hi guys,,any one help me? my hitachi ex200-1 weak swing and when you swing then stop vibration begin on turn table when i stop to swing,and when i swing and lift cylinder raise,vibration on the turn table will continues when swing and boom both move.and when i pull slightly the lift control lever to raise the boom move down slowly,but when i pull at half or full the lift control lever the boom will raise,any suggestion i'll appreciate,thanks a lot.
boss any ideas what happen to my machine?..
i'll try to fix my machine last week,i check first the swing motor,but no any thing wrong,the swing motor is fine,then i'll check the main pump,the pump is fine,all function good except swing and boom up.