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RSK5001GP Rectifier Assembly Base
Part RSK5001GP: a rectifier assembly base for the diode bridge that feeds the alternator's main field.
About this part
In a brushless alternator the exciter produces AC on the rotor, and a set of diodes turns it into DC for the main field. A varistor across the bridge absorbs voltage spikes that would otherwise destroy the diodes.
When to replace it
- Low output voltage with the AVR at full excitation
- AVR failing repeatedly
- A shorted or open diode found on testing
- Burnt varistor after a surge
Before you order
Observe diode polarity (forward and reverse types) when fitting, and torque the terminals to avoid hot joints.
Not sure it is the right one? A photo of the old part and the nameplate of the machine it came off is usually all the counter needs to confirm a match.
Questions
How do I test a rotating diode?
Disconnect it and check it with a multimeter on diode test: it should conduct in one direction only. Replace any that read short or open both ways.
Specifications
| Part number | RSK5001GP |
|---|---|
| Brand | IEP Power Products |
| Range | Rectifiers, Diodes & Varistors |
Not sure it fits?
Send us the number on your old part, or a photo with the engine or alternator nameplate, and we'll confirm the match.
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