TM-9-2320-272-10
TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)
TECHNICAL MANUAL; OPERATOR'S MANUAL
SEPTEMBER 2004
CHANGE 2
TM-9-2320-272-10 - Page 15 of 481
ii
Change 2
TM 9-2320-272-10
REPORTING ERRORS AND RECOMMENDING IMPROVEMENTS
You can help improve this publication. If you find any mistakes or if you know of a way
to improve the procedures, please let us know. Submit your DA Form 2028
(Recommended Changes to Equipment Technical Publications), through the Internet,
on the Army Electronic Product Support (AEPS) website. The Internet address is
http://aeps.ria.army.mil. If you need a password, scroll down and click on “ACCESS
REQUEST FORM.” The DA Form 2028 is located in the ONLINE FORMS
PROCESSING section of the AEPS. Fill out the form and click on SUBMIT. Using this
form on the AEPS will enable us to respond quicker to your comments and better
manage the DA Form 2028 program. You may also mail, fax or email your letter or DA
Form 2028 direct to: AMSTA-LC-CI Tech Pubs, TACOM-RI, 1 Rock Island Arsenal,
Rock Island, IL 61299-7630. The email address is TACOM-TECH-PUBS@ria.army.mil.
The fax number is DSN 793-0726 or Commercial (309) 782-0726.
DISTRIBUTION STATEMENT A — Approved for public release; distribution is unlimited.
This change supersedes a portion of LO 9-2320-272-12, dated June 1990.
Page
. . . . . . . . . . . . . . . . . . . . .
iii
CHAPTER 1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-1
Section I.
General Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-1
II.
Equipment Description
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-8
III.
Principles of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-27
CHAPTER 2
. . . . . . . . . . . . . . . . . . . . .
2-1
Section I.
Description and Use of Operator’s Controls and Indicators .
2-1
II.
. . . . . . . . . . .
2-28
III.
Operation Under Usual Conditions . . . . . . . . . . . . . . . . . . . .
2-100
IV.
Operation Under Unusual Condition . . . . . . . . . . . . . . . . . . . .
2-201
V.
Operation of Special Purpose Kits . . . . . . . . . . . . . . . . . . . . . .
2-217
CHAPTER 3
. . . . . . . . . . . . . . . . . .
3-1
I.
Lubrication Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-1
II.
. . . . . . . . . . . . .
3-2
III.
Maintenance Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-23
APPENDIX A
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
A-1
REFERENCES
TROUBLESHOOTING PROCEDURES
MAINTENANCE INSTRUCTIONS
PREVENTIVE MAINTENANCE CHECKS
AND SERVICES (PMCS)
OPERATING INSTRUCTIONS
INTRODUCTION
HOW TO USE THIS MANUAL
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