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 TM 9-2815-226-34-1
Table 3-1. REPAIR AND REPLACEMENT STANDARDS (Cont)
WEAR
NEW
NEW
COMPONENT
LIMIT
MINIMUM
MAXIMUM
Dowel Protrusion
0.220 in.
0.250 in.
(5.588 mm)
(6.350 mm)
Dowel Press-Fit in Cap
0.0001 in.
0.0006 in.
(0.0025 mm)
(0.0152 mm)
Piston
Skirt Diameter at 70F (21C)
5.483 in.
5.487 in.
5.488 in.
(139.268 mm)
(139.369 mm)
(139.395 mm)
Piston Pin Bore
Inside Diameter at 70F (21 C)
2.000 in.
1.9985 in.
1.998 in.
(50.800 mm)
(50.7620 mm)
(50.7746 mm)
Piston Pin
Outside Diameter
1.9985 in.
1.9987 in.
1.9990 in.
(50.7619 mm)
(50.7682 mm)
(50.774 6 mm)
Piston Ring Gap in Travel
Area of Liner
No. 1 Gap
0.023 in.
0.033 in.
(0.584 mm)
(0.838 mm)
No. 2 Gap
0.019 in.
0.029 in.
(0.482 mm)
(0.736 mm)
No. 3 Gap
0.019 in.
0.029 in.
(0.482 mm)
(0.736 mm)
No. 4 (Oil Ring) Gap
0.010 in.
0.025 in.
(0.254 mm)
(0.635 mm)
NOTE
Add 0.003 in. (0.076 mm) ring gap to new maximum for each 0.001 in. (0.025 mm)
wear in cylinder liner wall inside diameter.
3-8
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