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 52 of 790
TM 5--2350--378--24&P
0004 00--27
INTRODUCTION TO TROUBLESHOOTING AND REPAIR OF THE M9 ACE HYDRAULIC
SYSTEM -- Continued
0004 00
LOCKING AND DISABLING EJECTOR
WARNING
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.
1.
When working in the bowl, always engage the ejector lock (Figure 23, item 1) to prevent the ejector
from being extended (FWD) or retracted (BACK).
2.
The ejector can also be disabled by disconnecting the ejector cylinder or manually closing HDC system
ejector disable valve V23 (Figure 24
,i
tem 1) on the DCV bank.
3.
If necessary, disable the ejector from the hydraulic system by disconnecting CONT VLV--21 hose
(Figure 23, item 2) from elbow (Figure 23, item 3) at port 21 and CONT VLV--22 hose (Figure 23, item 5)
from elbow (Figure 23, item 4) at port 22 on ejector control valve. Cap and plug hoses and fittings.
Figure 23. Locking and Disabling Ejector
Figure 24. HDC System Ejector Disable Valve V23
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