ENGLISH
SERVICE MANUAL
2
9097065000(2)2009-06
Razor™ 20 / 20T
TABLE OF CONTENTS
GENERAL INFORMATION ......................................................................................................................................... 4
CONVENTIONS ..................................................................................................................................................... 4
MACHINE LIFTING ................................................................................................................................................ 4
MACHINE TRANSPORTATION ............................................................................................................................. 4
OTHER REFERENCE MANUALS ......................................................................................................................... 4
SAFETY ................................................................................................................................................................. 5
SYMBOLS .............................................................................................................................................................. 5
GENERAL INSTRUCTIONS .................................................................................................................................. 5
TECHNICAL DATA ................................................................................................................................................ 7
DIMENSIONS MACHINE ....................................................................................................................................... 8
MAINTENANCE ..................................................................................................................................................... 9
SCHEDULED MAINTENANCE TABLE ................................................................................................................. 9
MACHINE NOMENCLATURE ............................................................................................................................. 10
SOLUTION/CLEAN WATER SUPPLY SYSTEM ...................................................................................................... 13
SOLUTION/CLEAN WATER TANK AND SUPPLY SYSTEM CLEANING ............................................................ 13
SOLUTION FILTER CLEANING .......................................................................................................................... 13
SOLENOID VALVE DISASSEMBLY/ASSEMBLY ................................................................................................ 14
TROUBLESHOOTING ......................................................................................................................................... 14
BRUSHING SYSTEM ................................................................................................................................................ 15
BRUSH/PAD CLEANING ..................................................................................................................................... 15
BRUSH/PAD-HOLDER/CYLINDRICAL BRUSH DECK DISASSEMBLY/ASSEMBLY ........................................ 15
BRUSH MOTOR ELECTRICAL INPUT CHECK .................................................................................................. 16
BRUSH MOTOR CARBON BRUSH CHECK/REPLACEMENT .......................................................................... 18
BRUSH MOTOR DISASSEMBLY/ASSEMBLY .................................................................................................... 18
BRUSH ENABLING MIVROSWITCH ADJUSTMENT/REPLACMENT (For Razor™ 20T) .................................. 19
TROUBLESHOOTING ......................................................................................................................................... 20
RECOVERY WATER SYSTEM ................................................................................................................................. 21
RECOVERY WATER TANK AND VACUUM GRID CLEANING, AND COVER GASKET CHECK ....................... 21
SQUEEGEE CLEANING/CHECK/REPLACEMENT AND SQUEEGEE BLADE REPLACEMENT ...................... 22
VACUUM SYSTEM MOTOR FILTER CLEANING ............................................................................................... 23
VACUUM SYSTEM MOTOR ELECTRICAL INPUT CHECK ................................................................................ 23
VACUUM SYSTEM MOTOR CARBON BRUSH CHECK/REPLACEMENT ........................................................ 24
VACUUM SYSTEM MOTOR DISASSEMBLY/ASSEMBLY .................................................................................. 25
SQUEEGEE SPRING CHECK/REPLACEMENT ................................................................................................. 26
TROUBLESHOOTING ......................................................................................................................................... 27
DRIVE SYSTEM ........................................................................................................................................................ 28
TRACTION ENABLING MICROSWITCH ADJUSTMENT/REPLACEMENT (For Razor™ 20T).......................... 28
MAXIMUM SPEED POTENTIOMETER DISASSEMBLY/ASSEMBLY(For Razor™ 20T) ................................... 29
DRIVE SYSTEM MOTOR ELECTRICAL INPUT CHECK (For Razor™ 20T) ...................................................... 30
DRIVE SYSTEM MOTOR CARBON BRUSH CHECK AND REPLACEMENT (For Razor™ 20T) ...................... 31
DRIVE SYSTEM MOTOR-DIFFERENTIAL DISASSEMBLY/ASSEMBLY (For Razor™ 20T) ............................. 32
TROUBLESHOOTING (For Razor™ 20T) ........................................................................................................... 33
DRIVE SYSTEM ELECTRONIC BOARD DIAGNOSTIC TABLE (For Razor™ 20T) ........................................... 34