h16tp(x - AJ Maskin AS

Sheet DP060BREAKDOWN DETECTION FLOW CHARTNO STEERING MOVEMENT(RIGHT OR LEFT)Folio 3/4B- Invert the coils of the jib electrovalveYV16A and YV16B- Press the pedal and activate the REARsteering manipulator SM4The defectivemovement, right (1)or left (2), is made in response to acontrol for the opposite movementleft (1) orright (2)NOReplace electrovalveYV16See FicheC067YESDENDPut coils YV16A and YV16B backin their original positionsPress the pedal and activate the REARsteering manipulator SM4 and check for12V voltage at the terminals of the YV16Aor YV16B connector12VOKNO- Open the turntable control panel- Press the pedal and activate the jib switch and checkfor 12V voltage at terminals 304A or 306A of the printedcircuitYESSee FicheC059Replace coil YV16Aor YV16B12VOKYESNOReplace theU1 moduleSee FicheC107ENDRepair the connection orreplace the wiring harnessbetween the turntable controlpanel and electrovalve YV16ENDThe faultpersistsReplace theprinted circuitENDYESNOENDSee FicheC063