SERVICE MANUAL ENGLISHRazor Blade 26D / 28D / 28C 909 6510 000(3)2007-12 55DRIVE SYSTEMDRIVE SYSTEM MOTOR CARBON BRUSH CHECK AND REPLACEMENT (Machines after January2007)Check and replacementDrive the machine to the appointed disposal area, and empty the recovery water tank (58) with the hose (22).Empty the solution tank (59) with the tap (36).Place the machine on a hoisting system (if available).Otherwise, drive the machine on a level floor.Turn the ignition key (12) to "0".Carefully lift the tank assembly (60).Disconnect the battery connector (63).Remove the drive system motor carbon brush covers (A) (bayonet joint).Remove the gasket (B) and check them for integrity and efficiency; if necessary, replace them.Remove the screws (C), then remove the four carbon brushes (D).Check the carbon brushes (D) for wear. Replace the carbon brushes when: the contact with the motor armature is insufficient,the carbon brushes are worn, the carbon brush contact surface is not integral, the thrust spring is broken, etc.If necessary, replace the carbon brushes.ResetAssemble the components in the reverse order of disassembly.AAA ACDBDS3016461.2.3.4.5.6.7.8.9.10.11.
