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 670 of 799

4-199. CRANE

TM 9-2320-272-24-3

THIS TASK COVERS:

a Removal

b. Installation

INITIAL SETUP:

APPLICABLE MODELS

REFERENCES (TM)

M936/A1/A2

LO 9-2320-272-12

TOOLS

TM 9-2320-272-10

General mechanic’s tool kit (Appendix E Item 1)

TM 9-2320-272-24P

Torque wrench (Appendix E, Item 144)

EQUIPMENT CONDITION

MATERIALS/PARTS

Parking brake set (TM 9-2320-272-10).

Four lockwashers (Appendix D, Item 377)

Cap and plug set (Appendix C, Item 14)

CAUTION

When disconnecting hydraulic lines, plug all openings to prevent

dirt from entering and causing internal damage to parts.

NOTE

Have drainage container ready to catch oil.

Tag all hydraulic flex lines and adapter elbows for installation.

1.

Disconnect hydraulic flex lines (1) and (2) from elbows (3) and (4).

2.

Remove four screws (7) and lockwashers (6) from swinger motor (5) and gearcase (8). Discard

lockwashers (6).

3.

Remove swinger motor (5) from gearcase (8).

4.

Remove elbows (3) and (4) from swinger motor (5).

1.

Install adapter elbows (3) and (4) on swinger motor (5).

2.

Install swinger motor (5) on gearcase (8) with four new lockwashers (6) and screws (7). Tighten

mews (7) 44-61 lb-ft (60-83 N•m).

3.

Connect hydraulic flex lines (1) and (2) to elbows (3) and (4).

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