TM 5-4310-382-13
Table 4-2. Maximum Wear Tolerances
ITEM NOMENCLATURE
NORMAL DIMENSION
MAXIMUM ALLOWABLE WEAR
Piston Pin
21.094 mm (0.8311 in) dia.
21.080 mm (0.8306 in) dia.
First Stage
99.960 mm (3.9384 in) dia.
99.980 mm (3.9392 in) dia.
Cylinder Bore
Second Stage
55.972 mm (3.1509 in) dia.
55.980 mm (3.1512 in) dia.
Cylinder Bore
NOTE
Rings must be placed into properly sized cylinder before measuring gap between
ends of rings.
Ring Gaps
.800 mm (.031 in) gap max.
First Stage
Ring Gaps
.550 mm (.022 in) gap max.
Second Stage
4-17