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 213 of 644

HYDRAULIC OIL OVERHEATS - Continued

1

T01313HDC

Figure 8.

Directional Control Valve (DCV) Bank.

c.

Using LINE UP or LINE DOWN button (Figure 7, Item 3) on HDC control box, select V5 on HDC display

(Figure 7, Item 2).

d.

Using CHANGE POSITION button (Figure 7, Item 4), close V5 on HDC display (Figure 7, Item 2).

e.

Repeat steps for V12, V13 and V19, closing V12 and V13, and opening V19.

f.

Start engine.

g.

Adjust pressure as follows: remove cap (Figure 9, Item 3) from suspension relief valve adjustment shaft

(Figure 9, Item 2) and loosen jam nut (Figure 9, Item 1).

h.

Turn adjusting shaft (Figure 9, Item 2) clockwise to increase pressure; counterclockwise to decrease

pressure.

T01316HDC

3

1

2

Figure 9.

Suspension Relief Valve.

i.

Read transducer T-13 hydraulic pressure on HDC display (Figure 7, Item 1).

j.

Turn adjusting shaft (Figure 9, Item 2) to obtain proper pressure indication on transducer T-13

(Figure 7, Item 1) on HDC control box.

k.

Tighten jam nut (Figure 9, Item 1) and replace cap (Figure 9, Item 3).

l.

Stop engine; relieve hydraulic pressure.

m.

Using LINE UP or LINE DOWN button (Figure 7, Item 3) on HDC control box, select V5 on HDC display

(Figure 7, Item 2).

n.

Manually open ejector inhibit ball valve V23 (Figure 8, Item 1) on DCV bank.

TM 5-2350-378-23&P

0015

0015-11