TM-9-2320-272-24-1

TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)

TECHNICAL MANUAL; UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL; VOLUME 1 OF 4

JUNE 1998

TM-9-2320-272-24-1 - Page 976 of 1015

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Install three fittings (2) on quick-release valve (1).

Install two fittings (2) and fitting (6) on doublecheck valve No. 3 (16).

Install two fittings (2) and fitting (5) on doublecheck valve No. 4 (12).

Install quick-release valve (1) on access box cover (16) with two screws (17), washers (14), and new

locknuts (13).

Install doublecheck valve No. 3 (16) on access box cover (16) with screw (17), washer (14), and new

locknut (13).

Install doublecheck valve No. 4 (12) on access box cover (16) with screw (17), washer (14), and new

locknut (13).

Connect air lines (4), (6), and (7) to quick-release valve (1).

Connect air lines (3), (7), and (8) to doublecheck valve No. 3 (16).

Connect air lines (8), (9), and (10) to doublecheck valve No. 4 (12).

Install access box cover (16) on step box access (11) with eight new lockwashers (18) and screws (19).

Install new tiedown strap (21).

Install clamp (24) on front step brace (20) with screw (22) and new locknut (23).

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