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 82 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 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
The track adjusting cylinders must be retracted to raise or lower front
corner(s). To test spool valve, extend and retract track adjusting
cylinders.
•
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 Z2 (2) and Z1 (1) simultaneously.
•
Stop engine; relieve hydraulic pressure.
Refer to WP 0029 00.
0008 00
0008 00-41
1
2
3
4
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