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Generators In this forum we will try to answer any of your questions about the different model generators that can be found on Blue Bird coach's.

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  #111  
Old 06-27-2018
Nelson007 Nelson007 is offline
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Thanks Barry did not know that.
When I connected a new motor on the bench I only used 120vac. I wonder if one leg of the 220vac was not working making the fan not as fast as it should be?

Nelson

Quote:
Originally Posted by brhodes View Post
Your original squirrel cage fan should be 220V not 120V.
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  #112  
Old 06-27-2018
CaptPegLeg CaptPegLeg is offline
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The voltheads may correct me Nelson but if you check the wires there will be one ground and two wires with around the 120 volts each. If you reverse the hot wires to the motor it will reverse the direction of the motor. At least that’s what the instructions indicated on my recent replacement.
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  #113  
Old 06-27-2018
Nelson007 Nelson007 is offline
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Thanks Bob,
I am not putting the squirrel cage back in. I am going with a 12vdc fan.
Thanks,
Nelson
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  #114  
Old 06-27-2018
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Quote:
Originally Posted by CaptPegLeg View Post
The voltheads may correct me Nelson but if you check the wires there will be one ground and two wires with around the 120 volts each. If you reverse the hot wires to the motor it will reverse the direction of the motor. At least that’s what the instructions indicated on my recent replacement.
I don't think reversing the wires will reverse the motor. There is no polarity for AC, so no way of detecting difference. Usually there is some other wiring change that determines direction. But what do I know?
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  #115  
Old 06-27-2018
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SteelWheels

A Murphy switch is a generic term for the safety shutdown system.

Way back in the stone ages, on the farm where I grew up, we had several on water pumps or other motors that ran unmonitored. They were purely mechanical switches. Either the oil pressure falling or water temperature rising would cause the metal gauge needle to swing over and make contact with a ground post. This would cut the motor to prevent damage.
Nowadays, with modern computer controls, the Engine computer will cut the motor off.

Simple back in the day, the switch box could be bought and installed pretty easily on all kinds of equipment
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