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 240 of 644

HYDRAULIC OIL OVERHEATS - Continued

STEP

26.

Perform main accumulator pressure test.

WARNING

•

High-pressure nitrogen gas is used in this equipment. Keep hands and face away

from valves and hose ends. Failure to comply may result in severe injury or death

to personnel.

•

Do not breathe nitrogen gas. Failure to comply may result in severe injury or death

to personnel.

a.

Connect pressure measuring device (Figure 34, Item 4) to bleed valve (Figure 34, Item 10) on charging

harness (Figure 34, Item 12). Close shutoff valve (Figure 34, Item 3).

b.

Open nitrogen tank valve (Figure 34, Item 1) and adjust regulator valve (Figure 34, Item 2) to 50 psi

(353 kPa).

c.

Open shutoff valve (Figure 34, Item 3) for about 10 seconds to clear charging hoses. Close valve

(Figure 34, Item 3).

d.

Remove valve guard (Figure 34, Item 11).

e.

Remove charge valve cap (Figure 34, Item 8) from charge valve assembly (Figure 34, Item 6) on

accumulator (Figure 34, Item 9).

f.

Loosely connect adapter valve (Figure 34, Item 5) to charge valve (Figure 34, Item 6) and again open

shutoff valve (Figure 34, Item 3) for about 10 seconds.

g.

Close shutoff valve (Figure 34, Item 3).

h.

Fully tighten adapter valve (Figure 34, Item 5).

NOTE

Accumulator gas valve is fully open after about 2-1/2 turns.

i.

Open charge valve (Figure 34, Item 6) by loosening nut (Figure 34, Item 7).

j.

Read pressure measuring device (Figure 34, Item 4).

TM 5-2350-378-23&P

0015

0015-38