TM 5-3810-307-24-1-2
Measure the inside diameter of the piston end of the
connecting rod.
If the l.D. exceeds 17.513 mm [0.6895-inch], replace the
connecting rod.
Measure the outside diameter of the piston pin.
Piston Pin
mm
in
17.455
MIN
0.6872
17.465
MAX
0.6876
Inspect the piston top and pin bore for cracks.
Inspect the ring grooves and skirt for damage.
Replace if damaged.
Measure the outside diameter of the piston.
Measure at 6.35 mm [0.25-inch] above the bottom of the
piston skirt and at right angle to the piston pin bore.
Replace if worn smaller than 91.87 mm [3.617 in].
12-38 Change-1