TM-9-2320-272-24-3

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

TECHNICAL MANUAL; UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL; VOLUME 3 OF 4

JUNE 1998

TM-9-2320-272-24-3 - Page 576 of 799

4-174. FRONT

TM 9-2320-272-24-3

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16.

Using arbor press, install swivel (1) with extension (2) in frame (7).

With swivel (1) and extension (2) seated in frame (7), install new felt washer (3), washer (6), and

new locknut (4) on end of extension (2).

Install grease fitting (5) on end of extension (2).

Install bearing (14), sleeve (15), and two new felt washers (9) in sheave (13).

Coat one side of each of two thrust washers (8) with grease and install on sheave (13) with grease

side next to bearing (14).

Carefully place sheave (13) and thrust washers (8) in swivel (1) and install with screw (19),

washer (18), and slotted nut (17). Ensure that slots in nut (17) align with hole in screw (19).

Install new cotter pin (16) in slots of nut (17) and hole in screw (19).

Install grease fitting (20) in head end of screw (19).

Position sheave guard (10) over sheave (13) and install on swivel (1) with four new lockwashers (11)

and screws (12).

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