1980 mack rd 686 airline diagram

[Asarine 0]

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!

[j hancock 13,082]

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

[Asarine 0]

Thank you. I hope that helps. Ill take a look through it. 

[Coenut 175]

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.

[Asarine 0]

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? 

[Coenut 175]

Pm sent