TM-5-2350-262-20-3
ARMORED COMBAT EARTHMOVER (ACE), M9
TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL; VOLUME 3 OF 3; HYDRAULIC TROUBLESHOOTING TEST PROCEDURES
TM-5-2350-262-20-3 - Page 17 of 319
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Change 1
LIST OF PROCEDURES
Hydraulic troubleshooting procedures included in this manual are listed below and on the following
pages.
Use the table of contents for page reference by chapter and section, and use the alphabetical index
for page cross reference to procedures by component/part name.
General Hydraulic System Repair.
.......................................................................................
2-6
Installation of Adjustable Fittings .
......................................................................................
2-11
Preliminary Troubleshooting Procedures.
............................................................................
3-3
Suspending the M9 for Suspension System Checks.
..........................................................
3-6
Relieving Hydraulic System Pressure.
.................................................................................
3-7
Accumulator Dump Valve Installation .
.................................................................................
3-8
General Suspension Troubleshooting Information .
...........................................................
3-10
Actuator Port Identification and Description.
......................................................................
3-11
Locking and Disabling Ejector.
...........................................................................................
3-13
All Hydraulic Functions Inoperative .
..................................................................................
3-16
Apron, Bilge Pump, and Left-Hand Wheel Control Inoperative .
........................................
3-28
Apron Will Not Raise .
.........................................................................................................
3-34
Bump Stops Inoperative .
....................................................................................................
3-42
Ejector Creeps.
...................................................................................................................
3-52
Ejector Does Not Extend or Retract .
..................................................................................
3-62
Front Corner (left or Right) Raises in SPRUNG, But Not UNSPRUNG Mode .
.................
3-84
Front Corner (Left or Right) Raises in UNSPRUNG, But Not SPRUNG Mode .
..............
3-110
Front Corner (Left or Right) Does Not Raise in SPRUNG or UNSPRUNG Mode .
.........
3-124
Hydraulic Oil Overheats .
..................................................................................................
3-132
Left Rear Corner Does Not Raise in SPRUNG or UNSPRUNG Mode .
..........................
3-172
Rear of Vehicle Raises in SPRUNG, But Not UNSPRUNG Mode .
.................................
3-178
Right Rear Corner Raises in SPRUNG, But Not UNSPRUNG Mode .
............................
3-190
Right Rear Corner Raises in UNSPRUNG, But Not SPRUNG Mode .
............................
3-194
Vehicle Does Not Respond to Driver Controls .
...............................................................
3-200
Winch and Right-Hand Wheel Control Inoperative .
.........................................................
3-210
Winch Will Not Pull Rated Load .
......................................................................................
3-216
Track (Left or Right) Will Not Tighten or Loosen, Semi Automatic Track
Adjuster (NEW PRODUCTION) .
..................................................................................
3-232
Front Corner (Left or Right) Does Not Raise or Lower in UNSPRUNG Mode,
Semi-Automatic Track Adjuster (NEW PRODUCTION) .
.............................................
3-238
Left or Right Track Adjuster Will Not Extend After Suspension Control
Levers Are Returned to Neutral, Semi-Automatic Track Adjuster
(NEW PRODUCTION) .
................................................................................................
3-244
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TM 5-2350-262-20-3
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