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 507 of 790

TM 5--2350--378--24&P

APPARENT HDC SYSTEM PROBLEM -- Continued

0022 00

YES

YES

NO

NO

44

Replace HDC control box.

NO

NO

43

Is a “BIT FAULT, DO NOT USE FOR TESTING” message,

or any abnormal group of characters displayed?

Replace HDC control box.

47

45

Does control box perform a start--up BIT and

display a “PASS” message?

Power off HDC system. Wait a few moments,

then power up HDC system again.

46

Continue with HDC system functional

check--out.

HDC control box now appears to have passed

start--up BIT.

NO

from block 7

0022 00--24/25 blank