Tire Deflators - How They Work, How to Use Them
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- Опубліковано 15 жов 2024
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From the list of things you don't need to buy for your off-road rig, but you probably will anyway... Brass Tire Deflators.
These little spring-loaded and o-ring sealed gadgets give you the ability to easily air down your tires for the trail. Notice I didn't say "quickly". They do take longer than manually airing down, but the trade off is convenience - and the fact that they will automatically air-down your tires to preset PSI levels. And, it can do it for all four of them at once! So screw these bad boys on all four valve stems and wait for the hissing sound to stop, and you'll be ready to roll!
These brass tire deflators come in several similar designs, but all pretty much work the same way. You will typically find them sold under the following brands: Smitty Built, Rugged Ridge, AutoEC, Tuff Stuff, Staun, and several others. Some screw together to keep them from getting lost, and some (as mine did) come in a little leatherette pouch.
In the following video, I discuss how they work, how to set them up, and how to use them. It's honestly pretty easy once you get them in your hand. In fact, if you don't want to watch me ramble on for 8 minutes, these instructions will get you going just fine:
Setting (calibrating) your brass tire deflators.
1. Deflate your "calibration" tire to desired PSI (I used my spare).
2. Screw the cap on the deflator all the way down (clockwise).
3. Screw the deflator onto the valve stem of the tire (completely).
4. Screw the cap on the deflator counter clockwise until you hear air, then turn back until the air stops.
5. Screw the locking (jam) nut counter clockwise until it is tight against the cap (to prevent it from turning accidentally).
6. Remove the deflator from the valve stem.
7. Repeat for all of your deflators
8. Don't forget to re-air your spare to normal PSI!
Using your brass tire deflators
1. Screw the deflator onto each tire.
2. Wait for hissing sound to stop.
3. Remove the deflators.
See? Now wasn't that easy?
Now, I didn't mention this in the video, but I do know that folks will often screw these on their tires and then drive to the trail area as their tires are airing down. This is another benefit of this design. Don't forget to take them off before you hit the trail, though!
Additionally, there is nothing that says you have to set them all at the same PSI. If you like to use a couple of different PSI levels in your tires, or you have different levels for different vehicles, you could always set them differently. Just figure out how to keep track of which are which!
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Much better instructions than what came in the package. Thanks so much!
Just ordered a set and am looking forward to the convince, thanks for the "how to" video!
@trailrecon : its 5 years later, do you still use these?
Thanks for explaining this! The manufacturers vid didn't come close - I learned a lot.
excellent video. I watched this one years ago, and came back to it because it is about the only video that actually shows how to set them up, or you certainly do a much more comprehensive job. Thank you.
Great video...thanks for the look inside of these, I just got a set (4 of them) from eBay for $22.00 AU and they are the same dimensions and size (engineer by trade) as the staun ones, BUT the staun ones are $99.00 (Australian) I also drilled out the vent holes from 1.2mm to 2.0mm and it cut the "down" time from 40PSI to 20PSI from 4 min to just under 2 minutes.
There is a reason the hole is 1.2mm. Try to work it out mr engineer.
aslanyavuz whys the mr engineer
Yeah, that was a bad move on drilling out the holes. The spring pressure used to limit the PSI is based on calculations which take flow rate into account. Changing the flow rate changes the amount of pressure required to allow the valve to close.
The spring controls the air pressure and has nothing to do with the actual air flow, doesn’t matter what size holes… if the spring is rated at say 12FLB it will stay the same.. regardless of the actual air flow (size of the hole!)
@@gt0915 ..When I read that first post about drilling the holes out, I thought, great idea ! Then there were a couple of posts that Disagreed. I was thinking that if the air got dumped quicker it would minimize that long period where the air is just barely coming out, and thereby reaching the desire pressure with a cleaner shut off. I'm no engineer, but those are my thoughts (right *or* wrong). I would bet if he put all those deflators in a bag and fitted them on all four wheels randomly, they wouldn't give him the same impressive results shown here.
I don't know why they even bother putting all those fancy calibrations on them. They are totally useless, and every single video I've watched regarding setting these things up, regardless of brand or type, are all shown the same way that this bloke just demonstrated. I have numbered mine so that each deflator *always * goes on the same tyre. The depth of the seating of the valve in the valve stem would also have an effect on the accuracy of your reading. all of the aforementioned is IMHO.
Hi, thanks for doing this video. You explained in plain language how to use the deflators. Especially liked you showing the inner workings of the device. I sat there like a student and followed along with one of my own Staun deflators. I will be calibrating mine tomorrow.
+r g Thanks for the feedback! Best advice...make sure you can trust your gauge to be accurate every time. Otherwise...you can't trust what you set the deflators at!
I purchased that style deflator about 6 months ago. They work fine. Informative video and put together quite well. Nice that you included how they work and how to use them. Stay safe on the trails.
Thank you for showing this, I'm glad I found your video. I got the Rhino Deflator Pro Kit but seems they don't have the on-hand instructions as you did.
I can’t thank you enough for making such an informative video
WOW AMAZING
Excellent video. The first one that I’ve seen that actually shows you how these work and how to use them. Another video I saw was like. Basically you just set it and forget it. After watching that video I was like okay I still have no idea how to use these.
Good information in a simple way with no bs....my ‘14 Willys and I thank you.
Thanks for this. I bought I set of 4 similar in many respects to your deflators. While there are instructions on the package I bought, your video clearly explained what I need to do.
Great Video. Sometimes I throw on my deflators and roll airing down while I move up the trail. I stop before it get gnarly and put on the valve caps. They stick out and could be hit on a rock.
Thanks for making that video. That was very informative!!
I bought the JT Brooks pro set. You set a dial to whatever you want your psi, and go on about your business. $99 but the ease is worth it.
Great video and awesome explanation! Thank you & greetings from South Africa!
I love these things, and they are overall faster than other deflaters that you can only do one tire at a time.
Thanks for the instructional video. When I use mine I sometimes grab a snack out of my vehicle or make lunch while they deflate or even just start driving right away for 5 minutes while they air down and then stop and unscrew them once they are done.
Nice. Thanks for this. I am using them for the beach in NJ. Maybe I can avoid the bug attach in the sand using these little beauties.
Super helpful thanks! I recently bought a set and it came with no instructions so really didn't have any clue how to use them. This video should be linked on their product! Haha. Thanks again!
That was super helpful thanks for that.
Wondering what brand you picked up, they look well made. Thanks for the video and explanations.
Thanks for sharing.! I just ordered 4 sets in Amazon
I have been looking for them for a while, thanks
Awesome straight forward video. I ordered some Grit performance deflators and there were no instructions. I wasn't sure if I was missing a hose or something and had no idea how to use the kit. Thanks
Your jeep has came so far amazing transformation. Can't wait for more
Very well done! Thanks.
Just bought these for the rally and it was kinda funny your video was first to pop up and your jeep was nearly stock at this point
Thanks for this well explained video. I just ordered a set from eBay and it didn't come with any instruction at all, you have helped me.
Thank you, very helpful information.
Thanks for the video. Just received my set and was confused by the included instructions.
Honestly it was really quick to air down when I used them. It does go faster when the tire is mounted as the vehicle weight put additional pressure on the tires to release the air.
Thanks for the video. Great how to and description.
Awesome video and very well explained, so easy. Thanks
Definitely on my list.
Cool vid, well done. Thanks.
Excellent video. Kudos!
All the years of having my Staun deflators, they've never let me down. Well worth the price for the quality. I may upgrade to the
Staun II version but don't really see the advantage other than the added key rings.
Damn good instructional video.
The six million dollar question and why I tuned in is, yes they are slower but roughly how long does it take to deflate from 35 psi to 15 psi ??? 5 minutes ??? 15 minutes ???
It takes about 3 to 4 minutes max. Well worth it !
@@jdreaper2176 Thanks, I since bought some after watching this video and others. Soon as I hit the dirt, I screw them on and start driving. I pull up the tire pressure reading on the dash and watch them as they go down. When the reading on the dash gets to where I have them set at, I pull back over and remove them. Yes I agree, well worth it.
There may be some spouses tuning in so let me clarify one thing you said by saying EVERYTHING with by for our jeeps are TOTALLY necessary ....heehee
All the videos stop at the part where it’s adjusted, which is like HALF of it and for me not seeing the reason for these… you told me the reason. So thank you. I may not put them to much use at all, but they’re less than $30 on Amazon so I don’t see a reason not to have them.
Good explanation. The instructions with my kit were not clear. This is.
Would the air be released quicker if you drilled out a few more holes other than the two that are already there?
Nice shirt, accurate to the use of this tool. :3
You had me at Dundler miflin
time it took please?
Do you leave them off and then screw them on when you want to air down, or do they stay installed and just air down when you want?
You left out the most important part. How long did it take? I’ll stick to my four manual ones. I just put them on then wait a couple of minutes then start checking with a gauge I’ve never timed it but if I had to guess I can get all four tire down to 18 psi from start to finish in about 4-5 minutes. Which is probably faster than these fart machines. Mine never make fart noises either.
Well done and informative flick
Thanks, I definitely will get mine soon.
Excellent video.
Great video and nicely explained and demonstrated. Thanks many. (y) :)
nbrettoner thanks!
Great video! Thank you for taking the time to set it up. Would if be fine to plug the deflators and drive for 5 minutes instead of waiting there?
Leibol Q
If you do that you run yhe risk of damaging,plugging with dirt debris etc. I wouldn't recommend it.
thanks mate
Well done Sir!
very good
Might want 2 set at a higher PSI for rear tires if you're carrying cargo. I usually run 18 PSI front, 23 PSI rear on trails.
So how long did it take to deflate?
thanks this was a great video
Can you just leave them on during the trail?
Have a set of these but not really happy with how slow it deflates. I can do all 4 tires down to 10psi faster using my ex deflator which removes the valve core. I looked for a method to speed it up but haven't found anything yet
I have purchased the less expensive brand let's say $20. They work perfectly every time. A real plus as you're waiting for your friends to bend over and bend over and bend over again to keep trying to get the pressure. Try your set.
One more comment why do people always want to make a better mouse trap, That's to you engineer people out there.
What brand is the pressure gauge you are using please?
great video. thanks
what kind of air compressor are you using?
Great!
How much time it took to get it from 35 PSI to 15 PSI?
Also am I going to face any issues if I set it till 10 PSI ?
.
Where to buy this from in UAE
Question. When using the SPARE with no weight on the tire, or another vehicle besides the one you are buying them for, would it effect the psi pressure for the tires on the ground under the weight of the vehicle you are going to set them for?
For instance I could use my Wagoneer to set the deflators for my sisters 4Runner and moms LJ, but would it be different once they used them?
watchingvideos4309..Using the spare wouldn't make that much difference mate. It would give you a reasonably accurate ballpark figure. Using them from vehicle to vehicle would be a different story. If it was me, I would leave the settings for your Wagoneer as is, and make any necessary adjustments to the tyre pressures on the other vehicles ( manually let them down a bit more or whatever) otherwise you are going to get sick of re setting them every time you need them for your car. Once you get them all calibrated, as a matter of interest (your best interest) just muddle them up and try the deflate, then test all your pressures and see how much variation you get between tyres. See my post above to see what I have resorted to, to get reasonable accuracy in mine. At the end of the day, you only need them to be close, not exact.
The last one you set was set at 13psi maybe even 12psi.. you let air out each time you screwed one on and took it off.. .. They are good but if you use the tool you set the tire psi with instead of the brass things.. You can do it very fast. You don/t have to bend down and unscrew again..
thank you very help full video
do they get hot or cold while deflating?
I have some of these, and tried to set them to my desired PSI. I went through the steps (loosening the caps until air comes out, then tightening etc) however when I tested them out, the air never stopped while on the tire. It lessened as the tire pressure decreased, but I ended up like 5 lbs less than what I wanted, and I had to manually stop them as well. Is there some secret to them?
silicon lubricant
Can we use this for bikes?
You made that easier than A B C good vid thanks for that
do you ever drive on soft sand with your deflators still on and deflating?
I never have... but I know it's done. I don't see where it will hurt anything. 1) if you are limited to very slow speeds and 2) you don't forget to pull them off when done. My biggest worry would be getting sand in them... that stuff gets everywhere!
ps i love your shirt.
The best !!
Basic regulator valve got it.
How do you deflate your spare to 15 PSI in the first place?
Manually... Just pressing the center core to let air out.
I'll bet everyone is still checking the pressure after they deflate with deflators... why? :-)
Humman Off-Road Adventures I personally would trust myself with a calibrated gauge more than a piece of brass that after being used a few times have the potential for error such as getting dirt and dust in them and the valves not sealing all the way so then when they reach their intended pressure it still leaks air and if your sitting around for 15-30 minutes bullshitting with the other guys and next thing you know you have no air in your tire.... sounds super convenient
Nah mate. Just check their calibration every 6 months and apply some rubber care spray to the inside seal. All good
These things are pretty useless. They take forever to reach the correct pressure - and they vary quite a bit between examples. To set up say 4 sets to different pressures takes a very long time. When used in the field I ended up throwing some away because they just didn't work. I am talking about the brass ones available cheaply from the internet. A set of Stauns I have work okay.
those suck! I hate them, unreliable as fuck