Genie GRC-12 Service Manual 115370 – PDF DOWNLOAD
Language : English
Pages : 106
Downloadable : Yes
File Type : PDF
Table of Contents:
Genie GRC-12 Service Manual 115370 – PDF DOWNLOAD
Important Information....................................................................... 2 Table of Contents........................................................................... 7 Section 1 • Safety Rules.................................................................... 5 Section 2 • Specifications.................................................................. 11 Machine Specifications - Rev A.......................................................... 11 Performance Specifications - Rev A...................................................... 12 Hydraulic Specifications - Rev A........................................................ 12 Manifold Component Specifications - Rev A............................................... 13 Hydraulic Hose and Fitting Specifications - Rev A....................................... 14 SAE and Metric Fasteners Torque Charts - Rev A.......................................... 16 Section 3 • Scheduled Maintenance Procedures................................................ 17 Introduction............................................................................ 17 Pre-delivery Preparation................................................................ 19 Maintenance Inspection Report........................................................... 21 Checklist A Procedures - Rev A.......................................................... 22 A-1 Inspect the Manual and Decals.................................................. 22 A-2 Perform Pre-operation Inspection............................................... 23 A-3 Perform Function Tests......................................................... 23 A-4 Perform 30 Day Service......................................................... 24 A-5 Grease the Steer Yokes......................................................... 24 Checklist B Procedures - Rev A.......................................................... 25 B-1 Inspect the Batteries........................................................... 25 B-2 Inspect the Electrical Wiring................................................... 27 B-3 Inspect the Tires and Wheels (including castle nut torque)...................... 28 B-4 Test the Emergency Stop......................................................... 28 B-5 Test the Key Switch............................................................. 29 B-6 Test the Automotive-style Horn (if equipped).................................... 29 B-7 Inspect the Voltage Inverter (if equipped)...................................... 30 B-8 Test the Drive Brakes........................................................... 31 B-9 Test the Drive Speed - Stowed Position.......................................... 32 B-10 Test the Drive Speed - Raised Position......................................... 33 B-11 Test the Slow Drive Speed..................................................... 34 B-12 Test the Flashing Beacons...................................................... 35 B-13 Test the Motion Alarm (if equipped)........................................... 35 B-14 Perform Hydraulic Oil Analysis................................................ 36 B-15 Inspect the Breather Cap...................................................... 37 Checklist C Procedure - Rev A........................................................... 38 C-2 Replace the Hydraulic Tank Breather Cap - Models with Optional Hydraulic Oil.... 38 Checklist D Procedure - Rev A........................................................... 39 D-3 Replace the Hydraulic Tank Return Filter........................................ 39 Checklist E Procedure - Rev A........................................................... 40 E-1 Test or Replace the Hydraulic Oil............................................... 40 Section 4 • Repair Procedures............................................................... 43 Introduction............................................................................ 43 Platform Controls - Rev A............................................................... 44 1-1 Circuit Boards.................................................................. 44 1-2 Controller Adjustments.......................................................... 45 1-3 Software Configuration.......................................................... 50 Platform Components - Rev A............................................................. 54 2-1 Platform........................................................................ 54 2-2 Platform Extension.............................................................. 54 Mast Components - Rev A................................................................. 56 3-1 Mast............................................................................ 56 3-2 Wear Pads....................................................................... 67 3-3 Lift Cylinder................................................................... 68 3-4 Lift Cylinder Wear Block........................................................ 70 3-5 Mast Coil Cord.................................................................. 70 Ground Controls - Rev A................................................................. 71 4-1 Level Sensor.................................................................... 71 Hydraulic Pump - Rev A.................................................................. 74 5-1 Function Pump................................................................... 74 Function Manifold - Rev A............................................................... 76 6-1 Function Manifold Components.................................................... 76 6-2 Valve Adjustments - Function Manifold........................................... 78 6-3 Valve Coils..................................................................... 82 Hydraulic Tank - Rev A.................................................................. 84 7-1 Hydraulic Tank.................................................................. 84 Steer Axle Components - Rev A........................................................... 85 8-1 Yoke and Drive Motor............................................................ 85 8-2 Steer Cylinder.................................................................. 87 8-3 Steer Bellcrank................................................................. 87 Non-steer Axle Components - Rev A....................................................... 88 9-1 Drive Brake..................................................................... 88 Brake Release Hand Pump Components - Rev A.............................................. 89 10-1 Brake Release Hand Pump Components............................................. 89 Section 5 • Fault Codes..................................................................... 91 Introduction............................................................................ 91 Fault Code Chart - Rev A................................................................ 93 Section 6 • Schematics...................................................................... 95 Introduction............................................................................ 95 Electrical Component and Wire Color Legends - Rev A..................................... 96 Relay Layout and ECM Pin-out Legend - Rev A............................................. 97 Wiring Diagram, Ground and Platform Controls - Rev A.................................... 98 Electrical Symbols Legend - Rev A....................................................... 99 Electrical Schematic - Rev A............................................................100 Hydraulic Component Reference and Symbols Legend - Rev A...............................103 Hydraulic Schematic - Rev A.............................................................104
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