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Old 04-30-2019, 05:43 PM   #1
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New alternator/starter for Perkins 7.5KW generator

My electrician has suggested to replace the existing starter/generator (15A) with a larger one, to have it as a backup. He installed a battery charger/combiner for my two battery banks, so they can be charged from the main engine's alternator (160A). He wants to have the generator's alternator as a backup charger. Anyone knows this old Perkins diesel generator and can suggest a new alternator for it?
See photos.
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Old 04-30-2019, 05:50 PM   #2
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Old 04-30-2019, 06:36 PM   #3
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If you have the generator running, just charge the battery with AC powered charger. No need for an alternator.
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Old 04-30-2019, 06:39 PM   #4
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Quote:
Originally Posted by Ski in NC View Post
If you have the generator running, just charge the battery with AC powered charger. No need for an alternator.
Understand. I do charge the batteries from the main engine, but I want to have an extra option (backup) from the generator for emergencies.
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Old 04-30-2019, 07:43 PM   #5
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What I think Ski means is that your generator is already producing 120V. Use a regular 120v charger on whatever 'emergency' that requires a charge. Leave the alternator as is to take care of the generator battery.
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