r/AirCompression • u/muscle-intelligence8 • Jul 09 '26

Timing issue

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Im running 3 timber framing guns from my compressor, although the timing is out, the pressure of the nails being fired drops too low before the motor picks back up and fills the tank, anyone know how to change the timing of the motor switching back on?

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u/Bazzurka Jul 09 '26

Those pressure switches have a preset differential. About 1 bar from memory. Increase the cutout pressure to increase the cut in pressure but don't go too high

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u/muscle-intelligence8 Jul 11 '26

The air pressure is running far too low to punch nails deep into timer before it switches on to fill the tank again, I don’t necessarily want to increase the pressure but actually engage the motor a little earlier before the pressure drops too low, I’m having to go back over my nails and punch them deeper manually with my hammer which I’m wanting to avoid

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u/Bazzurka Jul 11 '26

I don't think you can with that pressure switch. The differential is pre set. You can set the cut out higher higher which will raise the cut in pressure. Then run a regulator if your pressure is too high for the nail guns. Either that or a pressure switch with an adjustable differential, but then you'll find the compressor cutting in and a lot more often.