TM-5-2350-377-14-P
ARMORED COMBAT EARTHMOVER (ACE), M9
TECHNICAL MANUAL; OPERATOR'S, UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL (INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST) SUPPORTING THE HYDRAULIC BLADE FOLDER-TRACK TENSIONER (HBF-TT)
TM-5-2350-377-14-P - Page 92 of 335
TM 5-2350-377-14&P
SPOOL VALVE CHECKS
NOTE
No attempt should be made to fold or unfold blade in
UNSPRUNG mode.
•
To test spool valve, fold and unfold blade in SPRUNG mode.
•
Have assistant start engine.
•
Have blade in folded position; to unfold blade, lift manual override spool valve Z4 (9).
•
Have blade in unfolded position; to fold blade, depress manual override spool valve Z4 (9).
•
Stop engine; relieve hydraulic pressure.
OIL FLOW TEST
NOTE
Have suitable container ready to catch oil.
•
Disconnect HYDR-MAN-IN-9 hose (4) from elbow (3) at port P on track and blade manifold (5).
Cap elbow (3).
•
While holding open end of hose (4) in suitable container, have assistant start engine.
Check
for free flow of hydraulic oil from hose (4).
•
Stop engine; relieve hydraulic pressure.
Connect hose (4) to elbow (3).
Perform M9 ACE HBF-TT
troubleshooting, refer to WP 0008 00-18.
0008 00
0008 00-51
3
4
5
9
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