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Old 02-20-2014, 10:54 AM   #1
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Replacing circuit breaker on a Onan 7500 generator

I broke the tab off on the generator circuit breaker the other day and it looks like a real problem to replace it. I guess the top cover can be taken off the generator and maybe move the coolant tank out of the way to gain access to the switch. Has anyone done it before? At least the breaker is broken in the on position, so if I don't "trip" anything I may be ok until I can do this. Thanks for any help. Also, what is a good source for onan parts. Steve

07 Tiffin Allegro Bus 42QRP
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Old 02-21-2014, 03:18 AM   #2
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Steve, actually its a very easy job. You can access the wiring for the breaker thru the rectangular service panel just above it. Once you remove that cover you will see the radiator cap and hose - just pull the hose and cap out slightly, there is a 1" plastic pin that holds the cap/hose assembly inside. Once the pin is cleared of it's mounting bracket, Then just push the cap/hose backwards down into the generator. Now you have room to reach the back of the breaker.

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Old 02-21-2014, 12:05 PM   #3
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Thanks for the reply. I was wondering if you could do something like that. I didn't want to have to take the top off the unit if I didn't have to. Too much crawling around for an old man! Now all I have to do is find one of those breakers. Steve
07 Tiffin Allegro Bus 42QRP
08 Dodge Dakota toad
Sea eagle 10.6 inflatable
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generator, onan

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