ii
List of Illustrations
Figure 3-1. Lower Control Box................................................................................. 3-1
Figure 3-2. Upper Control Box................................................................................. 3-2
Figure 3-3. Battery On/Off Switch............................................................................ 3-3
Figure 3-4. Emergency Lowering Valve................................................................... 3-5
Figure 3-5. Lifting Pockets ....................................................................................... 3-6
Figure 3-6. Travel Brake and Steering Linkage........................................................ 3-6
Figure 4-1.
Underguard............................................................................................. 4-3
Figure 4-2.
Lift Chains Lubrication .......................................................................... 4-4
Figure 4-3. Mast Slide Ways Lubrication................................................................. 4-4
Figure 4-4. Rear Casters Lubrication........................................................................ 4-5
Figure 4-5. Front Caster Pillow Blocks Lubrication................................................. 4-5
Figure 4-6. Pressure Relief Valve Adjustment.......................................................... 4-7
Figure 4-7. Flow Restrictor Valve ............................................................................ 4-8
Figure 4-8. Valve Operation .................................................................................... 4-9
Figure 4-9. Hydraulic Cylinder Disassembly.......................................................... 4-12
Figure 4-10. Battery Charger Cord ........................................................................... 4-12
Figure 4-11. Chain Elongation Inspection ................................................................ 4-13
Figure 4-12. Lift Chains Adjustment ........................................................................ 4-14
Figure 4-13. Slide Blocks Adjustment...................................................................... 4-15
Figure 4-14. Main Controller Board ......................................................................... 4-19
Figure 4-15. Hydraulic Diagram............................................................................... 4-26
Figure 4-16. PC Logic Diagram................................................................................ 4-27
Figure 4-17. Electrical Layout .................................................................................. 4-28
Figure 4-18. Drive Wiring Diagram.......................................................................... 4-29
Figure 4-19. Upper Control Wiring Diagram ........................................................... 4-30
Figure 5-1. Replacement Decals ............................................................................... 5-2
Figure 5-2. Decal Locations, Side View................................................................... 5-4
Figure 5-3. Decal Locations, Rear View................................................................... 5-5
Figure 6-1. First Moving Mast.................................................................................. 6-2
Figure 6-2. Second Moving Mast ............................................................................. 6-4
Figure 6-3. Third Moving Mast ................................................................................ 6-6
Figure 6-4. Fourth Moving (Platform) Mast............................................................. 6-8
Figure 6-5. Battery Compartment ........................................................................... 6-10
Figure 6-6. Hydraulic Pump Compartment............................................................. 6-12
Figure 6-7. Base...................................................................................................... 6-14
Figure 6-8. Base Mast............................................................................................. 6-16
Figure 6-9. Drive Axle............................................................................................ 6-18
Figure 6-10.
Steering ................................................................................................ 6-20
Figure 6-11.
Platform................................................................................................ 6-22
Figure 6-12.
Upper Control Box............................................................................... 6-24
Figure 6-13.
Hydraulic Unit Assembly..................................................................... 6-26
Figure 6-14.
Hydraulic Cylinder, Fittings, and Hoses .............................................. 6-28
