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 91 of 335
TM 5-2350-377-14&P
6
BLADE WILL NOT FOLD OR UNFOLD IN SPRUNG MODE
NOTE
No attempt should be made to fold or unfold blade in UNSPRUNG mode.
1
Perform spool valve check.
Does blade fold or unfold?
To block 4
2
Perform oil flow test.
Is there a free flow of oil?
3
Replace spool valve X2.
Verify problem is solved.
NO
YES
YES
NO
0008 00
0008 00-50
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