On Board Air Tank w/ Impact Wrench

[Nottajeep]

So, I am 2 weeks out from installing the new ARB high output compressor ARB On-Board High Performance 12 Volt Twin Air Compressor (CKMTA12) and I want to run a small impact wrench to change a tire and misc wrenching out on the trail or roadside.

ARB told me over the phone today that with a 1 gallon tank and this compressor they have used 1/2" impacts to change the big tundra wheels without a problem.

My thoughts are to use the VIAIR tanks VIAIR Corporation - Air Tanks as they are considerably less than ARB tank cost wise. I would love to squeeze by on a 1/2 gal tank under the hood, but may have to run a 1 gal to gain adequate air buildup capacity. I really don't want to tie up cargo space with the tank in the rear hatch area. Do not know if there is room under the frame somewhere. I have the slee skid plate to provide adequate protection if mounted under the LC frame area. Air hose connections may not be very convienient under the LC so still leaning toward the engine bay area.

Anyone done this? Thoughts?

 

[ntsaint]

Do you have sliders? I plumbed both of my sliders for use as tanks for my OBA system, works great...

 

[boydmick]

Or a small 1- 5 gallon (depending on shape and space available) can be plumbed to the area beteeen the frame and slider. Use the largest tank you can find space for - impact tools use a lot of air volume and I don't think the ARB compressor is rated for constant duty.

 

[spressomon]

With the aux tank occupying all the rear underneath space I only had room for a pair of 1-gallon tanks mounted to the frame. I got them from George at Outback air...he doesn't list them on his website but he has them if you call.

Each 1-gallon tank is about the size of a small to medium size fire extinguisher.

Ditto above if you can plumb into your sliders for air storage. Mo is betta

 

[petrotk40]

Get a bumper with tire swingout and stick it in you spare location

 

[hoser]

If you have a winch bumper and no plans to get a winch, you could fit a tank there.

 

[Nottajeep]

Or a small 1- 5 gallon (depending on shape and space available) can be plumbed to the area beteeen the frame and slider. Use the largest tank you can find space for - impact tools use a lot of air volume and I don't think the ARB compressor is rated for constant duty.

ARB tech tells me they tested the compressor with their 1 gal tank and can take off one big tundra wheel w/o stopping for the tank to refill. 5 gallon is huge and probably out of the question. I will probably be limited to 1 gal size, but maybe two 1 gal tanks

Do you have sliders? I plumbed both of my sliders for use as tanks for my OBA system, works great...

With the aux tank occupying all the rear underneath space I only had room for a pair of 1-gallon tanks mounted to the frame. I got them from George at Outback air...he doesn't list them on his website but he has them if you call.

Each 1-gallon tank is about the size of a small to medium size fire extinguisher.

Ditto above if you can plumb into your sliders for air storage. Mo is betta

Got pics? I will give them a call. Longer is better than width as I look at my slider space. Any high puncture risk in this area? Probably not, but worth the question if you have tested the location already.

Get a bumper with tire swingout and stick it in you spare location

Not a bad idea, but wonder if you can get it up the hundy's butt enough so that it will not drag at some point on the trail. Also access could be a little cumbersome.

If you have a winch bumper and no plans to get a winch, you could fit a tank there.

Gotta save room for the winch. It might be down the list of mods, but it's on there for sure.


Now that I think about it, the engine bay is becoming less ideal with a tank and leaving room for a dual battery setup someday.

 

[APKhaos]

Is the air just for the impact wrench alone?
If it is, why not carry a good rechargeable impact wrench like:
Ingersoll-Rand 1/2'' 19.2V Cordless Impact Wrench Kit w/ (2) Li-Ion Batteries, Charger, and CaseIRW360-KL2

Two batteries in the kit, and charge them with an inverter if you need to.
I use mine at the track - full weekend with multiple four wheel changes on one battery. It will easily break the Hundy lug nuts free, and is also extra handy for emergency repair work. Nice tool.

 

[Dobie]

Would mounting the tanks work where the spare tire goes underneath the truck?

 

[Dobie]

Or a small 1- 5 gallon (depending on shape and space available) can be plumbed to the area beteeen the frame and slider. Use the largest tank you can find space for - impact tools use a lot of air volume and I don't think the ARB compressor is rated for constant duty.

I think the new compressor he is talking about is rated for 100 percent duty cycle. It is basically two of their compressors paired up to work as one unit AFAIK.

 

[SHAGGY101]

Is the air just for the impact wrench alone?
If it is, why not carry a good rechargeable impact wrench like:
Ingersoll-Rand 1/2'' 19.2V Cordless Impact Wrench Kit w/ (2) Li-Ion Batteries, Charger, and CaseIRW360-KL2

Two batteries in the kit, and charge them with an inverter if you need to.
I use mine at the track - full weekend with multiple four wheel changes on one battery. It will easily break the Hundy lug nuts free, and is also extra handy for emergency repair work. Nice tool.

I think he also needs it to air his tires up too.

 

[APKhaos]

I think he also needs it to air his tires up too.

Makes complete sense. Should have thought of that.

 

[saillaw]

Do you have sliders? I plumbed both of my sliders for use as tanks for my OBA system, works great...

Could you please elaborate on this? Do you mean you are using the hollow part of the slider as a tank itself? Interesting idea, any photos? [STRIKE]What sliders are you using?[/STRIKE] WKOR What PSI are you putting in them and do they leak?

 

[saillaw]

To the OP: Not sure if you can fit a 2 gallon somewhere or not, but Sierra Expeditions has this one on sale for $79:

Sierra Expeditions - 2 & 4 Gallon Air Tanks

And they have free shipping for IH8MUD with the code here if you make it over $100 total order:

https://forum.ih8mud.com/vendor-mar...pping-orders-over-100-sierra-expeditions.html

(I've no connection)

 

[rusty_tlc]

..... Air hose connections may not be very convienient under the LC so still leaning toward the engine bay area.

...

Run lines to the front and rear bumper and make your connections there, much more convenient than the engine bay or on the frame.

 

[Nottajeep]

Yeah, I have been browsing their site eyeing a hi-lift recently.
This tank might be a good fit in place of the spare tire.
Since my spare is still mounted under the rear, does anyone know if this would fit?
Can it fit above the rear crossmember?

Tank dimensions are:
Length: 19"
Diameter: 6"
Height when standing on legs: 7"

 

[ntsaint]

Could you please elaborate on this? Do you mean you are using the hollow part of the slider as a tank itself? Interesting idea, any photos? [STRIKE]What sliders are you using?[/STRIKE] WKOR What PSI are you putting in them and do they leak?

Sure, see below thread. yes, i have WKOR sliders, and i'm using the hollow part as tanks, connected to my compressor with SS tubing. They DO slowly lose pressure, but only over a period of several days. For wheeling weekends, etc, not a concern:

https://forum.ih8mud.com/100-series-cruisers/522280-oba-system-finally-done.html

 

[saillaw]

That's awesome, thanks! I'm going to have to take a look at my MT sliders and see if there is a way to do this with them.

 

[Nottajeep]

Did some searching to see the space available in the rear tire area and in this link https://forum.ih8mud.com/100-series-cruisers/76405-spare-tire-modifications.html you can see LOTS of room for an air tank. I am beginning to think a 2 gallon mounted to the rear cross member might work out great.

Also found a decent drawing pic to reference.
How does the crossmember mount idea sound?
I also like the idea of raising the crossmember in the same manner as the spare tire mod to tuck a tank a few more inches up into the hundy butt.

 

[petrotk40]

sounds like a good idea to me. I wonder if you could find a pancake tank? airtank air tanks