QCDriver Posted December 1, 2006 Share Posted December 1, 2006 Could I please get some help from the Mack guys,with access to part lookup..?I have owned several Macks R & CH models. My '01 CH is very different, as far as air delivery. I cannot locate the air governor. The last 6 VIN 139664 CH613.Also I replaced the 1200 System Saver dryer with an AD-9 Bendix. Is this too small of an air dryer for bulk unloading?(compressor Bendix 1400 tru flow) I only will be using this setup for unloading for about a month. Designed a new unload with aux. power.Thanks in advance for replies as I will be busy from time to time. Doug Quote Link to comment Share on other sites More sharing options...
Barry Posted December 1, 2006 Share Posted December 1, 2006 I'll look it up tomorrow at work, but it should be a D2 gov (275491) if it is not on the compresor it is probally mounted on the firewall. Quote Barry - Watt's Truck Center Parts Manager and BMT Webmaster...1-888-304-MACK Link to comment Share on other sites More sharing options...
Lmackattack Posted December 1, 2006 Share Posted December 1, 2006 what barry said. Sometimes people will relocate them for ease of maintence. My gov was mounted to the compressor and was not easly reached. When I replaced my compressor I relocated it to the pass side fire wall Quote Link to comment Share on other sites More sharing options...
Barry Posted December 1, 2006 Share Posted December 1, 2006 Looks like it has a Meritor Gov on it. P/n: 8235-RKN18530 (Probally changes to Bendix 275491)I can't tell exactley were it is mounted, but here is the diagram... Quote Barry - Watt's Truck Center Parts Manager and BMT Webmaster...1-888-304-MACK Link to comment Share on other sites More sharing options...
QCDriver Posted December 1, 2006 Author Share Posted December 1, 2006 Thanks, Barry, I remember what the ones on firewall looked like but nothing. Thats why I asked. Proably a european style valve.There is some sort of valve on the pass. side frame, does not look like what I'm used to seeing. Gotta be it. Nothing on compessor.Thanks wish me luck. Anyway of getting a picture of gov.?? Does not look like diagram.. Quote Link to comment Share on other sites More sharing options...
HK Trucking Posted December 1, 2006 Share Posted December 1, 2006 Go to the following link to the Bendix website for a pic of an air pressure governor:http://www.bendix.com/bendix/downloads/qui...s_Governors.pdfHope this helps Quote "If You Can't Shift It Smoothly, You Shouldn't Be Driving It" Link to comment Share on other sites More sharing options...
QCDriver Posted December 2, 2006 Author Share Posted December 2, 2006 Been there, also talked to tech support.. These guys are awesome, will spend the time you need for info. But they said Mack was the worst for tech support, as the vavles are not the like the rest. I guess I need to see what Volvo gov's look like. I found a valve but it looks like a back pressure valve with a dial, this has got to be it.. Quote Link to comment Share on other sites More sharing options...
chris88 Posted December 2, 2006 Share Posted December 2, 2006 Right hand frame rail a little behind the air compressor. Its a real pain to get at, i have no idea why they put it there. If you poke around you will see it. Thats where they are on CLs so I would imagine thats where the CH would be. Quote Link to comment Share on other sites More sharing options...
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