Rebuilt and tested Siba armature ready to fit. This part will be supplied with test data for insulation and the commutator surface has minimum wear. These parts are now quite rare and must be fitted with great care especially to ensure that the retaining nut is fully tightened to the correct torque. Stator unit must be fully tested with brushes correctly fitted and insulated from ground. Failure to do this may cause irreparable damage to this replacement armature. Free technical advice is available to prospective purchasers and we offer help with correct installation.