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 21 of 790
TM 5--2350--378--24&P
0002 00--4
EQUIPMENT DESCRIPTION AND DATA -- Continued
0002 00
EQUIPMENT DATA
Hydraulic Diagnostic Center
Size
Length -- 11”
Width -- 10”
Depth -- 2.75”
Weight
15 pounds
SCOPE
This section contains information that is useful when performing Hydraulic Diagnostic Center (HDC) troubleshoot-
ing tasks on the M9 ACE. The following information is provided in this section:
Equipment Characteristics, Capabilities, and Features
Safety, Care, and Handling
PURPOSE
The Hydraulic Diagnostic Center (HDC) is used for troubleshooting the hydraulic system and components.
CAPABILITIES AND FEATURES
Highly mobile
Efficient and accurate
User Friendly
Time saving
PURPOSE
The Hydraulic Diagnostic Center (HDC) is a diagnostic tool used to troubleshoot the hydraulic system of the M9
ACE vehicle.
SAFETY, CARE, AND HANDLING
Warnings are listed in the warning summary in front of the manual, at the beginning of each task in the initial set-
up, and before specific steps where they apply in the maintenance tasks. In addition to these warnings, always
keep in mind the following when working on the M9 ACE and HDC:
The hydraulic system operates at pressures up to 4,500 psi (31,028 kPa).
Ensure the upper apron lockpins are installed any time personnel are working on the apron or dozer blade
and any time the apron is raised.
Never operate the ejector when personnel are in the bowl.
Always place support stands under the hull before crawling under the vehicle. The vehicle suspension
will settle down after the engine has been shut off.
Always remove all jewelry such as rings, dog tags, bracelets, watches, etc., and ensure batteries are dis-
connected at the negative terminals before working on the electrical system.
END OF WORK PACKAGE
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