66rmack Posted October 25, 2017 Share Posted October 25, 2017 So I am working on the air system on my superliner. Looking at generic air diagrams. All of them are showing a "wet tank" and a primary and secondary tank. So three air tanks total. Mine only seems to have the primary and secondary. No wet tank. So my question is, is my truck just pre these diagrams? Should I put a wet tank in it to try and keep water out of the system? It's a 1989. Quote Link to comment https://www.bigmacktrucks.com/topic/51500-dumb/ Share on other sites More sharing options...
BC Mack Posted October 25, 2017 Share Posted October 25, 2017 (edited) quite often the secondary is a dual tank, the wet section is inboard.... or not..!!! giveaway is two drains underneath.. follow the hoses from the compressor, through the dryer if you have one, and see which tank it enters. if you don't have a wet tank, and no dryer, then yes put one in.... most diagrams are somewhat generic so your truck doesn't always look like the drawing I suspect you do have one BC Mack Edited October 25, 2017 by BC Mack Quote Link to comment https://www.bigmacktrucks.com/topic/51500-dumb/#findComment-383417 Share on other sites More sharing options...
66rmack Posted October 25, 2017 Author Share Posted October 25, 2017 1 hour ago, BC Mack said: quite often the secondary is a dual tank, the wet section is inboard.... or not..!!! giveaway is two drains underneath.. follow the hoses from the compressor, through the dryer if you have one, and see which tank it enters. if you don't have a wet tank, and no dryer, then yes put one in.... most diagrams are somewhat generic so your truck doesn't always look like the drawing I suspect you do have one BC Mack Ok that makes sense the passanger tank has two drains. Thank you for the great information. I am slowly learning. Quote Link to comment https://www.bigmacktrucks.com/topic/51500-dumb/#findComment-383423 Share on other sites More sharing options...
carlotpilot Posted October 25, 2017 Share Posted October 25, 2017 little different subject the tires and wheels i spoke of are all hub piloted so no help yet cc Quote Link to comment https://www.bigmacktrucks.com/topic/51500-dumb/#findComment-383446 Share on other sites More sharing options...
66rmack Posted October 25, 2017 Author Share Posted October 25, 2017 Just now, carlotpilot said: little different subject the tires and wheels i spoke of are all hub piloted so no help yet cc No problem thank you for looking for me. Quote Link to comment https://www.bigmacktrucks.com/topic/51500-dumb/#findComment-383447 Share on other sites More sharing options...
carlotpilot Posted October 25, 2017 Share Posted October 25, 2017 Just now, 66rmack said: No problem thank you for looking for me. if you find some keep me posted will keep watching Quote Link to comment https://www.bigmacktrucks.com/topic/51500-dumb/#findComment-383448 Share on other sites More sharing options...
66rmack Posted October 25, 2017 Author Share Posted October 25, 2017 57 minutes ago, carlotpilot said: if you find some keep me posted will keep watching I will thank you. Quote Link to comment https://www.bigmacktrucks.com/topic/51500-dumb/#findComment-383451 Share on other sites More sharing options...
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