STAUN DEFLATORS – HOW THEY WORK

EASY & QUICK TO USE     ▪     NO TOOLS REQUIRED     ▪     5 YEAR WARRANTY*     ▪     ADJUSTABLE FROM 1-55 PSI WITH THREE PART NUMBERS SCVLD, SCV5, SCVHD

PROUDLY MADE IN AUSTRALIA

HOW THEY WORK

The original Staun Tyre Deflators are a spring loaded check valve with the ability to vary the spring pressure on the check valve via the Adjustment Cap. More spring pressure means a higher destination**, shut OFF pressure. Less spring pressure means a lower destination pressure. The original Staun Tyre Deflators have a destination pressure range of 1 to 55 PSI (SCVLD, 1 to 10 PSI; SCV5, 6 to 30 PSI and SCVHD, 15 to 55 PSI).

The Adjustment Cap is locked in place by the Lock Collar. Never use pinching tool like pliers or vice grips for they may distort the Main body and cause the deflator to malfunction. This VOIDS the warranty. Use only your fingers to safely lock-in your destination pressure setting.

TEMPERATURE INCREASE ADJUSTMENTS

As tires warm up, the pressure increases. To pick up that increase from a cold morning air down, just screw the deflator back on the tire valve stem, pull, do not "snap" the Manual Start Notch and wait for the deflator to shut OFF. Expect only a few seconds of air flow since this is typically only a small pressure increase.

The original Staun Tyre Deflators come in three part numbers: SCVLD, 1 to 10 PSI; SCV5, 6 to 30 PSI and SCVHD, 15 to 55 PSI. They come in sets of four deflators with a genuine kangaroo leather storage pouch.

* Excludes abused, misused and lost parts.

** DESTINATION PRESSURE: The pressure you have set where the deflators will automatically turn OFF.

CAUTION:

Low tire pressure makes for unfamiliar vehicle handling. Never deflate your tires unless you have a way to reinflate them to the pressure recommended by your vehicle or tire manufacturer. Compressed air (gas) presents several hazards, so always use protective eye-wear when setting or using your original Staun Tyre Deflators. Never completely remove the Adjustment Cap from the Main Body while screwed on an inflated tire. This will shoot parts out of the deflator body and may result in serious injury.

COYOTE AND ORIGINAL STAUN® AUTOMATIC TIRE DEFLATOR INFORMATION

PART NUMBER SPRING COLOR DESTINATION PRESSURE RANGE PSI CHANGE/TURN
CED456 SILVER 4 TO 20 PSI 4 PSI ± 1 PSI
CED456 RED 8 TO 56 PSI 7 PSI ± 1 PSI
CED545 YELLOW 5 TO 45 PSI 6 PSI ± 1 PSI
SCVLD SILVER 1 TO 10 PSI 4 PSI ± 1 PSI
SCV5 SILVER 6 TO 30 PSI 6 PSI ± 1 PSI
SCVHD SILVER 15 TO 55 PSI 8 PSI ± 1 PSI

What do the Coyote Automatic Tire deflators do?

When screwed onto your standard tire valve stems, they automatically deflate the tire and stop at the "destination pressure" you have chosen to air down to.

What are the advantages of Coyote tire deflators?

They take most all of the work and the need for pressure measurement out of airing down.

How do you use the Coyote tire deflators?

You simply screw them on your standard tire valve stems and either drive off (Coyote's only) or wait for them to stop deflating. We do, however, recommend that you remove the deflator at the first opportunity to avoid damaging either the tires' valve stems or the deflators. The original Stauns manufactured in Australia recommend that you not drive with the deflators installed on the valve stems.

Will Coyote deflators restart with tire spin and bounce if I leave them on?

No amount of reasonable tire spin and bounce will restart either deflator.

How do you set the Coyote tire deflators?

You loosen the Lock Collar and screw the Adjustment Cap in or out to increase or decrease the "destination pressure". The Adjustment Cap Reference Mark on the Coyote's Adjustment Cap makes this easy. Read more about that in the Instruction Manual.

What is "destination pressure"?

The destination pressure is the pressure you want to air down to. This is the pressure at which the deflator will stop letting air out of the tire.

What is the destination pressure range?

On the Coyote Automatic Tire Deflators, the destination pressure range is 4 to 56 psi. On the original Staun automatic tire deflators, the SCVLD destination pressure range is 1 to 10 psi, for the SCV5, the range is 6 to 30 psi and for the SCVHD, the range is 15 to 55 psi. See specifications here.

Does the starting pressure of the tire matter?

No. The deflator will either automatically start or you can pull the notch in the original Stauns or the Manual Start Ring in the Coyote Automatic Tire Deflators for lesser pressure differentials like the pressure increase due to temperature increase.

Does the notch and Manual Start Ring have other uses?

Most certainly and this is the major advantage of the original Staun tyre and Coyote Automatic Tire Deflators over all others. As tires warm up, the pressure increases. To pick up that cold morning air down increase, just screw the deflator back on the valve stem, pull the notch or Manual Start Ring and wait for it to shut OFF. Expect only a few seconds of flow to pick up this typically small pressure increase.

What is the warranty on the Coyote Automatic Tire or original Staun Tyre deflators?

With reasonable use and no abuse, the Coyote Automatic Tire Deflators carry a lifetime warranty and the original Staun Tyre Deflators carry a 5 year warranty. See the Instruction Manual for the full details.

Do the deflators require any maintenance?

Your Deflators require no maintenance other than an occasional cleaning. Our dirty offroad environment dictates this. Sand and dirt will groove the Piston and Main Body and that is not covered by the warranty. Before disassembly, the prudent will count the number of threads the Lock Collar is out from full down to make resetting easy. Read the full details in the Instruction Manual.

Should I lubricate the deflators?

Contrary to other brands, lubrication is not recommended for either the original Staun or Coyote deflators. There are two potential problems with lubrication in any automatic tire deflator. Most traditional lubricants like WD40®, 3 IN ONE OIL®, spray silicon and grease collect dirt. Dirt in any deflator will cause it to malfunction (stick ON). The other problem is that as air flows through a small hole, it cools. This is accentuated if you inflate with CO2. Depending on the weather, like snow 'wheeling, that may freeze the lubricant and cause the deflator to stick ON. If you feel you must lubricate your original Staun or Coyote deflators, use a dry film lubricant like RZ-50 distributed by EZ-GLIDE.

Are there any differences between the Coyote Automatic Tire Deflators and the Original Staun Tyre Deflators?

Primarily, the destination pressure range is greater in the Coyote Automatic Tire Deflators. It takes three Original Staun Tyre Deflator part numbers to achieve the range of the Coyote Automatic Tire Deflators (CED456). This simplifies your buying decision. If you use pinching tools like pliers or vice grips to tighten the Lock Collar to the Adjustment Cap on the Original Staun Tyre Deflators, you could damage the Main Body and void the warranty. The Coyote Automatic Tire Deflators have replaced the Adjustment Cap and Lock Collar knurls with hex. This means you can securely and safely lock the two together with an open end or crescent wrench and have the peace of mind that you have not damaged the Main Body. Once securely locked, you can now screw the deflator onto a valve stem using the Adjustment Cap end and have no fear of losing your adjustment setting. The Coyote Automatic Tire Deflators have an Adjustment Reference Mark in the Adjustment Cap. This makes fine tuning your destination pressure a breeze. The Coyote Automatic Tire Deflators are designed to install and hit the trail. However, it is recommended that you remove them at the first opportunity to prevent the chance of damaging either the tire valve stem or the deflator. The Coyote Automatic Tire Deflators also have a "Quick Chuck" to screw the deflator onto the tire's valve stem faster. This means that it only takes two turns of the deflator versus four or five for other brands to fully install it on the tire's valve stem.

What are the advantages of the original Staun® Tyre deflators over all other brands?

Primarily, all other brands tested do not shut completed OFF a shown in this underwater test video. Further, most of the Staun® knock offs are difficult, if not impossible to set the destination pressure. Read the full report here.

On The Water DeflatingI’ve been driving the beaches of Cape Cod for a long time. As anyone who runs the beaches knows, the most important aspect of driving over sand is maintaining proper air pressure in your tires. Over the years I think I’ve seen and or tried every homemade or manufactured gadget created for airing down tires. Some have worked great while others have been more of a nuisance than a convenience. A couple of years ago I got my first set of Staun® Tyre Deflators for my truck. These deflators have been by far the best overall product I’ve used. In fact they work so well that I got a set of them for my motor home also. The deflators come at a preset pressure, but are very simple to accurately adjust—one of the main things that sets these deflators apart. Once you have your deflators set, you simply screw them on to each tire and let them go until they stop. They will stop airing down at the exact set pressure. My truck runs 265/75-16 tires and takes less than 3 minutes to air down all 4 tires from 33-15 PSI. My motor home takes around 5-6 minutes to go from 90-18 PSI. If you drive the beaches or do any offroading that requires airing down. I highly recommend getting yourself a set of Staun® Tyre Deflators. I know the older I get, the less my knees enjoy squatting down to hold a tire gauge to depress the valve and air down my tires, the more I appreciate a quality air down tool like Staun® Tyre Deflators. On The Water SignOn The Water Fiishing