![How to Cage Air Brakes / Manually Release Air Brakes on Semi, School Bus, RV, and other big trucks. - YouTube How to Cage Air Brakes / Manually Release Air Brakes on Semi, School Bus, RV, and other big trucks. - YouTube](https://i.ytimg.com/vi/XVmRCPSVQrM/hq720.jpg?sqp=-oaymwEhCK4FEIIDSFryq4qpAxMIARUAAAAAGAElAADIQj0AgKJD&rs=AOn4CLAhshsVfSrOzcHz6tMewhnzn-vyvQ)
How to Cage Air Brakes / Manually Release Air Brakes on Semi, School Bus, RV, and other big trucks. - YouTube
![Air brakes charging up slow and when I press the brake pedal it loses its charge. Spitting air out of each of the two manifolds. One is on the center frame crossmember Air brakes charging up slow and when I press the brake pedal it loses its charge. Spitting air out of each of the two manifolds. One is on the center frame crossmember](https://i.redd.it/6rh561m8a0r61.jpg)
Air brakes charging up slow and when I press the brake pedal it loses its charge. Spitting air out of each of the two manifolds. One is on the center frame crossmember
![A landing glider with it s air brakes extended to slow it down set against an overcast dark sky Stock Photo - Alamy A landing glider with it s air brakes extended to slow it down set against an overcast dark sky Stock Photo - Alamy](https://c8.alamy.com/comp/B14CP1/a-landing-glider-with-it-s-air-brakes-extended-to-slow-it-down-set-B14CP1.jpg)