On the interior, inspect brushes for small objects; check squeegees for lint or hair and also rips or tears. Joints should be lubricated regularly — end users can ask their distributor or manufacturer for the appropriate lubricant.
It’s critical also to keep an eye on carbon brushes because if they deteriorate, it can ruin the machine’s engine. Finally, don’t put tension on cords or yank them out of sockets; also coil them up properly when done.
posted on 5/12/2010