Caterpillar VR6 — Exciter Field - Flash (Static Flashing)
Repair & overhaul
For the Caterpillar VR6, from the Caterpillar service manual.
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Before you start
- Do not flash permanent magnet pilot excited (PMPE) generators. Damage to the generator set can occur.
Procedure
- Stop the engine.
- At the voltage regulator, disconnect wire F1 GEN from terminal F1 and wire F2 GEN from terminal F2.
- Connect the positive cable of the 6 volt source to wire F1 GEN.
- Momentarily put the negative cable of the 6 volt source on wire F2 GEN two or three times.
- Do not hold the negative cable to wire F2 GEN for more than one or two seconds.
- Connect all wires that were previously disconnected.
Tools required
- 6 VDC Battery Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Source: Caterpillar 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.