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 62 of 335
TM 5-2350-377-14&P
0008 00
0008 00-21
Step 5. Check manifold wiring harness and hydraulic valve solenoids for continuity.
Disconnect manifold wiring harness (8) from control box (3).
Check continuity between all wiring harness
connector pins (9) at connector (10).
This will also check continuity of the appropriate valve solenoids.
Refer to table 8-3 for lead locations.
If an open circuit is indicated, the fault must be isolated between the manifold wiring harness (8)
or the appropriate valve solenoid.
Go to step 6.
If continuity is indicated, reconnect manifold wiring harness (8) to control box (3), go to step 7.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
2. TRACK (LEFT OR RIGHT) WILL NOT TIGHTEN OR LOOSEN, HBF-TT SYSTEM (ELECTRICAL) - continued
8
9
3
10
L
A
Z1U
L
B
Z1L
L
C
Z2U
L
D
Z2L
M
G
Z4U
M
H
Z4L
HARNESS
CONNECTOR PIN
SOLENOID
PLUG PINS
HARNESS
CONNECTOR
PIN
Table 8-3
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