hyper 3 pressure tester... how does the thing work... need help!!!
how does the pressure testers work...
i have tried it on my dm9 both my dm8's and my nt and it wont do anything...
i screw the reg into it and then air up my tank and nothing happens and when i press the button on the side it leaks air... i have no clue how to make it work... took it apart and just see 2 yellow orings... the spring the c clamp... the gauge does not move... anyone else know?
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