TM-9-2320-272-24-4

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

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

JUNE 1998

TM-9-2320-272-24-4 - Page 454 of 836

5-64. DIFFERENTIAL

TM 9-2320-272-24-4

21.

Bend tab(s) (4) on locktab washer over flats on outer nut (1).

22.

Using arbor press, install rear bearing inner race (3) on short splined end of mainshaft (2).

23.

Using arbor press, install bearing (7) in rear bore (5) of differential carrier housing (6).

24.

Install sleeve (8) in bore (13) with notches (10) toward shoulder of bore (13). Ensure hole (9) in

sleeve (8) aligns with hole (12) in differential carrier housing (6).

25.

Install setscrew (11) through hole (12) until seated in sleeve (8).

26.

Press bearing (15) on hub (20) of bevel ring gear (21). Bearing (15) must rest against shoulder (14)

on hub (20).

27.

Install spacer washer (16) on keyed end (19) of helical pinion gear (18).

28.

Install machine key (17) in keyed end (19) of helical pinion gear (18). Ensure exposed edges of

machine key (17) are not burred after installation. Remove any burrs with fine mill file.

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