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 212 of 790
TM 5--2350--378--24&P
0012 00--25
EJECTOR DOES NOT EXTEND OR RETRACT -- Continued
0012 00
Figure 17. HDC Control Box
Figure 18. Ejector Control
EJECTOR CIRCUIT PRESSURE CHECK
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 or death to personnel.
S
When folding dozer blade, work on blade latches from side of vehicle
only. Do not stand In front of dozer blade while retracting ejector.
Failure to comply may result in severe injury or death to personnel.
Reset all HDC solenoid valves by selecting the RESET VALVES button (Figure 17,
item 2) on the HDC control box.
Have assistant start engine and actuate EJECTOR CONTROL lever (Figure 18, item 1)
to BACK position. Read transducer T--2 hydraulic pressure on the HDC display
(Figure 17, item 1). Pressure should be 3,950--4,050 psi (27,235--27,925 kPa).
Stop engine; relieve hydraulic pressure.
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