Katolight — Field Flashing - Restoring Residual Magnetism
Maintenance · Exciter field
From a Katolight service manual covering: 280 -- 430 Frame, 280 frame, 360 frame, 430 frame. Check it applies to your exact model before use.
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Before you start
- Failure to remove the exciter field leads from the automatic voltage regulator during flashing may destroy the regulator.
- Batteries may explode when exposed to an electric arc.
Procedure
- Shutdown generator set. Remove exciter field leads F+ and F- from the regulator.
- Connect F+ and F- leads to the battery's positive and negative terminals using an appropriate length of lead wire.
- After 3 to 5 seconds, remove the F- lead; an inductive arc should result. If no arc, repeat.
- Reconnect F+ and F- leads to the regulator. Restart generator and verify terminal voltage develops.
Tools required
- 12 volt battery Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Apply 12 V battery for 3 to 5 seconds
Source: Katolight service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.