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 102 of 799

TM 9-2320-272-24-3

4-61. FAN DRIVE CLUTCH (M939/A1) MAINTENANCE (Contd)

12.

Place drive pulley (3) on arbor press, with drive pins (5) facing downward. Use wood blocks on arbor

press bed to support drive pulley (3).

13.

Using bearing replacer and arbor press, press new bearing (1) into drive pulley (3).

14.

Turn drive pulley (3) over so drive pins (5) face up.

15.

Using bearing replacer and arbor press, install thrust cap (4).

16.

Turn drive pulley (3) over to ensure snapring groove (2) is fully exposed. If groove (2) is not exposed,

press bearing (1) until snapring groove (2) is exposed.

17.

Using snapring pliers, install new snapring (6) on drive pulley (3).

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