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DEFLATOR INSTRUCTIONS 

With each set of Coyote deflators, you get this business card sized Quick Set Guide. It contains a 
condensed version of the instructions that follow. It neatly fits in the storage pouch for future 
reference.  

CAUTI0N:

 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 manufacture for highway use. Compressed 
air (gas) presents several hazards, so always use protective eyewear when 
setting or using your Coyote Automatic Tire Deflators. 

Never completely 

remove the Adjustment Cap from the deflator Main Body while screwed on 
an inflated tire or other pressure vessel of any sort.

 This will shoot parts out 

of the deflator Main Body and may result in serious injury, blindness or death.  

Coyote Enterprises is not liable for any special, indirect, incidental, 
consequential damage or loss, injury or death which may result from the use or misuse of the 
Coyote Automatic Tire Deflators or when driving with your tire pressure lower than the pressure 
recommended by your vehicle or tire manufacture for highway use. This warranty gives you 
specific rights which may vary from state to state or country to country.  

 MEASURE THE FACTORY SETTING

 - Screw a 

factory set deflator on a tire valve stem, pull the 

Manual Start Ring if needed, wait for it to shut OFF, and 
then remove and measure the destination pressure with your 
air down gauge.  

TO CHANGE THE FACTORY SETTING

 - If 

your desired destination pressure is more (less) than 

the factory setting, loosen the Lock Collar and loosen 
(tighten) the Adjustment Cap as needed. For the factory 
installed silver springs, the adjustment rate is 4 PSI per 
revolution of the Adjustment Cap. The chart below gives 
both the silver (installed) and red (optional) springs’ 
adjustment rates. Use the Reference Mark in the top for 
orientation to keep track of your change. Clockwise, down 
(counterclockwise, up) increases (lowers) the destination 
pressure.  

CHECK THE SETTING

 - Increase the tire pressure 

by 3 or 4 PSI above the desired setting, screw the 

deflator back on the reinflated tire, then gently pull and 
release the Manual Start Ring. After the deflator stops exhausting air, remove the deflator and 
measure the new destination pressure. As needed, repeat this process (steps 2 and 3) until your 
destination pressure is achieved. Finally, securely tighten the Lock Collar against the stationary 

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