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 229 of 644

HYDRAULIC OIL OVERHEATS - Continued

1

T01338HDC

Figure 24.

Directional Control Valve (DCV) Bank.

d.

Using LINE UP or LINE DOWN button (Figure 23, Item 3) select V1 on HDC display (Figure 23, Item 2).

e.

Close V1 on HDC display (Figure 23, Item 2) by selecting CHANGE POSITION button

(Figure 23, Item 4) on HDC control box.

f.

Start engine.

g.

Loosen jam nut (Figure 25, Item 1) on ejector relief valve.

2

T01340HDC

1

Figure 25.

Ejector Relief Valve.

h.

While observing transducer T-2 hydraulic pressure on HDC display (Figure 23, Item 1); turn relief valve

adjustment (Figure 25, Item 2) clockwise (to increase pressure) or counterclockwise (to decrease

pressure) until hydraulic pressure is within limits.

i.

Tighten jam nut (Figure 25, Item 1) on ejector relief valve.

j.

Stop engine; relieve hydraulic pressure.

k.

Enable ejector; manually open V23 (Figure 24, Item 1) on DCV bank.

l.

Using LINE UP or LINE DOWN button (Figure 23, Item 3) select V1 on HDC display

(Figure 23, Item 2). Close V1 on HDC display (Figure 23, Item 2).

m.

Open V1 on HDC display (Figure 23, Item 2) by selecting CHANGE POSITION button

(Figure 23, Item 4) on HDC control box.

n.

Stop engine; relieve hydraulic pressure.

TM 5-2350-378-23&P

0015

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