September 2016Table of Contentsviii Z-45/25 • Z-45/25J Part No. 1268548Section 3 Repair Procedures ..............................................................................................21Introduction ...........................................................................................................21Platform Controls ...............................................................................................231-1 ALC-500 Circuit Board ...................................................................................231-2 Joysticks .........................................................................................................24How to Adjust the Joystick Max-out Setting ....................................................25How to Adjust the Joystick Ramp Rate Setting ...............................................26How to Adjust the Joystick Threshold Setting .................................................27Platform Components ........................................................................................292-1 Platform Leveling Slave Cylinder ...................................................................29How to Bleed the Slave Cylinder .....................................................................302-2 Platform Rotator .............................................................................................312-3 Platform Overload System .............................................................................32Jib Boom Components ......................................................................................343-1 Jib Boom.........................................................................................................343-2 Jib Boom Lift Cylinder ....................................................................................35Primary Boom Components ..............................................................................374-1 Cable Track ....................................................................................................37How to Remove the Cable Track, Z-45/25 ......................................................37How to Remove the Cable Track, Z-45/25J ....................................................39How to Repair the Primary Boom Cable Track ...............................................414-2 Primary Boom .................................................................................................41How to Disassemble the Primary Boom ..........................................................434-3 Primary Boom Lift Cylinder.............................................................................444-4 Primary Boom Extension Cylinder .................................................................454-5 Platform Leveling Master Cylinder .................................................................46
