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KL generator to alternator swap

Your old Chris-Craft electrical system can be a challenge. If it runs on "juice" pose your questions and offer your advice here.

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trebot
Posts: 38
Joined: Sun Mar 04, 2007 10:05 pm
Location: Lexington, Michigan
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KL generator to alternator swap

Post by trebot » Fri Aug 09, 2019 7:33 am

Whats involved in swapping 12 volt generator to an alternator on a KL motor? Any specific alternator? Thanks

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jim.eakin
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Joined: Sat Mar 30, 2019 7:56 pm
Location: South Orange County, CA

Re: KL generator to alternator swap

Post by jim.eakin » Fri Aug 09, 2019 5:37 pm

I bought the 12V alternator from Pat Crusse at Crussen Classics. Bolted right in. Single wire connection. Ammeter showed the battery charging.

The fasteners for the alternator pulley didn't seem right. The supplied nut was too thin and it had a really thick lock washer. Didn't engage many threads on the short shaft. So I bought an external-tooth lock washer online and a standard nut - M16-1.5. I installed the nut with a small 3/8" drive electric impact wrench. (Don't use a large, powerful 1/2" drive impact - ask me how I know.)

I think a serrated flange nut would be ideal, but I could only find it in M16-2.0.
1952 CC Riviera 18, KBL

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