother again, or it may work right immediately. The forklift works up and down good right away after starting. I think the pump is working. Is air getting into the system somehow? Not sure where to start. Any ideas? Joel

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DrAllis Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Access Joined: 12 Sep 2009 Points: 22600	Post Options Post Reply Quote DrAllis Report Post Thanks(0) Quote Reply Posted: 5 hours 57 minutes ago at 3:47pm
	The power steering pump (if it is a stand-alone pump) is losing prime. Time to reseal/overhaul/teardown. I'm not familiar with the chassis, but if the lift system always works, the power steering must be a pump of its own. Or, it is a tandem type pump with PS on one end and Lift on the other. Anyway, it is PUMP issues. Nothing else.

CrestonM Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Joined: 08 Sep 2014 Location: Oklahoma Points: 8463	Post Options Post Reply Quote CrestonM Report Post Thanks(0) Quote Reply Posted: 3 hours 60 minutes ago at 5:44pm
	I don't mean to hijack, but what if a guy is having the opposite issue? Steering works but it turns very freely and takes a lot more turning of the wheel to get the steering to respond. Steering orbital needing rebuilt you think?

Leon B MO Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Joined: 12 Sep 2009 Location: Old Monroe, Mo Points: 2228	Post Options Post Reply Quote Leon B MO Report Post Thanks(0) Quote Reply Posted: 3 hours 11 minutes ago at 6:33pm
	Creston, we have an XT bought new in 72. Lots and lots of hours. Over the last couple of years the steering would wonder, turn the wheel and nothing happens until about the 2nd rotation. It is kind of a spare utility unit now so we were not in a hurry to fix it. About 2 months ago we removed the steering motor under dash and took it to a reputable shop. He said it was so wore out it would be best to replace it. About $500 later the ol XT goes where I want it to. Leon B Mo
	Uncle always said "Fill the back of the shovel and the front will take care of itself".

DrAllis Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Access Joined: 12 Sep 2009 Points: 22600	Post Options Post Reply Quote DrAllis Report Post Thanks(0) Quote Reply Posted: 3 hours 11 minutes ago at 6:33pm
	In 50 years I have NEVER done anything to an orbitrol except replace the quad seal for leaking oil up thru the steering column. What model machine ??

Leon B MO Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Joined: 12 Sep 2009 Location: Old Monroe, Mo Points: 2228	Post Options Post Reply Quote Leon B MO Report Post Thanks(0) Quote Reply Posted: 2 hours 20 minutes ago at 7:24pm
	Very late series 3, 30067. It was not leaking externally. As stated bought new and for the first 15 years it had 150 gallon saddle tanks with a 2300 18' disc and drag harrow for about 700 tillage acres. Then it became the manure loading/feed grinding tractor for about a 1000 head of hogs and cattle until 05. Worst job for a tractor on the farm. Different motor and rear end at different points. This tractor has had a very hard life. Not proud of how it got serviced or maintained. It now has a 3pt forklift on and will get probably less than 10 hours a year. It will hopefully last me out. I'm not gonna complain about a 45 year old motor giving up. I got all the goodie out of it. Thanks. Leon B Edited by Leon B MO - 1 hour 53 minutes ago at 7:51pm
	Uncle always said "Fill the back of the shovel and the front will take care of itself".