TM 9-2320-363-20-1
TRANSFER CASE (ALL EXCEPT M915A2)
The cable shift linkage on the upper part of the transfer case controls high, neutral, and low range. In order for
the front drive axle to be engaged, air pressure must be applied to the air shift chamber. There are two ways to do this:
(1) move the all-wheel drive valve (inside the cab) to the engaged position; or (2) move the shifter to the low position. The
shifting rod on the transfer case is pulled out, which activates an air push valve on the mounting bracket and applies air
pressure to the shift chamber through the shuttle valve.
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