Connecting Rod Preparation Part 2

CONNECTING ROD PREPARATION: Part 4

1.Hand-select rods for minimum flash and die overlap. Equal but not excessive balance pads. Free from nicks and gouges.

2.Brinell hardness 269-321 3.7-3.4 mm dia. of impression. Rockwell "C" 28-34.

3.Magnaflux 100%.

4.Qualify dimensions marked.

5.Grind and polish indicated areas. See Part 1.

6.Shot-peen per note.

ASSEMBLY DETAILS:

1.Fit pins to 0.0007-0.0008-inch in rod.

2.Use new nuts and bolts for final assembly. Oil threads and shank.

3.Stretch rod bolt to 0.006-inch with 50-60 Lb. Ft.

NOTES:

1.Remove minium material when contouring and polishing.

2.Must be free from nicks and scratches.

3.Coining not permitted.

4.Shot-peen bolt head and nut seats after machining to almen 0.012-0.015 A arc height with No. 230 cast steel shot.

5.Finish both crank and piston-pin diameters within these limits.