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 | PRE-START INSPECTION CHECKLIST ................................................................................................................................... 12
3.2 | PRE-DELIVERY/ANNUAL/FREQUENT INSPECTION CHECKLIST .................................................................................. 13
SECTION 4 | TECHNICAL REFERENCES .............................................................................................................................. 14
4.1 | HYDRAULIC SCHEMATIC ......................................................................................................................................................... 14
4.2 | ELECTRICAL SCHEMATIC WS-129-20-201-50 .................................................................................................................. 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 .................................................................................................................................................................34
SECTION 8 | WARRANTY ........................................................................................................................................................ 36
NOTES ........................................................................................................................................................................................ 38
MAINTENANCE & TROUBLESHOOTING
HB-1230
SUPO-678
REV B
4
INDEX OF FIGURES
FIGURE 1: Maintenance Lock Use ........................................................................................................................................................ 7
FIGURE 2: Maintenance Lock Storage ............................................................................................................................................... 7
FIGURE 3: Battery Charger LED Display .............................................................................................................................................. 9
MAINTENANCE & TROUBLESHOOTING
HB-1230
SUPO-678
REV B
5
