TM 9-2320-211-10-1
FRAME 4
I
1.
Move both cutoff cocks (1) to off (up and down) position to turn off service air
and emergency air to the semitrailer.
2.
Unlock and separate tractor emergency air and service air hose coupling halves
(2) from semitrailer coupling halves (3) .
3.
rack ( 5) and turn them left (down) to lock.
GO TO FRAME 5
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