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 726 of 799

TM 9-2320-272-24-3

4-212. TRANSMISSION POWER TAKEOFF (PTO) MAINTENANCE (Contd)

6.

Remove input gear (6), drive gear (5), and two thrust washers (2) from PTO housing (1). Discard

thrust washers (2).

7.

Slide input gear (6) off drive gear (5).

8.

Remove nineteen needle bearings (3) from each end of drive gear (5).

9.

Remove spacer (4) from drive gear (5).

NOTE

l

Before removing input bearing cap from PTO housing, mark cap

and housing for installation.

l

Exact number of gaskets found when removing bearing caps

may vary.

10.

Remove four screws (22), output bearing cap (21), and gasket (20) from PTO housing (1). Discard

gasket (20).

11.

Remove four screws (17), input bearing cap (18), and gasket (19) from PTO housing (1). Discard

gasket (19).

NOTE

Mark lever, shaft, shifter cover, and hole containing poppet and

spring for installation.

12.

Remove screw (7), lockwasher (8), lever (9), washer (10), gear controller (14), poppet (13), and

spring (12) from shifter cover (11). Discard lockwasher (8).

13.

Remove O-ring (16) from gear controller shaft (15). Discard O-ring (16).

4-990