TM 10-8340-227-13&P
CHAPTER 5
DIRECT SUPPORT MAINTENANCE INSTRUCTIONS
Section I. REPAIR PARTS; SPECIAL TOOLS; TEST, MEASUREMENT AND DIAGNOSTIC EQUIPMENT (TMDE);
AND SUPPORT EQUIPMENT
5-1. COMMON TOOLS AND EQUIPMENT. For authorized common tools and equipment refer to the Modified Table of
Organization and Equipment (MTOE) applicable to your unit.
5-2. SPECIAL TOOLS, TMDE, AND SUPPORT EQUIPMENT. Refer to Appendix B, Section II, Tool and Test
Equipment Requirements, Maintenance Allocation Chart, for additional tool and equipment requirements.
5-3. REPAIR PARTS. Repair parts are listed and illustrated in Appendix F, Repair Parts and Special Tools List.
Section II. MAINTENANCE PROCEDURES
5-4. GENERAL. Direct Support maintenance functions identified in Section II, Appendix B, consist of machine repair of
sewn components. Procedures for machine stitching are provided in paragraph 5-5. Specific tentage repair procedures
are provided in FM 10-16.
5-5. MACHINE STITCHING. All stitch types, except bartacking, shall conform to FED-STD-751. Type 301 stitching
requires 5-8 stitches per inch. Type 401 stitching requires 6-9 stitches per inch. All stitching is to be 1/8 inch from edge
or 1/8 inch apart, unless otherwise specified. Bartacking shall be free of breaks and loose stitching.
a. Thread Breaks. Thread breaks in stitching shall be overstitched not less than 1 inch at each break on stitch
type 301, and not less than 1 1/2" at each break on stitch type 401. Thread breaks in type 401 may be overstitched with
stitch type 301. Thread breaks noted during inspection must be repaired by overstitching the existing stitching, starting
from a distance of 1 inch beyond the break. The ends of repair stitching are not required to be backstitched.
b. Stitching Ends. The ends of type 301 stitching shall be overstitched not less than 1 inch except where ends are
turned under in a hem or held down by other stitching. Where 301 stitching is performed automatically on stitch patterns
such as box, box with cross-stitch , "W" stitching or straight line tacking, at least three tying, overlapping, or back stitches
shall be used to secure the ends of stitching.
c. Skipped Stitches. Two or more consecutively skipped stitches occurring in type 301 stitching shall be
overstitched not less than 1 inch. Any skipped stitches in type 401 stitching
5-1
