TM-5-2350-378-24-P
HYDRAULIC DIAGNOSTIC CENTER (HDC) SUPPORTING ARMORED COMBAT EARTHMOVER (ACE), M9
TECHNICAL MANUAL; UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST
TM-5-2350-378-24-P - Page 64 of 790
TM 5--2350--378--24&P
0005 00--5
USING THE HYDRAULIC DIAGNOSTIC CENTER (HDC) SYSTEM TO TROUBLESHOOT
THE M9 HYDRAULIC SYSTEM -- Continued
0005 00
l.
Confirm that the HDC Control Box displays the pressure transducer number, hydraulic line pressure,
solenoid valve number, valve power status (on/off) (PWR), and valve position (open/closed) status similar
to Table 1 (for the solenoid valves). (Note: a CIRCUIT FAULT message indicates a disconnected or
malfunctioning wire harness, electrical cable, or defective component.
Check all connections in the
event of a CIRCUIT FAULT message as shown in the test display example on Figure 2).
Figure 2. Typical HDC Control Box Test Display (Not The Start--up Display)
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