Restoring of generator / starter has a lot of nuances and can’t be carried out on the universal service stations. That repair is made by specialized workshops. This is due not only to the specialization of work, but also the presence of the necessary equipment (testers, displays, special tools), qualified staff and the availability of spare parts. Stands for testing of starters / generators under load are quite expensive, so they can only afford to support a large continuous-feed in this area. Often the majority of components needed to restore the unit are on-site, in addition, there is an exchange fund.
Restoration of starters and alternators is full dismantling parts, clean it up, replacing the individual elements and reverse mounting. Restoring also includes a complete electronic diagnostic coils, rotors and stators. Such details as bushings, bearings, brushes, springs, insulating gaskets, bolts and other contacts must be replaced.