TM-5-2350-378-24-P
HYDRAULIC DIAGNOSTIC CENTER (HDC) SUPPORTING ARMORED COMBAT EARTHMOVER (ACE), M9
TECHNICAL MANUAL; UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST
TM-5-2350-378-24-P - Page 8 of 790
TM 5--2350--378--24&P
i
HEADQUARTERS
DEPARTMENT OF THE ARMY
WASHINGTON, D.C., 26
December
2008
TECHNICAL MANUAL
UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE
(INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST)
FOR
HYDRAULIC DIAGNOSTIC CENTER (HDC)
SUPPORTING
ARMORED COMBAT EARTHMOVER (ACE), M9
REPORTING ERRORS AND RECOMMENDING IMPROVEMENTS
You can help improve this publication. If you find any errors, or if you would like to recommend any improvements to
the procedures in this publication, please let us know. The preferred method is to submit your DA Form 2028
(Recommended Changes to Publications and Blank Forms) through the Internet, on the Army Electronic Product
Support (AEPS) website. The Internet address is https://aeps.ria.army.mil. The DA Form 2028 is located under the
Public Applications section in the AEPS Public Home Page. 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, e--mail, or fax your comments or DA Form 2028 directly to the U.S. Army TACOM Life Cycle
Management Command. The postal mail address is U.S. Army TACOM Life Cycle Management Command, ATTN:
AMSTA--LC--LMPP/TECH PUBS, 1 Rock Island Arsenal, Rock Island, IL 61299--7630. The e--mail address is
tacomlcmc.daform2028@us.army.mil. The fax number is DSN 793--0726 or Commercial (309) 782--0726.
DISTRIBUTION STATEMENT A —
Approved for public release; distribution is unlimited.
TABLE OF CONTENTS
Work Package
WARNING SUMMARY
HOW TO USE THIS MANUAL
v
......................................................................
CHAPTER 1 -- GENERAL INFORMATION, EQUIPMENT DESCRIPTION, AND THEORY OF OPERATION
GENERAL INFORMATION
0001 00
...............................................................
EQUIPMENT DESCRIPTION AND DATA
0002 00
...................................................
THEORY OF OPERATION
0003 00
...............................................................
CHAPTER 2 -- TROUBLESHOOTING
INTRODUCTION TO TROUBLESHOOTING AND REPAIR OF THE
M9 ACE HYDRAULIC SYSTEM
0004 00
..........................................................
USING THE HYDRAULIC DIAGNOSTIC CENTER (HDC) SYSTEM TO TROUBLESHOOT
THE M9 HYDRAULIC SYSTEM
0005 00
..........................................................
TROUBLESHOOTING SYMPTOM
0006 00
.........................................................
ALL HYDRAULIC FUNCTIONS INOPERATIVE
0007 00
..............................................
APRON, BILGE PUMP, AND LEFT--HAND WHEEL CONTROL INOPERATIVE
0008 00
..................
APRON WILL NOT RAISE
0009 00
................................................................
BUMP STOPS INOPERATIVE
0010 00
............................................................
EJECTOR CREEPS
0011 00
......................................................................
EJECTOR DOES NOT EXTEND OR RETRACT
0012 00
.............................................
FRONT CORNER (LEFT OF RIGHT) RAISES IN SPRUNG, BUT NOT UNSPRUNG MODE
0013 00
.......
FRONT CORNER (LEFT OF RIGHT) RAISES IN UNSPRUNG, BUT NOT SPRUNG MODE
0014 00
.......
FRONT CORNER (LEFT OF RIGHT) DOES NOT RAISE IN SPRUNG OR UNSPRUNG MODE
0015 00
...
HYDRAULIC OIL OVERHEATS
0016 00
...........................................................
LEFT REAR CORNER DOES NOT RAISE IN SPRUNG OR UNSPRUNG MODE
0017 00
................
REAR OF VEHICLE RAISES IN SPRUNG, BUT NOT UNSPRUNG MODE
0018 00
.....................
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