
TABLE OF CONTENTS
NOTES.......................................................................................................................................................................................... 2
FOREWORD ................................................................................................................................................................................ 3
TABLE OF CONTENTS............................................................................................................................................................... 4
INDEX OF FIGURES.................................................................................................................................................................... 5
SECTION 1 | SAFETY .................................................................................................................................................................. 6
1.1 | SAFETY SYMBOLS.......................................................................................................................................................................... 6
1.2 | GENERAL RULES AND PRECAUTIONS.................................................................................................................................. 6
1.3 | SAFETY GUIDELINES.................................................................................................................................................................... 7
SECTION 2 | MAINTENANCE ................................................................................................................................................... 8
2.1 | BATTERY MAINTENANCE ........................................................................................................................................................... 8
2.2 | CHARGING THE BATTERY......................................................................................................................................................... 8
2.3 | LUBRICATION.............................................................................................................................................................................. 10
2.4 | COMPONENTS REQUIRING ADJUSTMENT ...................................................................................................................... 10
2.5 | EXAMINATION, REPAIR, REPLACEMENT OF LIMITED LIFE COMPONENTS ............................................................. 10
2.6 | SAFETY DEVICES AND SYSTEMS REQUIRING CHECKS ................................................................................................. 10
2.7 | STORAGE ..................................................................................................................................................................................... 10
2.8 | MAJOR ALTERATIONS OR REPAIRS ..................................................................................................................................... 10
SECTION 3 | MAINTENANCE CHECKLISTS ..........................................................................................................................11
3.1 | PRESTART INSPECTION CHECKLIST................................................................................................................................... 12
3.2 | PREDELIVERY/ANNUAL/FREQUENT INSPECTION CHECKLIST.................................................................................. 13
SECTION 4 | TECHNICAL REFERENCES .............................................................................................................................. 14
4.1 | HYDRAULIC SCHEMATIC ......................................................................................................................................................... 14
4.2 | ELECTRICAL SCHEMATIC ....................................................................................................................................................... 16
4.3 | CONTROL BOARD DIAGNOSTIC.......................................................................................................................................... 18
SECTION 5 | WIRING DIAGRAMS..........................................................................................................................................20
5.1 | WIRING DIAGRAM .....................................................................................................................................................................20
5.2 | LOWER CONTROLS WIRING DIAGRAM ..............................................................................................................................22
5.3 | UPPER CONTROLS WIRING DIAGRAM................................................................................................................................24
SECTION 6 | TROUBLESHOOTING FLOWCHARTS ...........................................................................................................26
6.1 | MAIN POWER/SAFETY CIRCUIT.............................................................................................................................................26
6.2 | DRIVE CIRCUIT...........................................................................................................................................................................28
6.3 | ELEVATE CIRCUIT ......................................................................................................................................................................30
6.4 | LOWER CIRCUIT.........................................................................................................................................................................32
SECTION 7 | PARTS DIAGRAMS.............................................................................................................................................34
7.1 | SAFETY AND CONTROL DECALS..........................................................................................................................................34
7.2 | MAIN POWER/SAFETY CIRCUIT .............................................................................................................................................35
7.3 | DRIVE CIRCUIT............................................................................................................................................................................39
7.4 | COVERS.........................................................................................................................................................................................50
7.5 | RAILINGS....................................................................................................................................................................................... 51
SECTION 8 | WARRANTY........................................................................................................................................................ 52
NOTES........................................................................................................................................................................................54
B Y C U S TO M EQUIPMENT LLC
MAINTENANCE & TROUBLESHOOTING
HB-830/HB-1230
SUPO-658
REV A
4