SportsArt Fitness T611, Руководство по ремонту

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Inspecting and Measuring
Inspection point: T611 motor brushes
Inspection method: 1. Inspect motor brushes.
A. Inspect brush length. If brushes are shorter than 0.7mm, replace the brushes.
B. Inspect the brush surface. It should be smooth. If there are grooves, the commutator might be faulty.
C. Inspect whether brush copper wires have changed color. If so, replace the brushes.
4-3-1
Brush ends shown here have
scratches, a sign of irregular wear.
Replace brushes like these.
Brush length should exceed 0.7
mm. This image shows brushes
that are too short.
Motor brushes
Motor brushes
If copper wires have changed
color, connections are bad.
Replace the brushes.