Licensed to kill Posted November 12 Share Posted November 12 Looking through the pics I took of this engine before tearing it down and the air intake for the compressor has me scratching my head. There is a hose that comes from the head of the compressor (which should be the air intake ) but the hose goes to a fitting on the lower side of the compressor? This arrangement seems illogical to me. Can someone confirm how this is supposed to be. OK, so I can’t seem to be able to post the pic (must be too big). So that fitting that the hose goes to is just below and behind the governor bolted to a rectangle boss. Quote Link to comment https://www.bigmacktrucks.com/topic/74745-compressor-intake/ Share on other sites More sharing options...
Joey Mack Posted November 12 Share Posted November 12 it sounds like its wrong. why would they suck crankcase pressure into the compressor if that is what I am understanding? .. I too am curios.. Quote Link to comment https://www.bigmacktrucks.com/topic/74745-compressor-intake/#findComment-561801 Share on other sites More sharing options...
Freightrain Posted November 12 Share Posted November 12 The upper port, in the head, is the output. The lower port just below is the intake. Mine has a small box with foam filter bolted directly to compressor . Many older trucks had rubber hose coming from air cleaner tube up at engine. This is picture of my 237 before stripping it down and getting it installed. I already removed the fittings from the compressor. I actually installed the compressor from my 673 because it was already rebuilt. 1 1 Quote Larry 1959 B61 Liv'n Large...................... Charter member of the "MACK PACK" Link to comment https://www.bigmacktrucks.com/topic/74745-compressor-intake/#findComment-561803 Share on other sites More sharing options...
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