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TM 9-2320-364-20-4
12-46
12-11. FRONT DOUBLE CHECK VALVE REPLACEMENT (CONT).
(4)
Remove air line 2686 (1) from adapter (5).
(5)
Remove air line 2684 (3) from elbow (2).
(6)
Remove air line 2689 (4) from adapter (5).
NOTE
If truck is equipped with an arctic kit, a hose bracket must also be removed in Step (7).
(7)
Remove locknut (6), screw (7), and top double check valve (8) from front gladhand bracket (9). Discard
locknut.
(8)
Remove air line 2663 (10) from elbow (11).
(9)
Remove air line 2664 (12) from elbow (11).
(10)
Remove air line 2661 (13) from elbow (11).
(11)
Remove air line 2665 (14) from elbow (11).
(12)
Remove locknut (15), screw (16), and front
double check valves (17) and (18) from
front gladhand bracket (9). Discard
locknut.
(13)
Secure top double check valve (8) in a
soft-jaw vise.
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