Genie Z-30/20N Service Manual page 10

Table of Contents
Section 4
x
Repair Procedures ............................................................................................. 45
Introduction .......................................................................................................... 45
Platform Controls ............................................................................................... 47
1-1 Controllers ...................................................................................................... 47
Platform Components ....................................................................................... 49
2-1 Platform Leveling Slave Cylinder ................................................................... 49
2-2 Platform Rotator ............................................................................................. 50
2-3 Platform Overload System ............................................................................. 51
Jib Boom Components ...................................................................................... 54
3-1 Platform Overload System ............................................................................. 54
3-2 Jib Boom Bell Crank (models without rotating jib boom) ............................... 55
3-3 Jib Boom Bell Crank (models with rotating jib boom) .................................... 56
3-4 Jib Boom Lift Cylinder .................................................................................... 58
Primary Boom Components ............................................................................. 59
4-1 Cable Track.................................................................................................... 59
How to Repair the Primary Boom Cable Track ............................................... 59
4-2 Primary Boom ................................................................................................ 60
How to Remove the Primary Boom ................................................................ 60
How to Disassemble the Primary Boom ......................................................... 62
4-3 Primary Boom Lift Cylinder ............................................................................ 63
4-4 Primary Boom Extension Cylinder ................................................................. 65
4-5 Platform Leveling Master Cylinder ................................................................. 67
Secondary Boom Components ........................................................................ 68
5-1 Secondary Boom ........................................................................................... 69
5-2 Secondary Boom Lift Cylinders ..................................................................... 74
Hydraulic Pump .................................................................................................. 77
6-1 Auxiliary and Function Pump ......................................................................... 77
Z-30/20N • Z-30/20N RJ • Z-34/22 • Z-34/22N
April 2016
Part No. 139378