From: Bill & Bonnie Prestin (bprestin@chartermi.net)
Date: Mon Jun 02 2003 - 15:56:08 PDT
Kenney,
The deuce tractor shuttle valve directs air to the trailer being
towed, from One of two sources. If you push the trucks break pedal, the
plunger in the shuttle valve moves to one side and allows air from the
trucks break system to control the trailer. If you pull the hand break
lever, the plunger "shuttles" to the other side and sends the air from the
hand control to the trailer breaks without allowing the air pressure from
the hand control lever to back feed into the truck break system and activate
the trucks breaks.
Hope that helps.
Bill
Michigan
M342 & M51
M105 & M332
----- Original Message -----
From: <Recovry4x4@aol.com>
To: "Military Vehicles Mailing List" <mil-veh@mil-veh.org>
Sent: Monday, June 02, 2003 6:28 AM
Subject: [MV] Deuce Tractor Shuttle Valve
> Greetings list. I have an M275A2 tractor. There is a shuttle valve under
the
> deck plates in the rear. I believe its also called a double check valve. I
> have searched evey manual I have and the only thing I can find is how to
replace
> it and that was in the -361-20 manual.
> I'm looking to find out what it does and why its there. Can anybody shed
> light on the mysterious shuttle valve?
> Thanks,
> Kenny
>
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