TM-5-2350-378-23-P
ARMORED COMBAT EARTHMOVER (ACE), M9; HYDRAULIC DIAGNOSTIC CENTER
TECHNICAL MANUAL; FIELD MAINTENANCE MANUAL INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST
JUNE 2012
TM-5-2350-378-23-P - Page 15 of 644
TABLE OF CONTENTS
Page No.
WP Sequence No.
HOW TO USE THIS MANUAL .
...........................................................................................................................
xxi
Chapter 1 - GENERAL INFORMATION, EQUIPMENT DESCRIPTION, AND THEORY OF
OPERATION
GENERAL INFORMATION.
...............................................................................................................
WP 0001
EQUIPMENT DESCRIPTION AND DATA.
........................................................................................
WP 0002
Figure 1. Hydraulic Diagnostic Center (HDC) Control Box.
.........................................................
0002-2
Figure 2. Hydraulic Diagnostic Center (HDC) Control Box Locator.
............................................
0002-4
Figure 3. M9 ACE Hydraulic System Major Components.
...........................................................
0002-5
Figure 4. M9 ACE Hydraulic System Major Components.
...........................................................
0002-6
THEORY OF OPERATION.
...............................................................................................................
WP 0003
Figure 1. Main Hydraulic Accumulator.
........................................................................................
0003-2
Figure 2. Bowl Area Major Components.
.....................................................................................
0003-3
Figure 3. Hydraulic Suspension Components.
............................................................................
0003-4
Figure 4. DCV Bank.
....................................................................................................................
0003-7
Chapter 2 - TROUBLESHOOTING PROCEDURES
INTRODUCTION TO USING THE HYDRAULIC DIAGNOSTIC CENTER (HDC) SYSTEM TO
TROUBLESHOOT THE M9 ACE HYDRAULIC SYSTEM.
......................................................
WP 0004
Figure 1. Hydraulic Diagnostic Center (HDC) Control Box Installation.
.......................................
0004-4
Figure 2. Wiring Harness W4 (Umbilical Cable W4) Installation.
.................................................
0004-5
Figure 3. Wiring Harness W4 (Umbilical Cable W4) Installation.
.................................................
0004-6
Figure 4. Wiring Harness W4 (Umbilical Cable W4) Removal.
....................................................
0004-7
Figure 5. Wiring Harness W4 (Umbilical Cable W4) Removal.
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0004-8
Figure 6. Stowage of Hydraulic Diagnostic Center (HDC) Control Box.
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0004-9
TROUBLESHOOTING INDEX.
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WP 0005
TROUBLESHOOTING PROCEDURES - ALL HYDRAULIC FUNCTIONS INOPERATIVE.
.............
WP 0006
Figure 1. Hydraulic Return Line Filter.
.........................................................................................
0006-2
Figure 2. Main Pump.
..................................................................................................................
0006-3
Figure 3. Hydraulic Diagnostic Center (HDC) Control Box.
.........................................................
0006-
4
TM 5-2350-378-23&P
iii
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