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 283 of 644
VEHICLE DOES NOT RESPOND TO OPERATOR CONTROLS - Continued
i.
Fully open right main hydraulic pressure inhibit valve V21 (Figure 4, Item 1).
j.
Stop engine; relieve hydraulic pressure.
k.
Manually open ejector inhibit ball valve V23 (Figure 4, Item 2) on DCV bank.
l.
Ensure both valves are fully open.
m.
Using LINE UP or LINE DOWN button (Figure 5, Item 3), select V1 on HDC display (Figure 5, Item 2).
n.
Open V1 on HDC display (Figure 5, Item 2) by selecting CHANGE POSITION button (Figure 5, Item 4)
on HDC control box.
T01606HDC
5
4
3
2
1
Figure 5.
Hydraulic Diagnostic Center (HDC) Control Box.
CONDITION/INDICATION
Does transducer T-3 main hydraulic pump pressure read 3,950-4,050 psi (27,235-27,925
kPa)?
DECISION
YES - Go to Step (5).
NO - Replace main hydraulic pump (TM 5-2350-262-20).
TM 5-2350-378-23&P
0018
0018-5
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