Nilfisk-Advance SC6000 36C Service Manual

Also see for SC6000 1050D: Instructions for use

Contents

Nilfisk-Advance SC6000 36C Service Manual Manual pdf 128 page image

128Service Manual – SC6000 40 - Recovery SystemTroubleshootingWhenever there is a vacuum problem, it’s best to check over the entire system Use the checklist below as aguide to thoroughly check the vacuum system• Inspect the vacuum motor inlet screen and clean any built-up debris from the screen• Clean built-up dirt from the inside of the squeegee assembly• Replace the squeegee blades if they are nicked or torn• Inspect the hose between the squeegee and the recovery tank and rinse any built-up dirt from the hoseReplace the hose if it is kinked or damaged• Inspect and make sure the gasket on the recovery tank cover is sealing and not damaged• Make sure that the recovery tank drain hose cap seals airtightProblem Cause CorrectionNo suction Vacuum motor not running • Check the vacuum motor power connectorPoor suction Unknown:Leak versus ClogTo determine whether the problem is a leak versusa clog, remove the suction hose from the squeegeeand completely block the hose with your hand andobserve the suction. Then tilt your hand to allow freeairflow, and observe the speed of the airflow pastyour hand.Alternatively, you may complete the Vacuum SuctionTest described on page 129.• Strong suction when blocked and weak airflowwhen unblocked indicates a clog.• Weak suction when blocked, but strong airflowwhen unblocked indicates a leak.• Weak suction and weak airflow indicate either amassive leak, or a failing vacuum motor.Clogged vacuum • Inspect and clean the vacuum motor inlet filter• Inspect the suction hose between the squeegeeand the recovery tank• Inspect and clean the squeegeeVacuum leaks • Inspect the gasket on the recovery tank cover• Inspect the suction hose between the squeegeetool and recovery tank for loose connection, holes,or damage• Inspect the squeegee blades for nicks, cuts, anddamage• Inspect the recovery tank drain hose and cap forleaks• Inspect the vacuum motor mount for leaks