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 78 of 644
ALL HYDRAULIC FUNCTIONS INOPERATIVE - Continued
d.
Loosen jam nut (Figure 7, Item 1).
e.
Read transducer T-3 hydraulic pressure on the HDC display
(Figure 8, Item 1), as assistant moves right-hand SUSPENSION CONTROL lever to RAISE and
EJECTOR CONTROL lever to BACK.
f.
Rotate relief valve adjustment (Figure 7, Item 2) clockwise to increase pressure; counterclockwise to
decrease pressure.
1
T00414HDC
2
Figure 7.
Main Pump Relief Valve 13R.
g.
When transducer T-3 pressure indicates 3,950-4,050 psi (27,235-27,925 kPa) on the HDC display
(Figure 8, Item 1), tighten jam nut (Figure 7, Item 1).
T00412HDC
4
3
2
1
Figure 8.
Hydraulic Diagnostic Center (HDC) Control Box.
TM 5-2350-378-23&P
0006
0006-8
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