REV CSection 4 • Repair ProceduresJune 2005Part No. 52075 TMZ-34/19 4 - 25GROUND CONTROLS5-5Membrane OverlayThe following procedures will notapply for machines manufacturedin the 1998 and 1999 model years.How toReplace the Overlay1 Disconnect the battery pack from the machine.Electrocution hazard. Contact withelectrically charged circuits couldresult in death or serious injury.Remove all rings, watches andother jewelry.2 Loosen the control box lid retaining fastenersand open the lid.3 Disconnect the large blue connector from thecircuit board at the connection marked KEYPADby sliding the connector parallel to the circuitboard.Component damage hazard. Thecircuit board will become damagedif the wire harness and connectorare disconnected without propercare. Do not pull upwards on theconnector OR put any weight orstrain on the wires.Component damage hazard.Electrostatic discharge (ESD) candamage printed circuit boardcomponents. Use a groundedwrist strap at all times whenhandling printed circuit boards.4 Install the lid onto the control box. Finger-tightenthe retaining fasteners.GROUND CONTROLSMEMBRANE DECAL PANEL16 PIN RIBBON CABLE161514131287651121019BN44BN39FUNCTION ENABLE HIGHPRIMARY DOWNBN45FUNCTION ENABLE MEDIUMBN46BN35BN38BN53BN52BN41FUNCTION ENABLE LOWHORNPRIMARY UPRIGHT FRONT OUTRIGGERLEFT FRONT OUTRIGGERSECONDARY DOWNBN37BN36BN43BN50BN47BN48BN42BN49JIB BOOM DOWNJIB BOOM UPROTATE RIGHTLEFT REAR OUTRIGGEROUTRIGGER EXTENDOUTRIGGER RETRACTROTATE LEFTOUTRIGGER AUTO LEVELBN51 RIGHT REAR OUTRIGGERBN40 SECONDARY UPMODELS WITHHYDRAULIC OUTRIGGERSGROUND CONTROLSMEMBRANE DECAL PANELBN44BN39FUNCTION ENABLE HIGHPRIMARY DOWNBN45FUNCTION ENABLE MEDIUMBN46BN35BN38FUNCTION ENABLE LOWHORNPRIMARY UPBN37BN36BN43BN42JIB BOOM DOWNJIB BOOM UPROTATE RIGHTROTATE LEFTBN40BN41SECONDARY UPSECONDARY DOWN1615141312876510916 PIN RIBBON CABLEMODELS WITHMANUAL OUTRIGGERSNOTETHE RANDOM ORDER OF THE 16-PINRIBBON CONNECTOR IS DONE ONLY TOSHOW THE WIRE CIRCUITS. ON THEMACHINE, THE WIRES OF THE RIBBONCABLE, WHERE THEY CONNECT WITHTHE CIRCUIT BOARD ARE IN NUMERICORDER FROM 1 TO 16.THE CIRCUIT BOARD IS MARKED AT ONEEND OF THE BOARD-TO-CABLECONNECTION WITH THE NUMBER “1.”CAREFULLY INSPECT THE CIRCUITBOARD TO LOCATE THE NUMBER 1WIRE OF THE RIBBON CABLE.800-610-4101ActionRental.com
