teacherman
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Water pump
Jul 15, 2015 17:22:42 GMT -8
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Post by teacherman on Jul 15, 2015 17:22:42 GMT -8
I'm trying to piece back together my project. The PO took most everything out and clipped wires. Does the water pump run on 12v or 110?
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Ten
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70 Shasta 16SC + 1964 Airflyte
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Post by Ten on Jul 15, 2015 18:07:51 GMT -8
Most likely, without seeing it, it would have run on 12-V.
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Post by vikx on Jul 15, 2015 22:16:52 GMT -8
Agree here, 12 volt. The black wire is USUALLY ground... Do you have a photo?
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bpmcgee
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Post by bpmcgee on Jul 16, 2015 7:14:55 GMT -8
Teacher,
If it's a 110 pump it won't be damaged by 12v, so it's safe to test by hooking up to a battery.
If it runs, but the wrong direction, it's a 12v pump but you have the wires switched.
B
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teacherman
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Water pump
Jul 16, 2015 12:03:24 GMT -8
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Post by teacherman on Jul 16, 2015 12:03:24 GMT -8
Teacher, If it's a 110 pump it won't be damaged by 12v, so it's safe to test by hooking up to a battery. If it runs, but the wrong direction, it's a 12v pump but you have the wires switched. B It was all taken apart when I got it and the PO was able to get a pump for it from another source. Would 110 ruin it if it's 12v?
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Ten
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70 Shasta 16SC + 1964 Airflyte
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Post by Ten on Jul 16, 2015 15:07:23 GMT -8
It will fry before you can unhook it from the power.
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bpmcgee
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Post by bpmcgee on Jul 17, 2015 5:49:02 GMT -8
Ten is correct. Test with 12v, not 110.
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Ten
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Post by Ten on Jul 17, 2015 6:15:20 GMT -8
Just spitballin' for you here...
Most of the trailers that were built in the era yours was, were built as much for "dry camping" as they were for "plugging in". Remember, we're talking 50 years ago, so the facilities were not set up like you would see today, for the most part. I'm guessing that yours had an onboard fresh water tank. Many others, like my '64 Airflyte, were equipped with a hand-pump faucet. The addition of the 12-V pumps seemed to come at a later time in the Shasta line. Your electric pump option may have come from the factory, or may have been an add-on by a prior owner at some time, but the premise was to supply water when no hookup was available. That is the reason I believe you are probably working with a 12-Volt pump. So far as testing the pump, 12-volt DC power will not hurt a 110-V AC motor, may not even make it hum. However, 110-v AC will fry the brushes, possibly welding them to the rotor, in an instant. Also, you want to run the pump an ABSOLUTE MINIMUM of time if it is dry. Running most pumps dry will overheat the impellers in the pump, as it is the flow of water that acts to cool the pump end.
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