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 76 of 335
TM 5-2350-377-14&P
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.
SPOOL AND POPPET VALVE CHECKS
NOTE
To test spool valve, extend and retract track adjusting cylinders. Track
adjusting cylinders can be extended individually but cannot be retracted
individually. However, they can be retracted simultaneously.
•
Have assistant start engine
•
To extend left cylinder, depress manual override spool valve Z2 (2).
•
To extend right cylinder, depress manual override spool valve Z1 (1).
•
To retract both cylinders, lift manual override spool valves Z1 (1) and Z2 (2) simultaneously.
•
Stop engine; relieve hydraulic pressure.
Refer to WP 0029 00.
0008 00
0008 00-35
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