TM 5-3810-300-24&P-3
1.6.1
CONNECTING ROD
Cross-Head Type Piston
The connecting rod (Fig. 11) is forged to an "I" section
with an open or saddle type contour at the upper end and
a bearing cap at the lower end. The bearing cap and
connecting rod are forged in one piece and bored prior to
separation.
The upper end of the connecting rod is machined to
match the contour of the piston pin. The piston pin is
secured to the connecting rod with two self-locking bolts
and spacers. The lower bearing cap is secured to the
connecting rod by two specially machined bolts and nuts.
Lubricating oil is forced through a drilled oil passage in
the connecting rod to the piston pin and bushing. A
service connecting rod includes the bearing cap and the
attaching bolts and nuts.
Fig. 11 - Connecting Rod Details
Fig. 12 - Magnetic Particle Inspection Limits for Connecting Rod
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