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How Do I Run a 12 volt switch in nozzle?
#755864 Tue Oct 13 2020 06:37 AM
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Hello Folks,

I recently purchased one of Kevin Frith's kits to use a 110V motor to operate my Veeder Root computer. I'd like to operate it with a 12V switch in the pump nozzle. I'm new to petroliana and this is my first pump restoration. If anyone could tell me how to do it and/or where to source the needed parts It would be most appreciated!

Thank You

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Re: How Do I Run a 12 volt switch in nozzle?
Bloodhound1958 #755893 Tue Oct 13 2020 03:58 PM
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Why install the switch in the nozzle? Why not install switch in the nozzle rest so it activates when the nozzle is removed?


Jeff
Re: How Do I Run a 12 volt switch in nozzle?
Bloodhound1958 #755894 Tue Oct 13 2020 04:31 PM
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I've seen people run the motor when the nozzle handle is squeezed, they had installed a push button switch that the lever pressed when squeezed


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Re: How Do I Run a 12 volt switch in nozzle?
Bloodhound1958 #755918 Wed Oct 14 2020 04:46 AM
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I'd prefer to install a push button switch that is activated when the nozzle handle is squeezed. I'm just worried about running 110 into the nozzle which is why I'm hoping a 12V switch can be used. Problem is I don't know how to pull it off... smile Sadly I'm not an electrician.

Re: How Do I Run a 12 volt switch in nozzle?
Bloodhound1958 #755921 Wed Oct 14 2020 07:02 AM
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This would require a relay... I've never done this but it shouldn't be too complicated.

TOB

Re: How Do I Run a 12 volt switch in nozzle?
Bloodhound1958 #755986 Thu Oct 15 2020 03:48 PM
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Find a power supply that puts out 12v. You could use an old wall adapter for a kid's toy, an old battery charger, or anything that puts out 12v. Don't worry about milliamps, you're only driving a relay, and they have almost no draw. These things are everywhere, thrift shops, garage sales, ect. Get an outlet and box with cover plate and use sheet metal screws to attach it to the frame of the pump. Connect line voltage to the outlet, install wall cover on outlet. Plug in wall adapter. You now have 12VDC inside the pump. Find a 12V relay rated for 120v output. Wire one side of the coil wiring to one wire from the adapter. Run a double strand wire through the hose to the nozzle. Connect both wires to your switch. Back in the pump connect one wire to the leftover wire from the adapter to the nozzle wire. Connect the other wire from the nozzle to the other coil lug on the relay. Connect 120v hot wire from your line into the pump to the normally open POSTof the relay. Connect the wire to the motor to the POLE of the relay.

Re: How Do I Run a 12 volt switch in nozzle?
Bloodhound1958 #756052 Sat Oct 17 2020 04:42 AM
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Thanks for the information Tob and Mike618b. That detailed explanation is greatly appreciated! Now I know what I need and how to make the connections. Thanks a million! smile

Re: How Do I Run a 12 volt switch in nozzle?
Bloodhound1958 #756084 Sat Oct 17 2020 06:50 PM
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Just make sure you make/break the hot not the ground side of the 120v...:-)


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