FIGURE 4-42. Measuring Mean Diameter of Rod Journal.

TM 55-1905-223-24-4

(2) Measure and record the mean diameter of rod journal on the crankshaft (FIGURE 4-42).

Diameter: minimum 2.7150 inch (68.962 mm)

maximum 2.7170 inch (69.013 mm)

Out of Roundness: 0.002 inch (0.050 mm)

Taper:

0.0005 inch (0.013 mm)

Clearance:

0.0035 inch (0.089 mm)

FIGURE 4-42. Measuring Mean Diameter of Rod Journal.

NOTE

Bearing clearance can be determined with plastigage during assembly.

ASSEMBLY

CAUTION

Be sure "FRONT" marking on piston and the numbers on the rod and

cap are oriented as illustrated in FIGURE 4-43.

FIGURE 4-43. Orienting Piston and Rod.

4-35