Nilfisk-Advance CMAX 28/34ST Service Manual

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Nilfisk-Advance CMAX 28/34ST Service Manual Manual pdf 2 page image

FORM NO. 56043071 CMAX™ 28/34ST / I-MAX™ 28/32C, BA 750/850ST, BA 750C - 1GENERAL INFORMATION .................................................................................................................................................. 2SAFETY INSTRUCTIONS .................................................................................................................................................. 3SPECIFICATIONS & MAINTENANCE ............................................................................................................................. 4-6PM CHECKLIST ............................................................................................................................................................... 7-8KNOW YOUR MACHINE ............................................................................................................................................... 9-13SOLUTION SYSTEM ................................................................................................................................................... 14-19FUNCTIONAL OVERVIEW .............................................................................................................................................. 14CIRCUIT OVERVIEW SOLUTION AUTO MODE ............................................................................................................ 15SOLUTION SYSTEM MAINTENANCE ............................................................................................................................ 16TROUBLESHOOTING GUIDE ................................................................................................................................... 16-17SOLUTION SOLENOID VALVE REMOVAL .................................................................................................................... 18SOLUTION VALVE DISASSEMBLY AND CLEANING .................................................................................................... 18SOLUTION FILTER REMOVAL ....................................................................................................................................... 18SOLUTION FLOW CONTROL VALVE REMOVAL .......................................................................................................... 18SCRUB BRUSH SYSTEM ............................................................................................................................................ 20-32GENERAL BRUSH SYSTEM FUNCTIONAL OVERVIEW ............................................................................................... 20SPECIAL SCRUB SYSTEM FUNCTIONS ................................................................................................................. 20-21SCRUB BRUSH SYSTEM TROUBLESHOOTING .................................................................................................... 22-26SCRUB BRUSH DECK REMOVAL (DISC) ...................................................................................................................... 27SCRUB BRUSH LIFT ACTUATOR REMOVAL (DISC) .................................................................................................... 27SCRUB BRUSH MOTOR/GEARBOX REMOVAL (DISC) ................................................................................................ 27SCRUB BRUSH DECK ASSEMBLY REMOVAL (CYLINDRICAL) .................................................................................. 30SCRUB BRUSH MOTOR(S) REMOVAL (CYLINDRICAL) .............................................................................................. 30SCRUB BRUSH BELT REPLACEMENT (CYLINDRICAL) .............................................................................................. 30SCRUB BRUSH SYSTEM MAINTENANCE (CYLINDRICAL) ......................................................................................... 30SCRUB BRUSH REMOVAL AND INSTALLATION (CYLINDRICAL) .............................................................................. 30SCRUB BRUSH LIFT ACTUATOR REMOVAL (CYLINDRICAL) .............................................................................. 30-31RECOVERY SYSTEM .................................................................................................................................................. 33-39FUNCTIONAL OVERVIEW ........................................................................................................................................ 33-34VACUUM/RECOVERY SYSTEM MAINTENANCE CHECKLIST ..................................................................................... 35TROUBLESHOOTING GUIDE ................................................................................................................................... 35-37MAINTENANCE OF FLOAT CAGE AND FLOAT DUCT ................................................................................................. 38VACUUM MOTOR REMOVAL ......................................................................................................................................... 38RECOVERY TANK REMOVAL ........................................................................................................................................ 38SQUEEGEE SYSTEM .................................................................................................................................................. 40-41SQUEEGEE LIFT LINKAGE ADJUSTMENT ................................................................................................................... 40SQUEEGEE TOOL BLADE(S) REPLACEMENT ............................................................................................................. 40SQUEEGEE ADJUSTMENT ............................................................................................................................................ 40WHEEL DRIVE SYSTEM ............................................................................................................................................. 42-51GENERAL FUNCTIONAL OVERVIEW ............................................................................................................................ 42TROUBLESHOOTING GUIDE ................................................................................................................................... 43-45DRIVE MOTOR REMOVAL (ALL MODELS) .................................................................................................................... 47DRIVE WHEEL REMOVAL (CYLINDRICAL) ................................................................................................................... 47DRIVE WHEEL REMOVAL (DISC) .................................................................................................................................. 48CHAIN MAINTENANCE, REMOVAL AND ADJUSTMENT ........................................................................................ 48-49OPTIONAL PARKING BRAKE OPERATION ................................................................................................................... 49OPTIONAL BRAKE ASSEMBLY REMOVAL / CALIPER ADJUSTMENT ........................................................................ 49POTENTIOMETER (5K) TESTING AND REMOVAL ....................................................................................................... 50POTENTIOMETER INSTALLATION AND ADJUSTMENT ........................................................................................ 50-51POTENTIOMETER (25K) WHEEL DRIVE SPEED LIMIT TESTING ............................................................................... 51ELECTRICAL SYSTEM ................................................................................................................................................ 52-65BATTERIES / CHARGERS .............................................................................................................................................. 52DESCRIPTION OF LOW VOLTAGE CUTOUT FEATURE .............................................................................................. 52DESCRIPTION OF THE BATTERY CONDITION INDICATORS ..................................................................................... 53BATTERY CHARGING, MAINTENANCE AND TESTING ......................................................................................... 53-54ACTUATOR DRIVE NUT ADJUSTMENT .................................................................................................................. 54-55FUNCTIONAL OVERVIEW OF MAIN CONTROL BOARD .............................................................................................. 56DESCRIPTION OF CONTROL PANEL SYSTEM OVERLOAD INDICATORS ................................................................ 56MAIN CONTROLLER DIAGNOSTIC SERVICE TEST MODE ................................................................................... 57-59MAIN CONTROL BOARD SPECIAL PROGRAM OPTIONS ..................................................................................... 60-62ELECTRICAL COMPONENT LOCATION ........................................................................................................................ 63WIRING DIAGRAM .......................................................................................................................................................... 64WIRING SCHEMATIC ...................................................................................................................................................... 65Note: All references to right, left, front, or rear in this manual are as seen from the operator’s stand-point.TABLE OF CONTENTS