How To Read Tire Air Pressure Gauge. Then place the pressure gauge on the valve stem and press down hard enough so the hiss sound disappears and your gauge provides a reading. It’s best to check tire pressure in the morning when the tires are cool.
Check the reading on the pressure gauge to determine if you’ll need to deflate or inflate your tyres Always keep your gauge at room temperature settings as both high and low temperatures can impact the performance. Remove the end caps on your tires' air valves (don't lose them!).
The air rushing from the tire forces the rod to extend. Remove the valve dust cap from the tyre valve and place the pressure gauge onto the tyre valve stem; Every tenth notch is usually a bit larger than the others.
Remove the end caps on your tires' air valves (don't lose them!). The distance the piston travels is relative to the pressure in the tire. If there is a hissing sound, the gauge is not tight or even enough for an accurate reading.
The tire pressure will be displayed either on the stick, dial indicator or digital readout of your pressure gauge. 2) if you want a more precise method for checking the accuracy take the gauge to a local tire dealer or fleet truck maintenance facility and ask them to check it using a master gauge. If both gauges read within 1 to 2 psi of each other the gauges are more than likely accurate.
Remove the valve cap from one of your tires. For all tire pressure gauges, they are designed to simply attach to the valve stem of the tire/wheel combination and report a pressure reading of how much air is inside, measured in pounds per square inch (psi). Then place the pressure gauge on the valve stem and press down hard enough so the hiss sound disappears and your gauge provides a reading.
Press down the gauge evenly on the valve stem to ensure you get an accurate reading; Once you’ve got a suitable pressure gauge: Filling tire pressure is a pretty simple process.
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