TROUBLESHOOTING .........................................................................................................................................................44
ENGINE TROUBLESHOOTING ............................................................................................................................................ 45
ENGINE HARD TO START, WILL NOT START ............................................................................................................... 45
ENGINE KNOCKS .................................................................................................................................................................. 45
ENGINE RUNS IRREGULARLY OR STALLS FREQUENTLY .......................................................................................... 46
BELOW NORMAL ENGINE TEMPERATURE .................................................................................................................... 46
LACK OF ENGINE POWER ................................................................................................................................................. 46
ENGINE OVERHEATS .......................................................................................................................................................... 47
HIGH OIL CONSUMPTION .................................................................................................................................................. 47
LOW ENGINE OIL PRESSURE ............................................................................................................................................ 47
HIGH FUEL CONSUMPTION ............................................................................................................................................... 48
DIESEL ENGINE EMITS BLACK OR GREY EXHAUST SMOKE .................................................................................... 48
DIESEL ENGINE EMITS WHITE SMOKE .......................................................................................................................... 48
BATTERY WILL NOT CHARGE .......................................................................................................................................... 49
STARTER INOPERATIVE .................................................................................................................................................... 49
STARTER CRANKS SLOWLY .............................................................................................................................................. 49
ENTIRE HYDRAULIC SYSTEM FAILS TO FUNCTION .................................................................................................. 49
HYDRAULIC OIL OVERHEATS .......................................................................................................................................... 49
MAST TROUBLESHOOTING GUIDE ...............................................................................................................................50
MAST SAFETY PRECAUTIONS .......................................................................................................................................... 51
PROBLEMS, CAUSES AND CORRECTIVE ACTIONS ..................................................................................................... 52
SCHEMATICS ......................................................................................................................................................................56
ELECTRICAL SCHEMATIC TRUCK ................................................................................................................................... 57
ELECTRICAL SCHEMATIC FOR OPERATOR CAB ......................................................................................................... 59
ELECTRICAL SCHEMATIC FOR ELECTRICAL BOX ...................................................................................................... 61
ELECTRICAL SCHEMATIC FOR COLUMN....................................................................................................................... 63
HYDRAULIC SCHEMATIC FOR TRACTION .................................................................................................................... 65
HYDRAULIC SCHEMATIC EXCLUDING TRACTION ...................................................................................................... 67
Bright Forklift
BD3–7570
Table of Contents
Phone (936) 564-8378 & ask for Parts to Order
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