ENGLISH
SERVICE MANUAL
2
909 6424 000(3)2007-12
BR 601 / BR 651 / BR 751 / BR 751 C
TABLE OF CONTENTS
PARKING BRAKE SYSTEM .......................................................................................................................................... 49
PARKING BRAKE CHECK ............................................................................................................................................................ 49
ELECTROMAGNETIC BRAKE DISASSEMBLY/ASSEMBLY (Machines up to January 2007) ..................................................... 50
ELECTROMAGNETIC BRAKE AND DISC WITH BRAKING MASSES DISASSEMBLY/ASSEMBLY
(Machines after January 2007) ...................................................................................................................................................... 52
TROUBLESHOOTING ................................................................................................................................................................... 54
DRIVE SYSTEM ............................................................................................................................................................. 55
DRIVING WHEEL COVER DISASSEMBLY/ASSEMBLY (Machines up to January 2007) ............................................................ 55
DRIVING WHEEL COVER DISASSEMBLY/ASSEMBLY (Machines after January 2007) ............................................................ 56
DRIVE SYSTEM MOTOR ELECTRICAL INPUT CHECK (Machines up to January 2007) ........................................................... 58
DRIVE SYSTEM MOTOR ELECTRICAL INPUT CHECK (Machines after January 2007)............................................................ 59
DRIVE SYSTEM MOTOR CARBON BRUSH CHECK AND REPLACEMENT (Machines up to January 2007) ........................... 60
DRIVE SYSTEM MOTOR CARBON BRUSH CHECK AND REPLACEMENT (Machines after January 2007) ............................ 61
DRIVE SYSTEM MOTOR SLIDING CONTACT CHECK AND REPLACEMENT (Machines after January 2007)......................... 62
DRIVE SYSTEM MOTOR DISASSEMBLY/ASSEMBLY (Machines up to January 2007) ............................................................. 64
DRIVE SYSTEM MOTOR, BEARING AND GASKET DISASSEMBLY/ASSEMBLY (Machines after January 2007) .................... 65
FORWARD/REVERSE GEAR PEDAL DISASSEMBLY/ASSEMBLY ............................................................................................ 68
FORWARD/REVERSE GEAR PEDAL POTENTIOMETER CHECK AND ADJUSTMENT ........................................................... 69
SPEED REDUCTION SENSOR CHECK/ADJUSTMENT ............................................................................................................. 70
SPEED REDUCTION SENSOR REPLACEMENT ........................................................................................................................ 71
DRIVER'S SEAT SAFETY MICROSWITCH OPERATION CHECK .............................................................................................. 73
DRIVER'S SEAT SAFETY MICROSWITCH REPLACEMENT ...................................................................................................... 73
TROUBLESHOOTING ................................................................................................................................................................... 76
OTHER SYSTEMS ......................................................................................................................................................... 76
SCREW AND NUT TIGHTENING CHECK .................................................................................................................................... 76
FRONT FAIRING DISASSEMBLY/ASSEMBLY ............................................................................................................................. 77
ELECTRICAL SYSTEM ................................................................................................................................................. 79
MACHINE WORKING HOUR CHECK .......................................................................................................................................... 79
HOUR COUNTER RESET PROCEDURE ..................................................................................................................................... 79
BATTERY MAINTENANCE AND RECHARGING .......................................................................................................................... 79
BATTERY DISASSEMBLY/ASSEMBLY ........................................................................................................................................ 79
FUSE CHECK/REPLACEMENT .................................................................................................................................................... 80
DRIVE SYSTEM ELECTRONIC BOARD REPLACEMENT .......................................................................................................... 81
FUNCTION ELECTRONIC BOARD REPLACEMENT .................................................................................................................. 82
DASHBOARD ELECTRONIC BOARD REPLACEMENT .............................................................................................................. 83
TROUBLESHOOTING ................................................................................................................................................................... 84
FUNCTION ELECTRONIC BOARD ERROR CODES .................................................................................................................. 84
COMPONENT LAYOUT ................................................................................................................................................................ 89
WIRING DIAGRAM ........................................................................................................................................................................ 92
