TM 55-2840-254-23
1-120 DETERMINE DEPTH OF DAMAGE FROM CHAFING, DENTING, SCRATCHING,
1-120
GOUGING, OR WEAR (Continued)
d. Determine thickness of undamaged area of
surfaces (4). Use outside caliper (6).
e. Measure set thickness on outside caliper (6).
Use thickness gage or inside micrometer cali-
per. Record as Dimension B.
f. Subtract Dimension A from Dimension B.
Answer is depth of damage.
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