MIL-DTL-11891G(AT)
APPENDIX B
B.3.24 Final report. The test site shall prepare a final technical report at the completion
of testing. The report shall include as a minimum the following:
a.
Data collected. Include copies of TIRs for track related failures.
b.
Summary of test findings and conclusions.
c.
Photographs, tables, and charts to reflect test findings and conclusions.
d.
If more than one contractor is attempting qualification testing at one time, test
results shall be grouped by contractor.
TABLE VII. T154 track hardware inspection and replacement criteria.
ITEM
ACTIVITY
INSPECTION OR ACTION
REFERENCE
Track
1. Inspect
Visual observation of overall condition with specific
Strand
Daily
attention to the road/grouser interface.
2. Replace
When 20% of the original track shoes have been
replaced (or now require replacement) due to
wearout.
Track
1. Inspect
Visually check for cracked, broken or bent pins.
Pin
Daily
2. Replace
When pin broken, bent or cracked.
Shoe*
Bushing
1. Inspect
Visually check for dead blocks or extruded bushing.
Daily
2. Replace
When dead blocks are found or a bushing is
Fig. 12
Shoe*
completely extruded (pin to shoe body contact).
Roadwheel
1. Inspect
Visually check for (1) cracks, chunks or cuts.
Path Rubber
Daily
(2) Obvious lack of roadwheel support due to
blowout, or chunking.
2. Replace
When more than 50% of rubber is lost on one or both
Fig. 13
Shoe*
sides of the grouser.
Track shoe
1. Inspect
Visually check for cracked shoes, crushed binocular
Body
Daily
tubes, and loose or lost backing rubber.
2. Replace
When shoe body cracked, binocular tube crushed, or
pad mounting hole enlarged, or unable to remove
defective pad.
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