Inspection of motor parts

All parts

Clean all parts before inspection.

Bearings

Make sure that the bearings are free from damages and runs smoothly.

End plates

• Make sure that the end plates surfaces are not scratched or damaged.

• Do a flatness test of the end plates surfaces. If they are visibly worn or deformed, polish with fine grinding paste against a surface plate and then clean thoroughly.

Rotor

Make sure:

• that the end faces have no marks or burrs

• that the splines are not worn or cracked

• that the plug holes have no cracks.

Cylinder

• Make sure that the bore is not scratched or damaged.

• If the end surfaces are rough, polish with fine grinding paste against a surface plate and then clean thoroughly.