FRONT WHEEL DRIVE LOCK-IN SWITCH, AIR LINES, AND INDICATOR REPLACEMENT - continued

TM 9-2320-386-24-1-1

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FRONT WHEEL DRIVE LOCK-IN SWITCH, AIR LINES, AND INDICATOR REPLACEMENT (Contd)

11.

Remove air line (4) from elbow (3) on firewall (24).

12.

Remove elbow (3) from bulkhead fitting (2).

13.

Remove nut (1) and bulkhead fitting (2) from firewall (24).

14.

Remove two tiedown straps (7) from air line (4). Discard tiedown straps (7).

15.

Remove locknuts (5) and (8), screws (21) and (23), and clamps (6) and (9) from frame rail (20),

support (22), and air line (4). Discard locknuts (5) and (8).

16.

Remove air line (4) from connector (19) on pipe elbow (15) and vehicle.

17.

Remove hose assembly (18) from adapter (17) on pipe elbow (15) and elbow (13) on front wheel

drive vacuum booster (14).

18.

Remove connector (19) and adapter (17) from pipe elbow (15) on crossmember (11).

NOTE

Note position of elbow for installation.

19.

Remove elbow (13) from vacuum booster (14) on transfer case (12).

20.

Remove two locknuts (10), screws (16), and pipe elbow (15) from crossmember (11). Discard

locknuts (10).

INSTALLATION

Install pipe elbow (15) on crossmember (11) with two screws (16) and new locknuts (10).

Apply sealant to male threads of elbow (13), adapter (17), and connector (19) before installation.

Install elbow (13) on vacuum booster (14) on transfer case (12).

Install adapter (17) and connector (19) on pipe elbow (15).

Connect hose assembly (18) to adapter (17) on pipe elbow (15) and elbow (13) on vacuum

booster (14).

Install air line (4) in vehicle and connect air line (4) to connector (19) on pipe elbow (15).

Install air line (4) on frame rail (20) and support (22) with clamps (9) and (6), screws (21) and (23),

and new locknuts (8) and (5).

Install two new tiedown straps (7) as necessary to secure air line (4) in place.

Install bulkhead fitting (2) on firewall (24) with nut (1).

10.

Install elbow (3) on bulkhead fitting (2) and connect air line (4) on elbow (3).

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