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 102 of 790
TM 5--2350--378--24&P
ALL HYDRAULIC FUNCTIONS INOPERATIVE -- Continued
0007 00
Figure 5. HDC Control Box
Figure 6. DCV Bank
MAIN HYDRAULIC PUMP TEST
Stop engine; relieve hydraulic pressure.
Reset all HDC solenoid valves by selecting the RESET VALVES button (Figure 5, item 5)
on the HDC control box.
Ensure right main hydraulic pressure inhibit valve V21 (Figure 5, item 1) is fully opened.
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 6, item 2) 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.
Continued on page 0007 00--11.
0007 00--9/10 blank
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