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: 1 hour 60 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: 22596	Post Options Post Reply Quote DrAllis Report Post Thanks(0) Quote Reply Posted: 1 hour 28 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.