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DeWat · 04-14-2019, 04:19 PM

Greetings all. While peering under the coach memorializing my transmission's data tag to a picture, I came across what looked like a lanyard. I thought it interesting since I already have the "usual" three (silver, green & red) lanyards in my DEF compartment. So I followed the line and sure enough, it ended at an air tank. Pulling on the lanyard confirms the release of air from the tank. Now I'm left wondering what is this air tank for... could it be the Hadley's air tank? While pulling on the lanyard, I did not notice the coach level dropping any, but I will admit that I did not hold it for over 20 or 30 seconds, and the coach had already been sitting for over a week, although it did appear to still have some air in the suspension. If anyone can confirm that this is the Hadley's air tank, I don't see any harm in adding it to the "lanyard purge" checklist when I pull on the other three.

JimnEllen · 04-14-2019, 04:30 PM

It’s most likely for the SMI Air Force 1 toad braking system.

jestew3 · 04-15-2019, 06:08 AM

Quote:

Originally Posted by DeWat

Greetings all. While peering under the coach memorializing my transmission's data tag to a picture, I came across what looked like a lanyard. I thought it interesting since I already have the "usual" three (silver, green & red) lanyards in my DEF compartment. So I followed the line and sure enough, it ended at an air tank. Pulling on the lanyard confirms the release of air from the tank. Now I'm left wondering what is this air tank for... could it be the Hadley's air tank? While pulling on the lanyard, I did not notice the coach level dropping any, but I will admit that I did not hold it for over 20 or 30 seconds, and the coach had already been sitting for over a week, although it did appear to still have some air in the suspension. If anyone can confirm that this is the Hadley's air tank, I don't see any harm in adding it to the "lanyard purge" checklist when I pull on the other three.

I that is the storage tank for the Spartan Safe Haul system. The system provides the coach side air (proportional) for your Air Force One or similar towed braking products.