Mini Air System

[Speed]

Hi all;

This is just a small request. I have the control lever for trailer brakes and odds-n-ends of air line on my EH,even though it runs hydraulic brakes,but I'd like to build an air system mainly to operate air trailer brakes on the rare occasions when I need to pull semi trailers,as well as for the air horn and for filling tires,using an impact wrench,etc. What I need is a list of parts and components I'd need to make it work reliably. I considered doing the A/C Compressor deal like my BroncWorth has,but I don't know how to arrange a drive for it,unless I can find a way to install a V belt pulley onto the Harmonic balancer. Another concern is that it might not operate at DOT standards. I think I know of a regular truck air compressor I can get,but I'm unsure where the oil lines would need to be connected. A list of what components are needed would be very helpful. I'd also like to know what it takes to make an air system acceptable to the DOT. I've read the rules for pressure,leaks,recovery time etc. but don't know what's required that isn't listed in the book. (I'm sure they'll come up with SOMETHING!)

Thanks for your help!

Speed

[Greg Rider]

There are crank pulleys out there but I would be concerned about the drain on engine power. The A/C compressor may not be able to provide the volume needed for long term braking. I would try to track down some of the bigger gas engine parts people and see about a set of pulleys and a compressor.

[Speed]

Yeah-you're probably right. I had a shot at a compressor,brackets and pulleys off an old military GMC a while back,but don't have the money for it now. I can probably gather most or all of what I need piecemeal if I know what all it takes to make a working system. I know my truck had air at one time because of the bits of air line and the valve on the column. I suspect it was exactly what I'm trying to arrange,but whoever got the compressor took all the brackets and some components from the system-what's missing,I haven't a clue.

Speed