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 565 of 799

4-173. FRONT

TM 9-2320-272-24-3

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NOTE

Ensure all bearings are packed with GAA grease before

installation.

Using arbor press, install bearing (11) in sheave (12).

Using soft-faced hammer, drive pin (16) into tensioner sheave pin (14) until seated.

Install snapring (15) on pin (14).

Position felt side of two new felt washers (10) against bearing (11).

Position sheave (12) and two thrust washers (9) in frame (2) and install with tensioner sheave pin (14).

Secure tensioner sheave pin (14) on frame (2) with snapring (15). Ensure tensioner sheave pin (14)

engages slot (17) in frame (2).

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