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Old 05-21-2018, 01:20 PM   #1
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Air Force 1 to New Spartan Air Connection

A while ago there was a discussion of how to connect the Air Force One air fitting to the standard air fitting on new Spartan chassis. I did figure out a simple way to handle this and thought some people might want to know how to do this. I removed the existing plug and replaced it with a 3/8 x 1/4" NPT Female Industrial Plug and a 1/4" NPTF Male x 1/8 NPTF Female bushing. I've included a photo.
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Old 05-21-2018, 03:09 PM   #2
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We purchased a 18 London Aire and ended up contacting Spartan to get the correct air fitting to Spartan chassis. The first set were not the correct ones and ended up getting the correct Spartan number and the second set fit. Spartan said there were the correct air fitting attached to the back of the coach but never found it. Bought a extra air fitting because I wanted to check the air pressure going to AF One at different brake pedal travel.
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Old 05-21-2018, 03:28 PM   #3
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Quote:
Originally Posted by tom chelbana View Post
We purchased a 18 London Aire and ended up contacting Spartan to get the correct air fitting to Spartan chassis. The first set were not the correct ones and ended up getting the correct Spartan number and the second set fit. Spartan said there were the correct air fitting attached to the back of the coach but never found it. Bought a extra air fitting because I wanted to check the air pressure going to AF One at different brake pedal travel.

Could you share with us the pressure readings you got during your test? Especially the full pedal depression.... Thanks.
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Old 05-21-2018, 04:59 PM   #4
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At about 1/3 pedal travel 30 PSI, at 2/3 travel 60 PSI and full brake application 90 PSI. After 30 plus years of towing with numerous different brake systems for towing the Air Force One is the One to get. Extra nice that Spartan has all the coach air lines plumbed on MA on up which makes the install easier.
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Old 05-21-2018, 05:46 PM   #5
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Tom,

It appears the DS will get the safe haul is that the same thing as you describe?
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Old 05-21-2018, 08:14 PM   #6
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At about 1/3 pedal travel 30 PSI, at 2/3 travel 60 PSI and full brake application 90 PSI. After 30 plus years of towing with numerous different brake systems for towing the Air Force One is the One to get. Extra nice that Spartan has all the coach air lines plumbed on MA on up which makes the install easier.
Thanks Tom.
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Old 05-21-2018, 10:18 PM   #7
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Yes Safe Haul is Spartan's term for air set up for Air Force One and other units that use air from coach to operate their brake system. In 18 you needed to get a Mountain Aire or up to get this. Sure glad our 18 London Aire came with Safe Haul.
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