TM-5-2350-378-24-P

HYDRAULIC DIAGNOSTIC CENTER (HDC) SUPPORTING ARMORED COMBAT EARTHMOVER (ACE), M9

TECHNICAL MANUAL; UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST

TM-5-2350-378-24-P - Page 322 of 790

TM 5--2350--378--24&P

0016 00--19

HYDRAULIC OIL OVERHEATS -- Continued

0016 00

Figure 9. HDC Control Box

Figure 10. DCV Bank

SUSPENSION RELIEF VALVE PRESSURE TEST -- CONTINUED

Have assistant start engine and move SPRUNG/UNSPRUNG lever to UNSPRUNG and

right SUSPENSION CONTROL lever to LOWER. Read transducer T--13 pressure on

the HDC display (Figure 9, item 1).

Stop engine; relieve hydraulic pressure.

Using LINE UP or LINE DOWN button (Figure 9, item 3) on the HDC control box, select

V5 on the HDC display (Figure 9, item 2). Using the CHANGE POSITION button

(Figure 9, item 4), open V5 on the HDC display (Figure 9, item 2). Repeat step for V12,

V13 and V19, opening V12 and V13, and closing V19.

Manually open the ejector inhibit ball valve V23 (Figure 10, item 1) on the DCV bank.