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 222 of 790
TM 5--2350--378--24&P
EJECTOR DOES NOT EXTEND OR RETRACT -- Continued
0012 00
Figure 26. HDC Control Box
Figure 27. Ejector Control Lever
EJECTOR CYLINDER LEAKAGE TEST
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 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 26,
item 4) on the HDC control box.
Have assistant actuate EJECTOR CONTROL lever (Figure 27, item 1) to move ejector
forward 3/4 of full travel.
Stop engine and relieve hydraulic pressure
Close main ejector valve (V1) on HDC primary manifold. Using LINE UP or LINE DOWN
button (Figure 26, item 2), select V1 on the HDC display (Figure 26, item 1). Close V1
on the HDC display (Figure 26, item 1), by selecting the CHANGE POSITION button
(Figure 26, item 3) on the HDC control box.
Continued on page 0012 00--37.
0012 00--35/36 blank
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