Power steering problem - Technical Troubleshooting discussion in Forkliftaction's forums

Unicarriers (& Nissan) UGJ02A30V:
Power steering problem

This unit had a tore up orbitrol that was removed and rebuilt. When it was installed the steering catches. When it does catch it will not release until you let off the gas. Then it will be OK until you want to turn again and then it catches again. I didn't have my pressure gauge with me but I suspect the hyd. pump. Anyone else have this problem?

Posted 31 Aug 2009 08:48
Discussion started by jim_v
Michigan, United States

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did you time the rotary valve and gerotor properly in the orbitrol?

Posted 5 Sep 2009 05:34
Reply by carl_v
Pennsylvania, United States

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How was the truck before it was torn apart? The orbitrol should have been replaced instead of rebuilt. I'd take a close look at the steer cylinder to see if it's bent, they were famous for that.
How does the lift ,tilt & sideshift operate? any issues there before?
Try to jack the steer tires off the ground and have the truck running and someone in the operators seat slowly turning the wheel in each direction,you watch the steer axle and try to see what it feels like when it moves, could just be air in the lines that need to be bled out.(I'm never that lucky though)

Posted 2 Sep 2009 10:21
Reply by roadtech
Ohio, United States

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