Posted 6/13/2012 01:20 (#2427629) Subject: raven 440 on top air 500 low pressure?
southern mn
have a top air 500 50ft boom raven 440 controler hyd pump holds 60-70 psi but when you turn on the boom pressure drops to 20-30 psi on the manifold?pressure stays at60plus on top gauge, just drops on manifold? cleaned the screens drained tank to check that valve on bottom of tank was opening completely/etc. am down to flow control or console, any ideas? thanks!
raven 440 on top air 500 low pressure?
