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 TM 55-1905-223-24-5
(12)
To check the ring gap, install the new piston rings in the cylinder liner in which they will be used.
(13)
Use the top part of the piston to position the ring in the liner correctly.
(14)
Use a feeler gauge to inspect the ring gap. Replace the ring if it does not meet the following
specifications:
Piston Ring Gap
Position
MIN
MAX
Top
0.017-inch (0.43 mm)
0.027-inch (0.68 mm)
Second
0.020-inch (0.51 mm)
0.030-inch (0.76 mm)
Third
0.019-inch (0.48 mm)
0.029-inch (0.74 mm)
Oil
0.010-inch (0.25 mm)
0.025-inch (0.64 mm)
NOTE
Add 0.003 inch (0.08 mm) to the maximum limit for each 0.001
inch (0.03 mm) wear in the cylinder inner wall (FIGURE 4-36) .
FIGURE 4-36. Ring Gap.
4-74
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