TM 5-3805-255-14
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ENGINE CONTINUED
Piston Pins
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Piston pin is hardened steel and anchors piston to connecting rod. Pin is retained in piston by retainer rings that
lock into grooves of pin bore. Pin floats in its bushing in upper end of rod. Aluminum alloy of piston is an excellent
bearing material and no bushing is required between pin and piston.
Figure 2. Exploded View of Piston Assembly.
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