24v impact wrench
#1
12-09-2018, 07:11 PM
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24v impact wrench
https://drive.google.com/file/d/12OS1J2d5rkwEkXMryXXO7F9SbKKUAyln/view?usp=drivesdk
so I got the 24v impact wrench working now I just need to figure out how to charge it since the rest of the truck is 12v so other than unplugging the whole thing and plugging it in to charge I got no idea
Its wired
ground -battery+ -battery+ drill ground
so I got the 24v impact wrench working now I just need to figure out how to charge it since the rest of the truck is 12v so other than unplugging the whole thing and plugging it in to charge I got no idea
Its wired
ground -battery+ -battery+ drill ground
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12-09-2018, 07:22 PM
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12-09-2018, 07:27 PM
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#5
12-09-2018, 11:33 PM
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I think I see what the issue is here the impact wrench is run off of a hmmwv through the charging port so I put a second battery in to make a 24v outlet to run the impact wrench it's not battery powered I need to charge the second battery for the 24v outlet I just need to know how to wire it up because putting 12v to the positive and a ground to the negative puts 24v to the entire electrical system and grounds out the main battery
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12-10-2018, 12:43 PM
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12-10-2018, 12:46 PM
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12-10-2018, 02:50 PM
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12-10-2018, 05:06 PM
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#13
12-10-2018, 08:05 PM
You really can’t, if you hook up two battery’s as a 24v system, the alternator and fuse links will be cooked. If you wired the 2 battery’s as 12v to charge, then disconnect all of the cables when you want to use the impact. You would have to make a jumper that would go from the + on one to the - on the other battery, hook up the plug to the other + and -. Don’t try to hook the + of the second battery to the - of the truck battery without first removing the cables as it looks like in one of the pictures. If you do all of that and get it to work, just don’t wear down the battery so much your truck won’t start.
#14
12-10-2018, 08:25 PM
#15
12-10-2018, 09:50 PM
That plug is for a NATO spec slave cable (jumper cables) outlet. It is not exclusive to HMMWVs. It is used on all American military vehicles and some generators as well as for British, French, German, etc. equipment.
I have never seen a 24V impact wrench in the Army system. I have not been in the maintenance section for a few years now though. That said, there were several times back in the day that I WISH I had one, so it would not surprise me that someone finally built one. Based solely off appearance however, I would guess that it is civilian made and marketed to military. They don't design equipment to plug into the slave receptacle mainly because the outlet is built for full battery amperage with NO fuse of any kind, That can be anywhere from 1200 amps to up to about 4000 for some of the heavy equipment!
Finally, the answer given is correct- you need a 24V alternator. Wiring the batteries in series makes the system 24V and you can't charge the batteries individually with 12V while they are hooked up. Years ago, they had Chevy Blazers that had been upgraded to the 24V system for military use. Rather than convert all of the gauges, etc. they had a step down transformer for all of the remaining 12V stuff. Might work if you were that inclined to try to use this thing, but I don't think you would be able to step down with high enough amperage to run the starter so you would be looking for a 24V starter as well. Too much work IMO for a tool that is now available from most major tool brands in a cordless form.
I have never seen a 24V impact wrench in the Army system. I have not been in the maintenance section for a few years now though. That said, there were several times back in the day that I WISH I had one, so it would not surprise me that someone finally built one. Based solely off appearance however, I would guess that it is civilian made and marketed to military. They don't design equipment to plug into the slave receptacle mainly because the outlet is built for full battery amperage with NO fuse of any kind, That can be anywhere from 1200 amps to up to about 4000 for some of the heavy equipment!
Finally, the answer given is correct- you need a 24V alternator. Wiring the batteries in series makes the system 24V and you can't charge the batteries individually with 12V while they are hooked up. Years ago, they had Chevy Blazers that had been upgraded to the 24V system for military use. Rather than convert all of the gauges, etc. they had a step down transformer for all of the remaining 12V stuff. Might work if you were that inclined to try to use this thing, but I don't think you would be able to step down with high enough amperage to run the starter so you would be looking for a 24V starter as well. Too much work IMO for a tool that is now available from most major tool brands in a cordless form.