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 266 of 790

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

0013 00--41

FRONT CORNER (LEFT OR RIGHT) RAISES IN SPRUNG, BUT NOT UNSPRUNG MODE --

Continued

0013 00

Figure 24. HDC Control Box

Figure 25. DCV Bank

MAIN RELIEF VALVE ADJUSTMENT -- CONTINUED

Stop engine; relieve hydraulic pressure.

Repeat the previous steps for main relief valve 13R using the right--hand SUSPENSION

CONTROL lever and observe transducer T--3 hydraulic pressure on the HDC display

(Figure 24, item 1).

Stop engine; relieve hydraulic pressure.

Enable ejector by manually opening ejector inhibit ball valve V23 (Figure 25, item 1) on

the DCV bank. Using LINE UP or LINE DOWN button (Figure 24, item 3), select V1 on

HDC display (Figure 24, item 2). Open V1 on the HDC display (Figure 24, item 2) by

selecting the CHANGE POSITION button (Figure 24, item 4) on the HDC control box.