SERVICE MANUAL ENGLISHRS 501 33019746(2)2010-03 1GENERAL INFORMATION .............................................................................................................................................. 5MACHINE LIFTING ......................................................................................................................................................................... 5MACHINE TRANSPORT ................................................................................................................................................................. 5PUSHING OR TOWING THE MACHINE ......................................................................................................................................... 5OTHER AVAILABLE MANUALS ...................................................................................................................................................... 5SAFETY ........................................................................................................................................................................................... 5GENERAL SAFETY INSTRUCTIONS ............................................................................................................................................. 6TECHNICAL DATA........................................................................................................................................................................... 8ENVIRONMENTAL CONDITIONS ................................................................................................................................................. 10MAINTENANCE ..............................................................................................................................................................................11SCHEDULED MAINTENANCE TABLE ..........................................................................................................................................11MACHINE NOMENCLATURE ....................................................................................................................................................... 13SWEEPING SYSTEM .................................................................................................................................................... 19DESCRIPTION .............................................................................................................................................................................. 19TROUBLESHOOTING ................................................................................................................................................................... 20SIDE BROOM POSITION CHECK AND ADJUSTMENT ............................................................................................................... 21BROOM REPLACEMENT ............................................................................................................................................................. 23BROOM SPEED ADJUSTMENT ................................................................................................................................................... 24DUST AND DEBRIS COLLECTION SYSTEM .............................................................................................................. 25DESCRIPTION .............................................................................................................................................................................. 25TROUBLESHOOTING ................................................................................................................................................................... 27HOPPER, FILTER AND SUCTION HOSE CLEANING, AND GASKET CHECK ........................................................................... 28SUCTION INLET AND SKIRT HEIGHT AND OPERATION CHECK ............................................................................................. 30SUCTION INLET WHEEL DISASSEMBLY/ASSEMBLY................................................................................................................ 32SUCTION INLET SLIDING PANELS DISASSEMBLY/ASSEMBLY ............................................................................................... 33SUCTION INLET DISASSEMBLY/ASSEMBLY ............................................................................................................................. 34SKIRT GASKET REPLACEMENT ................................................................................................................................................. 35HOPPER POSITION ADJUSTMENT............................................................................................................................................. 36HOPPER DOOR CLOSING ACTUATOR ADJUSTMENT ............................................................................................................. 38MOTOR AND SUCTION FAN DISASSEMBLY/ASSEMBLY .......................................................................................................... 40SUCTION HOSE DISASSEMBLY/ASSEMBLY ............................................................................................................................. 42WATER SYSTEM ........................................................................................................................................................... 43DESCRIPTION .............................................................................................................................................................................. 43TROUBLESHOOTING ................................................................................................................................................................... 44HIGH PRESSURE PUMP REMOVAL/INSTALLATION ................................................................................................................. 45HIGH-PRESSURE PUMP SAFETY SOLENOID VALVE DISASSEMBLY/ASSEMBLY ................................................................. 46WATER LEVEL SENSOR DISASSEMBLY/ASSEMBLY ................................................................................................................ 47NOZZLE AND FILTER CLEANING ................................................................................................................................................ 48WATER FILTER CLEANING .......................................................................................................................................................... 50WATER TANK EMPTYING ............................................................................................................................................................ 50TABLE OF CONTENTS