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 95 of 799
TM 9-2320-272-24-3
4-61. FAN DRIVE CLUTCH (M939/A1) MAINTENANCE
(Contd)
15.
Turn drive pulley (2) over, place on wood blocks on arbor press bed, and use a mandrel to press
bearing (4) out of drive pulley (2). Discard bearing (4).
Before removing piston, seal plug must be reinstalled in clutch
housing and then apply compressed air to discharge piston.
16.
Install seal plug (5) in clutch housing (6). Tighten seal plug (5) 40 lb-fi (54 N-m).
4-359
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