SEBO 120V Motor Assembly for the DISCO Floor Polisher

Supplied built up rather than as a box of loose components, part 3252ER is the complete 120V replacement motor for the SEBO DISCO floor polisher. SEBO lists it at position 17 on the machine's parts diagram. Ordering the assembly turns the job into an exchange instead of a rebuild, which is the difference between an afternoon and a specialist bench.

Motors give plenty of warning before they stop for good. A hot electrical smell after ten minutes of work, sparking visible through the vents, a howl or a grinding note that was not there last season, or a machine that cuts out partway through a job and restarts once it has cooled: any of those means the windings or the bearings are on their way out. By the time the symptoms are obvious, a fresh assembly is usually the honest fix rather than a repair. One thing worth checking first, because worn brushes mimic a failing motor closely, is the carbon brush set 05141S, which SEBO lists against this motor and which is a far smaller job.

• SEBO part number: 3252ER
• Fits: SEBO DISCO floor polisher
• Supply: 120V, North American
• Supplied as: complete motor assembly
• Diagram position: 17, SEBO DISCO parts list
• Replace when: there is sparking, burning smell, bearing noise or repeated thermal cut-out
• Related part numbers: 05141S carbon brush set, 3222 motor pulley, 3221 drive belt, 3242ER 120V printed circuit board

This repair involves mains wiring, so hand it to a qualified vacuum technician unless you are confident working on motors, and photograph the connections before anything is disturbed. Genuine SEBO, sold by an authorized dealer behind it. Orders for a SEBO DISCO motor ship in 2-5 business days.