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TM 5-2420-231-23-1
FIELD MAINTENANCE
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GENERAL INFORMATION
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SCOPE
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1. Type of Manual. This manual is for use in field maintenance and troubleshooting on the Backhoe Loader
(BHL).
2. Model Numbers and Equipment Names. BHL
3. Purpose of Equipment. The BHL is used for excavation of small emplacements, material handling, moving
earthen materials around a construction site, opening up an underground utility site, and general construction
tasks.
MAINTENANCE FORMS, RECORDS, AND REPORTS
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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) Users Manual; DA PAM 738-751, Functional
Users Manual for the Army Maintenance Management Systems - Aviation (TAMMS-A); or AR 700-138, Army
Logistics Readiness and Sustainability.
REPORTING EQUIPMENT IMPROVEMENT RECOMMENDATIONS (EIR)
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If your BHL 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.
All non-Aviation/Missile EIRs and PQDRs must be submitted through the Product Data Reporting and Evaluation
Program (PDREP) Web site. The PDREP site is: https://www.pdrep.csd.disa.mil/.
If you do not have Internet access, you may submit your information using an SF 368 (Product Quality Deficiency
Report). You can send your SF 368 using email, 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)
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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
Plastics, composites, and rubbers can also degrade. Degradation is caused by thermal (heat) energy, 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, TAMMS Users Manual.
DESTRUCTION OF ARMY MATERIEL TO PREVENT ENEMY USE
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For destruction of Army materiel to prevent enemy use, refer to TM 750-244-3.
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