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 221 of 644

HYDRAULIC OIL OVERHEATS - Continued
j.
Reference main relief valve 13L (Figure 15, Item 4) jam nut (Figure 15, item 3), adjusting screw
(Figure 15, Item 2), and pressure transducer T-4 (Figure 16, Item 1) on HDC display, when adjusting 13L
main relief valve (Figure 15, Item 4).
k.
Stop engine; relieve hydraulic pressure.
l.
Enable ejector; manually open V23 (Figure 17, Item 1) on DCV bank.
1
T01326HDC
Figure 17.
Directional Control Valve (DCV) Bank.
m.
Using LINE UP or LINE DOWN button (Figure 16, Item 3) select V1 on HDC display
(Figure 16, Item 2).
n.
Open V1 on HDC display (Figure 16, Item 2) by selecting CHANGE POSITION button
(Figure 16, Item 4) on HDC control box.
CONDITION/INDICATION
Is transducer T-3 hydraulic pressure 3,950-4,050 psi (27,235-27,925 kPa)?
DECISION
YES - Stop engine, relieve hydraulic pressure. Verify problem is solved.
NO - Stop engine, relieve hydraulic pressure. Replace Directional Control Valve (DCV) bank
(TM 5-2350-262-20).
TM 5-2350-378-23&P
0015
0015-19


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