m818 air system trouble shoot

[DOCUSN1]

Hi all was wondering for sometips my M818 will not build sufficient air preassure to drive on or kill the buzzer. We swaped air govenors from one truck to another and this did not help. Disconect line at air govenor from pump and no air. If I remember right I this is correct ithas to build preassure to flow right? any help would be appreciated ty, Mark

 

[DOCUSN1]

Hi all its fixed someone put a different type handle on a airvalve therefore its was open instead of being closed nice I like it lol my fault thanks guys. Mark