MIL-DTL-11891G(AT)
APPENDIX C
TABLE IX. T107 track hardware inspection and replacement criteria.
ITEM
ACTIVITY
INSPECTION OR ACTION
REFERENCE
Track
1. Inspect
Visual observation of overall
Strand
Daily
condition with specific attention to the
road/grouser interface.
Fig. 20
2. Replace
When 20% of the original track shoes
have been replaced (or now require
replacement) due to wearout.
Track Pin
1. Inspect
Visually check for cracked, broken or
Daily
bent pins.
2. 500 miles
Hammer-Ring check at site discretion.
Fig. 18
3. Replace
When pin broken, bent or cracked.
Shoe
Bushing
1. Inspect
Visually check for dead blocks or
Daily
extruded bushing.
2. Replace
When dead blocks are found or a
Fig. 19
Shoe
bushing is completely extruded (pin to
shoe body contact).
Roadwheel
1. Inspect
Visually check for (1) cracks, chunks
Path Rubber
Daily
or cuts. (2) Obvious lack of
roadwheel support due to blowout, or
chunking.
2. Replace
When more than 50% of rubber is
Fig. 20
Shoe
lost.
Track Shoe
1. Inspect
Visually check for cracked shoes.
Body
Daily
Daily crushed binocular tubes, and
loose or lost backing rubber.
2. Replace
When shoe body cracked, binocular
tube crushed.
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