replace a.i.r pump with air compressor?
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Tuned
Joined: Nov 2004
Posts: 338
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replace a.i.r pump with air compressor?
Has anyone replaced their air pump with a converted a/c compressor or some other air compressor for onboard air? its kind of a tight fit, but i thought that would be a good place to stick a compressor if there were something smaller.
Fleet Mechanic
Joined: Nov 2011
Posts: 1,823
Likes: 43
From: New York
I doubt you'd find a compressor that is compact enough, but feel free to prove me wrong. 
Also, from a practical matter, it is very common for the through-bolt to seize in the bracket, cracking the bracket upon forced removal. 100% of the ones I've worked on have done just that.
Also, from a practical matter, it is very common for the through-bolt to seize in the bracket, cracking the bracket upon forced removal. 100% of the ones I've worked on have done just that.
Cargo Master
Joined: Mar 2007
Posts: 2,935
Likes: 34
From: Arcadia, Fla
My E350 bus has dual AC compressers. The cab unit is in stock location and the rear compressor is located above the alternator. There's a special bracket that mounts the 2nd compressor and idlers for the belt to run it. I know the belt is a diffrent size than factory.
Look around for a "dual AC" setup that they use for airport/church buses. May be some $$$ for that bracket but may be worth it as its already designed.
Now for me, I want to replace the smog pump with a 2nd alternator for running the coach power.
Look around for a "dual AC" setup that they use for airport/church buses. May be some $$$ for that bracket but may be worth it as its already designed.
Now for me, I want to replace the smog pump with a 2nd alternator for running the coach power.
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