Asarine Posted January 4, 2017 Share Posted January 4, 2017 Hi all! Im working on restoring a 198p mack rd686 "sx" six wheel truck. I was wondering if anyone had a diagram for the airline routing for this truck. It has three air tanks. The large one has the primary and secondary tank together. Any help would be appreciated. Thanks in advance! Quote Link to comment https://www.bigmacktrucks.com/topic/48217-1980-mack-rd-686-airline-diagram/ Share on other sites More sharing options...
j hancock Posted January 4, 2017 Share Posted January 4, 2017 Don't have an exact layout. I find this Bendix brake book is very helpful in many situations. http://www.suspensionspecialists.com/techinfo/Bendix_Brake_Handbook_2009.pdf Quote JimIt doesn't cost anything to pay attention. Link to comment https://www.bigmacktrucks.com/topic/48217-1980-mack-rd-686-airline-diagram/#findComment-357103 Share on other sites More sharing options...
Asarine Posted January 4, 2017 Author Share Posted January 4, 2017 Thank you. I hope that helps. Ill take a look through it. Quote Link to comment https://www.bigmacktrucks.com/topic/48217-1980-mack-rd-686-airline-diagram/#findComment-357115 Share on other sites More sharing options...
Coenut Posted January 5, 2017 Share Posted January 5, 2017 I don't know if this would help but I've just about replaced every airline on my r chassis and have tagged every line from the cab to the frame. Cab is not on so everything is open to view and take pictures. I'm 2 hours or so north of you. You are more than welcome to come up and take pics notes or whatever you need. I took photos with my not so uptodate camera and had Walmart print them out other wise I'd send you everything. 2 Quote Link to comment https://www.bigmacktrucks.com/topic/48217-1980-mack-rd-686-airline-diagram/#findComment-357167 Share on other sites More sharing options...
Asarine Posted January 5, 2017 Author Share Posted January 5, 2017 1 hour ago, Coenut said: I don't know if this would help but I've just about replaced every airline on my r chassis and have tagged every line from the cab to the frame. Cab is not on so everything is open to view and take pictures. I'm 2 hours or so north of you. You are more than welcome to come up and take pics notes or whatever you need. I took photos with my not so uptodate camera and had Walmart print them out other wise I'd send you everything. Where are you located? Quote Link to comment https://www.bigmacktrucks.com/topic/48217-1980-mack-rd-686-airline-diagram/#findComment-357175 Share on other sites More sharing options...
Coenut Posted January 5, 2017 Share Posted January 5, 2017 Pm sent Quote Link to comment https://www.bigmacktrucks.com/topic/48217-1980-mack-rd-686-airline-diagram/#findComment-357218 Share on other sites More sharing options...
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