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Jump start 6 Volt

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Lee in NC

11-15-2006 03:54:41

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I have a 140. Still has a 6 volt system. Can you safely jump start it with a 12 volt battery or 12 volt battery power pack? Seems my dad reversed the cables years ago.

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gene bender

11-15-2006 11:15:19

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Re: Jump start 6 Volt in reply to Lee in NC, 11-15-2006 03:54:41

better unhock the wires off the starter so you dont blow the regulator and gen or else unhock the batt term on the gen cause you have to have volts to the dist to start.

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Janicholson

11-15-2006 06:45:15

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Re: Jump start 6 Volt in reply to Lee in NC, 11-15-2006 03:54:41

Use the 12v (either polarity) from a frame ground to the jumping battery and from the other terminal on the jumping battery to the starter side of the solenoid (NOT battery side). This will spin the starter directly without using the Key in the start position or start switch on the operators platform. The tractor ignition must be turned on. Be careful there will be sparks at the moment you touch the starter terminal, and the engine will crank instantly.
The polarity does not matter because the starter motor only turns one way regardless of polarity, and you are not mixing the two battery voltages at all. The tractor must have enough of its own battery power to provide spark to the ignition, but will not need to crank the starter. All other ways are much more dangerous because the 12v battery is instantly trying to over charge a 6v battery that may be defective, or discharged resulting in an explosion. Keep all sparks away from batteries so that hydrogen gas has no chance of being ignited. JimN

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Al L. in Wisc.

11-15-2006 05:36:25

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Re: Jump start 6 Volt in reply to Lee in NC, 11-15-2006 03:54:41

I went to the archives and found this:

Link

Be careful.

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Nebraska Cowman

11-15-2006 04:29:09

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Re: Jump start 6 Volt in reply to Lee in NC, 11-15-2006 03:54:41

No you don't reverse the cables and no you don't leave it hooked up very long but it can be done. Can't say how safe it is.

Even bad boys are just as good as they can be

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