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 194 of 644
FRONT CORNER (LEFT OR RIGHT) RAISES IN UNSPRUNG, BUT NOT SPRUNG MODE - Continued
CONDITION/INDICATION
Is linkage correctly adjusted? Can it be adjusted?
DECISION
YES - Replace DCV bank (TM 5-2350-262-20).
NO - Repair or replace DCV linkage (TM 5-2350-262-20).
STEP
10.
Perform forward manifold pressure test using HDC.
a.
Stop engine; relieve hydraulic pressure.
b.
Reset all HDC solenoid valves by selecting RESET VALVES button (Figure 7, Item 5) on HDC control
box.
c.
For front left (left forward manifold): Using LINE UP or LINE DOWN button (Figure 7, Item 3), select V9
on HDC display (Figure 7, Item 2).
d.
Close V9 on HDC display (Figure 7, Item 2) by selecting CHANGE POSITION button (Figure 7, Item 4)
on HDC control box.
e.
Have assistant start engine and move SPRUNG/UNSPRUNG control valve lever to SPRUNG mode.
f.
Read transducer T-7 hydraulic pressure on HDC display (Figure 7, Item 1).
g.
For front right (right forward manifold): Using LINE UP or LINE DOWN button (Figure 7, Item 3), select
V10 on HDC display (Figure 7, Item 2).
h.
Close V10 on HDC display (Figure 7, Item 2), by selecting CHANGE POSITION button
(Figure 7, Item 4) on HDC control box.
i.
With SPRUNG/UNSPRUNG control valve lever still in SPRUNG mode, read transducer T-8 hydraulic
pressure on HDC display (Figure 7, Item 1).
j.
Stop engine; relieve hydraulic pressure.
k.
Reset all HDC solenoid valves by selecting RESET VALVES button (Figure 7, Item 5) on HDC control
box.
TM 5-2350-378-23&P
0013
0013-10
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