CHAPTER 2. CARE, MAINTENANCE, AND INSPECTION (Con't)
SECTION III. UNIT MAINTENANCE (Con't)
2-31. TIRE REPAIR PROCEDURES -TEMPORARY STRING REPAIR.
This Task Covers: Repair
Tire mounted on rim and inflated to normal
operating pressure .
Awl, scratch (Item 4, Appendix B).
Hand file (Item 20. Appendix B).
File handle (Item 28. Appendix B).
Shears (Item 47, Appendix B)
Pneumatic tire puncture repair kit (Item 72,
Any outside-to-in tire repair, like string repair is considered only a temporary fix to
provide get home capability. A permanent and complete repair includes inspection
of the tire for further damage, filling voids in the injured area and applying the
appropriate patch or patch/plug combination from the inside of the tire outward.
Failure to completely repair a tire may cause the tire to eventual fail, which could
result in equipment damage, injury or death.
1. Using an awl, gently and gradually probe
injury. Do not force awl abruptly through tire.
Note direction of penetration through tire and
possible accumulation of foreign substances.
2. If foreign substances are present. use a hand
file to clean out the injury .
Needle length may be adjusted for larger and
3. Some pneumatic puncture repair kits come with an
injector tool that has an adjustable needle for inserting
the string compound. If your injector tool is adjustable
adjust needle length to a minimum of 2 inches (5.1 cm).
Non-adjustable injector tools are standard size and will
also work with just about any truck tire size or smaller.