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 515 of 790
TM 5--2350--378--24&P
0022 00--32
APPARENT HDC SYSTEM PROBLEM -- Continued
0022 00
YES
YES
from block 51
61
Is the “CIRCUIT FAULT” message associated
with a solenoid valve? (“CIRCUIT FAULT”
message is displayed on hydraulic valve status
LCD screen (lower LCD display))?
YES
NO
NO
NO
NO
To block 63
62
HDC system appears to have passed start--up
BIT. Continue to perform HDC system
functional check--out.
60
Power off HDC system, wait a few moments, then
power up HDC system again.
Check all umbilical cable W4 electrical connectors
on HDC control box and umbilical cable disconnect
bracket for proper connections and tightness.
Tighten as necessary.
Is a “CIRCUIT FAULT” message displayed on either
HDC control box LCD screen (upper or lower)?
To block 73
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