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 642 of 799

4-191. HOIST

TM 9-2320-272-24-3

THIS TASK COVERS:

a.

Removal

b.

Disassembly

c. Assembly

d. Installation

INITIAL SETUP:

APPLICABLE MODELS

REFERENCES (TM)

M936/A1/A2

TM 9-2320-272-10

TOOLS

TM 9-2320-272-24P

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

EQUIMENT CONDITION

MATERIALS/PARTS

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

Eight locknuts (Appendix D, Item 285)

Two cotter pins (Appendix D, Item 76)

NOTE

Front and rear roller braces are maintained the same way.

Remove four locknuts (9), screws (2), and two front roller braces (4) from boom (1). Discard locknuts (9).

1.

Remove two cotter pins (3) from shaft (7). Discard cotter pins (3).

2.

Remove shaft (7) and level wind roller (6) from two roller braces (4).

3.

Remove shaft (7) from roller (6).

4.

Remove two bearings (5) from roller (6).

5.

Remove grease fitting (8) from shaft (7).

1.

Install two bearings (5) in roller (6).

2.

Install grease fitting (8) in shaft (7).

3.

Install shaft (7) in roller (6).

4.

Install two braces (4) on shaft (7) with two new cotter pins (3).

Install two roller braces (4) on boom (1) with four screws (2) and new locknuts (9).

4-906