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 694 of 799

4-207. TRANSFER

TM 9-2320-272-24-3

THIS TASK COVERS:

a. Removal

b. Installation

INITIAL SETUP

APPLICABLE MODELS

M936/A1/A2

TOOLS

General mechanic’s tool hit (Appendix E, Item 1)

Torque wrench (Appendix E, Item 144)

MATERIALS/PARTS

Oil seal (Appendix D. Item 627)

Cotter pin (Appendix D, Item 70)

Adhesive sealant (Appendix C, Item 4)

Cap and plug set (Appendix C, Item 14)

Antiseize tape (Appendix C, Item 72)

REFERENCES (TM)

LO 9-2320-272-12

TM 9-2320-272-10

TM 9-2320-272-24P

EQUIPMENT CONDITION

Transfer case PTO-to-hydraulic pump propeller

shaft removed (para. 3-334).

1.

Remove cotter pin (1), washer (2), clevis pin (4), and clevis (3) from transfer case Power Takeoff

(PTO) select lever (5). Discard cotter pin (1).

NOTE

2.

Have drainage container ready to catch oil.

Disconnect transfer case oil return line (9) from adapter (10) and plug opening of transfer case oil

return line (9).

3.

Remove adapter (10) from PTO unit (11).

4.

Remove six screws (6) and washers (7) from transfer case (8).

5.

Remove PTO unit (11) from transfer case (8).

6.

Remove setscrew (12) from PTO oil pump drive gear assembly (15).

7.

Slide PTO oil pump drive gear assembly (15) off transfer case main input shaft (13).

8.

Remove oil seal (14) from PTO oil pump drive gear assembly (15). Discard oil seal (14).

4-958