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 128 of 790

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

0008 00--7

APRON, BILGE PUMP, AND LEFT--HAND WHEEL CONTROL INOPERATIVE -- Continued

0008 00

MAIN RELIEF VALVE PRESSURE TEST -- CONTINUED

WARNING

S

Do not operate ejector when personnel are in bowl. Do not work in

bowl unless ejector lock is engaged. Failure to comply may result in

severe injury or death to personnel.

S

Do not stand or work in bowl area unless ejector lock is engaged. Do

not stand in bowl to observe roller guide travels. Failure to comply

may result in severe injury to personnel.

Disable ejector by manually closing the ejector inhibit ball valve V23 (Figure 4, item 1) on

the DCV bank. Using LINE UP or LINE DOWN button (Figure 5, item 3), select V1 on

the HDC display (Figure 5, item 2). Close V1 on the HDC display (Figure 5, item 2) by

selecting the CHANGE POSITION button (Figure 5, item 4) on the HDC control box.

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

move the EJECTOR CONTROL lever to BACK. Read transducer T--3 hydraulic pres-

sure on the HDC display (Figure 5, item 1).

While simultaneously holding the EJECTOR CONTROL lever in BACK, have assistant

move the right--hand SUSPENSION CONTROL lever to RAISE. Read transducer T--3

hydraulic pressure on the HDC display (Figure 5, item 1).

Figure 4. DCV Bank

Figure 5. HDC Control Box