Genie GR-8 Service Manual page 9

August 2005
Section 4 Rev
B
B
B
B
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Part No. 72965
Repair Procedures
Introduction .................................................................................................. 4 - 1
Platform Controls
1-1 Circuit Boards .................................................................................... 4 - 2
1-2 Controller Adjustments ....................................................................... 4 - 3
Platform Components
2-1 Platform ............................................................................................. 4 - 5
2-2 Platform Extension ............................................................................. 4 - 5
Mast Components
3-1 Mast ................................................................................................... 4 - 6
3-2 Glide Pads ....................................................................................... 4 - 10
3-3 Lifting Chains ................................................................................... 4 - 11
3-4 Lift Cylinders .................................................................................... 4 - 14
Ground Controls
4-1 Control Relays ................................................................................. 4 - 15
4-2 Circuit Board .................................................................................... 4 - 16
4-3 Controller Adjustments ..................................................................... 4 - 17
4-4 Level Sensor .................................................................................... 4 - 19
Hydraulic Pump
5-1 Function Pump ................................................................................. 4 - 22
Manifolds
6-1 Function Manifold Components
(before serial number GR01-225) .................................................... 4 - 24
6-2 Function Manifold Components
(from serial number GR01-225 to GR01-248) .................................. 4 - 26
6-3 Function Manifold Components
(after serial number GR01-248) ....................................................... 4 - 28
6-4 Valve Adjustments - Function Manifold ............................................. 4 - 30
6-5 Valve Coils ....................................................................................... 4 - 33
Hydraulic Tank
7-1 Hydraulic Tank ................................................................................. 4 - 35
GR-8 • GR-12 • GR-15
TABLE OF CONTENTS
ix