Nilfisk-Advance Advance SC400 Service Manual

Also see for Advance SC400: Operating guide Operating guidelines Instructions for use

Nilfisk-Advance Advance SC400 Service Manual Manual pdf 54 page image

Scrub System, Disc54Service Manual – SC400Removal and InstallationBrush Motor Amperage CheckAABEDCP200061Warning! This procedure must beperformed by qualifiedpersonnel only.1 Remove the brush2 Remove the screws (A), then remove theelectrical component box cover (B)Warning! Do not touch uncoveredelectrical components whileperforming the followingsteps.3 Apply the Amp clamp (C) on the electrical cable(D) of the brush motor on the electromagneticswitch output (E)4 Turn on the brush (as shown in the UserManual) and check that the brush motoramperage is between 3 and 4 A at 24 VStop the brush rotationTurn the machine program selection knob to “0”Remove the Amp clamp (C)If the amperage is higher, perform the followingprocedures to detect and correct the abnormalamperage:• Check that the brush hub is free from foreignmaterials (ropes, dirt, ...) preventing it fromturning• Check that the brush motor fuse (F1) is prop-erly tightened• Check the condition of the brush motor car-bon brushes• Remove the brush motor (see the procedurein the Brush Motor Disassembly/Assemblyparagraph), and check the condition of all itscomponentsIf the above-mentioned procedures do notproduce the correct readings for the brush motoramperage, the motor must be replaced (see theprocedure in the Brush Motor Disassembly/Assembly paragraph)Reassembly5 Assemble the components in the reverse order ofdisassembly