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TM 5-4320-305-24
4-11. REPLACE/REPAIR CONNECTING ROD ASSEMBLY (Continued)
7
Measure connecting rod bore (1) with inside micrometer. Bore (1) should measure 1.6929 to 1.6935 inches (43.0 to
43.015 mm). If measurement is outside specified limits, replace connecting rod.
8
Visually inspect connecting rod for bending, warping, cracking, rust, or other damage. Check for cracks using MIL-
1-6868 magnetic particle inspection. Replace if twisted or bent. Grind or replace if indications of cracks are
revealed by magnetic particle inspection. Stamp the cylinder number on a replacement connecting rod and
bearing cap.
4-85
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