Genie GR-12 - Page 9

May 2018
Table of Contents
Part No. 1275811GT GR
™
• QS
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R • QS
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W ix
Section 4 Repair Procedures ............................................................................................. 41
Introduction ........................................................................................................... 41
Platform Controls ............................................................................................... 43
1-1 Circuit Board................................................................................................... 45
1-2 Joystick ........................................................................................................... 46
1-3 Platfrom Controls Alarm ................................................................................. 46
1-4 Platform Emergency Stop Button ................................................................... 47
Ground Controls ................................................................................................. 48
2-1 Software Revision Level ................................................................................. 49
2-2 Machine Setup ............................................................................................... 50
2-3 Level Sensors ................................................................................................ 51
Hydraulic Pump .................................................................................................. 60
3-1 Hydraulic Pump .............................................................................................. 60
How to Remove the Hydraulic Pump .............................................................. 61
Function Manifold .............................................................................................. 62
4-1 Function Manifold Components ..................................................................... 62
4-2 Valve Adjustments – Function Manifold ......................................................... 64
4-3 Valve Coils ..................................................................................................... 67
Brake Release Hand Pump Components ......................................................... 69
5-1 Brake Release Hand Pump Components ...................................................... 69
Hydraulic Tank .................................................................................................... 70
6-1 Hydraulic Tank ............................................................................................... 70
Non-Steer Axle Components ............................................................................. 71
7-1 Drive Brake..................................................................................................... 71
Steer Axle Components ..................................................................................... 72
8-1 Yoke and Drive Motor .................................................................................... 72
8-2 Steer Cylinder ................................................................................................ 73
8-3 Steer Bellcrank ............................................................................................... 74