Anyone familiar with the altec LR 4? from 1997 to 1999

maac

New Member
Location
mineral point
I have one( old asplundh truck top kick gmc c7500) that I just put a new pump and pto on. Outriggers move up and down,the boom will go left to right,and both upper and lower boom have down pressure.But they will not raise. The only thing i did was replace the pump and pto. It only had 3 hydraulic lines and they are each different sizes so no way to screw that up.Im lost... Thanks in advance
 

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