4415516 PLATE-WEAR(LH) Caterpillar parts
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Illustration 1 g00690891
Inspection of the connecting rod parallel alignment.
(1) Measuring pins
(2) Connecting rod
(A) Measure the distance 100 mm (3.94 inch) from the connecting rod.
(B) Measure the distance between the center of the bore for the piston pin bearing and the center of the connecting rod bearing bore.
Use the appropriate tools in order to measure the distances for the connecting rod (2).
Appropriate gauges for measuring distance
Measuring pins (1)Note: The connecting rod bearings should be removed before taking the measurements.
Measure the connecting rod for distortion and parallel alignment between the bores. The measurements must be taken at distance (A). Distance (A) has a value of 100 mm (3.94 inch) from both sides of the connecting rod.Measure length (B).The total difference in measurements of length (B) from each side should not vary more than 0.08 mm ( 0.0031 inch).
Inspect the piston pin bearing and the piston pin for wear and other damage.
Measure the clearance of the piston pin in the piston pin bearing. Refer to Specifications, "Connecting Rod" for clearance dimensions.