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 253 of 644

HYDRAULIC OIL OVERHEATS - Continued

T01363HDC

3

4

1

2

3

4

Figure 44.

Suspension Raise/Lower Relief Valve 3L and Relief Valve 3R.

f.

Tighten jam nut (Figure 44, Item 3).

g.

Using LINE UP or LINE DOWN button (Figure 43, Item 3), select V15 on HDC display

(Figure 43, Item 2). Open V15 on HDC display (Figure 43, Item 2) by selecting CHANGE POSITION

button (Figure 43, Item 4) on HDC control box.

h.

For 3L (Figure 44, Item 1); repeat above steps, closing and opening solenoid valve V16 as instructed,

using left-hand SUSPENSION CONTROL lever, adjusting suspension raise/lower relief valve 3L

adjusting screw (Figure 44, Item 4) for port 3L and monitoring hydraulic pressure at transducer T-1.

i.

Stop engine; relieve hydraulic pressure.

CONDITION/INDICATION

Can pressure at suspension relief valves be adjusted to 3,450-3,550 psi

(23,788-24,477 kPa)?

DECISION

YES - Verify problem is solved.

NO - Replace DCV bank (TM 5-2350-262-20).

TM 5-2350-378-23&P

0015

0015-51