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Proper Handling of Floating Stator Alternators

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Update time : 2020-06-08 15:53:59

Proper Handling of Floating Stator Alternators

Some original equipment alternator made in recent years feature a “floating stator” that is moreStator Alternators Know Your Parts sensitive to proper handling than previous designs. Previously, the stator — the set of windings that surround the rotor — in most alternator designs, is press-fitted or in a tight tolerance. In recent years, however, some manufacturers have chosen to center the stator in the alternator housing and simply clamp it in place, resulting in what is known as a floating stator.

The design works great, but it’s more sensitive to proper handling than previous designs with press fitted stators. If an alternator with a floating stator is subjected to undue shock during the shipping or installation process, the stator actually can “float” out of concentricity. This floating stator can result in a noisy alternator, an alternator that rubs internally, or even one that is locked up or won’t turn at all.

What to Look for When Working with Stator Alternators

How do you know? Look for a warning label on the alternator, alerting you to handle the alternator with care. Each Bosch remanufactured alternator, for instance, that features a floating stator comes with a quite obvious warning label. The warning label states, “Prying on the external housing for alignment or tensioning of drive belt and/or rough handling of the part will result in internal damage.” Keep your customers happy and avoid comebacks by using care to handle alternators with floating stators.


Tips from:https://www.knowyourparts.com