Genie GR-8 Service Manual page 10

TABLE OF CONTENTS
Section 4 Rev
B
A
A
Section 5 Rev
A
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A
A
A
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A
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x
Repair Procedures, continued
Steer Axle Components
8-1 Yoke and Drive Motor ...................................................................... 4 - 36
8-2 Steer Cylinder .................................................................................. 4 - 38
Non-steer Axle Components
9-1 Wheel Brake .................................................................................... 4 - 40
Platform Overload Components
10-1 Platform Overload System ............................................................... 4 - 41
Troubleshooting Flow Charts
Introduction .................................................................................................. 5 - 1
Chart Chart
Number Title
1 All Functions Will Not Operate ........................................................... 5 - 3
2 Pump Motor Will Not Operate ............................................................ 5 - 5
3 All Function Inoperative, Power Unit Starts and Runs ....................... 5 - 6
4 Ground Controls Inoperative, Platform Controls Operate Normally ... 5 - 7
5 Platform Controls Inoperative, Ground Controls Operate Normally ... 5 - 8
6 Platform Up Function Inoperative ...................................................... 5 - 9
7 Platform Down Function Inoperative ................................................ 5 - 10
8 Steer Left Function Inoperative ....................................................... 5 - 11
9 Steer Right Function Inoperative ..................................................... 5 - 12
10 All Drive Functions Inoperative, All Other
Functions Operate Normally ............................................................ 5 - 13
10A Brake Release Function Inoperative ................................................ 5 - 14
11 Drive Forward Function Inoperative ................................................. 5 - 15
12 Drive Reverse Function Inoperative ................................................ 5 - 16
13 Machine Will Not Drive at Full Speed .............................................. 5 - 17
14 Machine Drives At Full Speed With Platform Raised ....................... 5 - 18
GR-8 • GR-12 • GR-15
April 2006
Part No. 72965