TM 5-1940-322-24
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PISTON AND CONNECTING ROD MAINTENANCE (Contd)
Table 1. Piston and Connecting Rod Wear Limits.
WEAR LIMITS/CLEARANCE
ITEM
ITEM/POINT OF MEASUREMENT
NO.
MIN
MAX
3
Skirt Diameter
4.0088 in. (101.823 mm)
4.0107 in. (101.887 mm)
7
Intermediate Ring Groove
0.003 in. (0.075 mm)
0.0059 in. (0.150 mm)
6
Oil Ring Groove
0.0016 in. (0.040 mm)
0.0016 in. (0.040 mm)
9
Piston Pin Bore
1.5750 in. (40.006 mm)
1.5758 in. (40.025 mm)
10
Piston Pin Diameter
1.5744 in. (39.990 mm)
1.5749 in. (40.003 mm)
11
Connecting Rod Pin Bore
2.7150 in. (68.962 mm)
2.7170 in. (69.013 mm)
1
0.50 in. (12.7 mm)
3
2
1
FEELER GAUGE
9
8
~
TELESCOPIC
4
GAUGE
5
TELESCOPIC
GAUGE
7
6
2
11
10
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