Hello, We have a fleet of 18 Grove RT cranes here in Saudi Arabia,RT765E-2 up to RT9130E,a couple of the cranes have had problems with the boom "creeping" in,normally it's a seal change or holding valve replacement,depending on what the symptoms are.What is the opinion on re-buliding a holding valve (piston,seals etc),or buy new? personally i always order new,in asking around other companies,they are re-building. I would be interested to hear opinions. Thanks.
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