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Caterpillar 22 - Bosch RJF generator


Today I started working on my Cat 22, which has been sitting for a few years since the blade on it broke down.

It has a 6 volt Bosch RJF battery-less generator on it. The trouble is the cover has been broken off and the cutoff relay has been exposed for years. I don't know where to start looking for parts, and have been unable to find much about this generator.

Where can I go for old Bosch parts?

Also, how was this generator wired up? I'd look at my parts manual, but I'm darned if I knew where it is.