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 233 of 644
HYDRAULIC OIL OVERHEATS - Continued
c.
Disable ejector; manually close V23 (Figure 28, Item 1) on DCV bank.
1
T01345HDC
Figure 28.
Directional Control Valve (DCV) Bank.
d.
Using LINE UP or LINE DOWN button (Figure 27, Item 3), select V1 on HDC display
(Figure 27, Item 2).
e.
Close V17 on HDC display (Figure 27, Item 2) by selecting CHANGE POSITION button
(Figure 27, Item 4) on HDC control box.
f.
Using LINE UP or LINE DOWN button (Figure 27, Item 3), select V17 on HDC display
(Figure 27, Item 2).
g.
Close V17 on HDC display (Figure 27, Item 2) by selecting CHANGE POSITION button
(Figure 27, Item 4) on HDC control box.
h.
Start engine.
i.
As assistant holds APRON CONTROL lever in UP position, loosen jam nut (Figure 29, Item 1) while
observing transducer T-1 hydraulic pressure on HDC display (Figure 27, Item 1).
j.
Rotate adjusting screw (Figure 29, Item 2) clockwise to increase pressure; counterclockwise to decrease
pressure, as necessary to obtain desired pressure. Tighten jam nut (Figure 29, Item 1).
2
T01346HDC
1
Figure 29.
Apron Relief Valve.
k.
Stop engine; relieve hydraulic pressure.
TM 5-2350-378-23&P
0015
0015-31
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