Section I. GENERAL
a. This technical manual contains instructions for Direct Support and General Support Maintenance of the M919
Concrete-Mobile Mixer Body.
b. Appendix A contains a list of current references, including supply manuals, forms, technical manuals, and
other available publications applicable to the Concrete-Mobile.
Maintenance Forms, Records, and Reports. Maintenance forms, records, and reports which are to be used by
maintenance personnel at all maintenance levels are listed in and prescribed by DA Pam 738-750.
Quality Assurance/Quality Control (QA/QC).
a. No particular quality assurance or quality control technical manuals pertain specifically to the M919 Concrete-
Mobile Mixer Body. Use standard QA/QC procedures.
b. Defective material received through the supply system should be reported on a Quality Deficiency Report
(QDR), SF 368. The prepared QDR's should be mailed direct to: Commander, U.S. Army Tank-Automotive Command,
ATTN: AMSTA-MVB, Warren, Michigan 48397-5000. A reply will be furnished direct to you.
Calibration Procedures. There are
no calibration requirements applicable
to the Direct Support and General
Support maintenance level.
Reporting Equipment Improvement Recommendations (EIR). If your mixer needs improvement, let us know.
Send us an EIR. You, the user, are the only one who can tell us what you don't like about your equipment. Let us know
why you don't like the design. Tell us why a procedure is hard to perform. Put it on an SF 368 (Quality Deficiency Report).
Mail it to us at: Commander, U.S. Army Tank-Automotive Command, ATTN: AMSTA-MP, Warren, MI 48397-5000. We'll
send you a reply.
Destruction of Army Materiel to Prevent Enemy Use. Procedures outlined in TM 750-244-6 (Procedures for
Destruction of Tank-Automotive Equipment to Prevent Enemy Use) are applicable to this equipment.
Section II. DESCRIPTION AND DATA
Description. The M919 Concrete-Mobile Mixer Body (hereafter referred to as the mixer body) is a chassis-
mounted concrete mixing unit. Ingredients are stored in separate bins and tanks, to be mixed into concrete at the job site.
The mixer body carries enough material to produce 6-8 yards of concrete with a discharge time of 150-200 seconds per
yard (depending on the mix design).
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