TM 5-2350-378-23&P
FIELD MAINTENANCE
GENERAL INFORMATION
SCOPE
Type of Manual: Field Maintenance
Model Number and Equipment Name:
M9 ACE HDC - Armored Combat Earthmover, Hydraulic Diagnostic Center.
Purpose of Equipment: Reduce maintenance time when vehicle's hydraulic system fails.
MAINTENANCE FORMS, RECORDS, AND REPORTS
Department of the Army forms and procedures used for equipment maintenance will be those prescribed by
DA PAM 750-8, The Army Maintenance Management System (TAMMS).
REPORTING EQUIPMENT IMPROVEMENT RECOMMENDATIONS (EIR)
If your Hydraulic Diagnostic Center (HDC) needs improvement, let us know. Send us an EIR. You, the user, are the
only one who can tell us what you do not like about your equipment. Let us know why you do not like the design or
performance. If you have Internet access, the easiest and fastest way to report problems or suggestions is to follow
the instructions and links below:
For ALL non-Aviation/Missile Warranty, EIR and PQDRs must be submitted through the Web Product Quality
Deficiency Reporting (PQDR) site. The Web PQDR site is: http://www.nslcptsmh.csd.disa.mil/webpqdr/
webpqdr.htm. New accounts can be established at the following address: http://www.nslcptsmh.csd.disa.mil/
accessforms/uarform.htm.
You may also submit your information using an SF 368 (Product Quality Deficiency Report). You can send your
SF 368 using e-mail, regular mail, or fax using the addresses/fax numbers specified in DA PAM 750-8, The Army
Maintenance Management System (TAMMS) Users Manual. We will send you a reply.
CORROSION PREVENTION AND CONTROL (CPC)
Corrosion prevention and control (CPC) of Army materiel is a continuing concern. It is important that any corrosion
problems with this item be reported so that the problem can be corrected and improvements can be made to prevent
the problem in future items. Corrosion specifically occurs with metals. It is an electrochemical process that causes
the degradation of metals. It is commonly caused by exposure to moisture, acids, bases, or salts. An example is the
rusting of iron. Corrosion damage in metals can be seen, depending on the metal, as tarnishing, pitting, fogging,
surface residue, and/or cracking. Plastics, composites, and rubber can also degrade. Degradation is caused by
thermal (heat), oxidation (oxygen), solvation (solvents), or photolytic (light, typically UV) processes. The most
common exposures are excessive heat or light. Damage from these processes will appear as cracking, softening,
swelling, and/or breaking.
SF Form 368, Product Quality Deficiency Report, should be submitted to the address specified in DA PAM 750-8,
The Army Maintenance Management System (TAMMS) Users Manual.
DESTRUCTION OF MILITARY EQUIPMENT TO PREVENT ENEMY USE
When the tactical situation requires that Army materiel be abandoned, refer to TM 750-244-6, Procedures for
Destruction of Tank-Automotive Equipment to Prevent Enemy Use.
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