I have a JLG 34HA that acts like its low on hydraulic pressure. Dealer put new main pump on but still have to use auxilary pump with main pump to get things moving. Thinking dump valve? Would appreciate any help.
When dealer did pump did they put all hydraulic filters new including hydraulic cleaner-breather filter which usually never comes in filter kit
No. Pump only. The longer it runs it gets to where boom won't lift with help from aux pump.