
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.............................................................................................................................................................................. 12
2.4 | COMPONENTS REQUIRING ADJUSTMENT ...................................................................................................................... 12
2.5 | EXAMINATION, REPAIR, REPLACEMENT OF LIMITED LIFE COMPONENTS ............................................................. 12
2.6 | SAFETY DEVICES AND SYSTEMS REQUIRING CHECKS ................................................................................................. 12
2.7 | STORAGE ..................................................................................................................................................................................... 12
2.8 | MAJOR ALTERATIONS OR REPAIRS...................................................................................................................................... 12
SECTION 3 | MAINTENANCE CHECKLISTS ......................................................................................................................... 15
3.1 | PRESTART INSPECTION CHECKLIST................................................................................................................................... 16
3.2 | PREDELIVERY/ANNUAL/FREQUENT INSPECTION CHECKLIST...................................................................................17
SECTION 4 | TECHNICAL REFERENCES .............................................................................................................................. 18
4.1 | HYDRAULIC SCHEMATIC ......................................................................................................................................................... 18
4.2 | ELECTRICAL SCHEMATIC .......................................................................................................................................................20
4.3 | CONTROL BOARD DIAGNOSTIC..........................................................................................................................................22
SECTION 5 | WIRING DIAGRAMS..........................................................................................................................................24
5.1 | WIRING DIAGRAM .....................................................................................................................................................................24
5.2 | LWR CTL WIRING DIAGRAM ...................................................................................................................................................26
5.3 | UPPER CONTROLS WIRING DIAGRAM................................................................................................................................28
SECTION 6 | TROUBLESHOOTING FLOWCHARTS ...........................................................................................................30
6.1 | MAIN POWER/SAFETY CIRCUIT.............................................................................................................................................30
6.2 | DRIVE CIRCUIT...........................................................................................................................................................................32
6.3 | ELEVATE CIRCUIT ......................................................................................................................................................................34
6.4 | LOWER CIRCUIT.........................................................................................................................................................................36
SECTION 7 | PARTS..................................................................................................................................................................38
SECTION 8 | WARRANTY........................................................................................................................................................40
SECTION 9 | INSPECTION AND REPAIR LOG .....................................................................................................................42
B Y C U S TO M EQUIPMENT LLC
4
MAINTENANCE & TROUBLESHOOTING
HB-1230
SUPO-729
REV B