Figure 6-2. Crankshaft Assembly

TM 10-3930-644-14&P

Figure 6-2. Crankshaft Assembly

Insert oil-soaked paper strips in the 'Y' blocks to avoid

marring the shaft. The dial indicator reading should be

taken at the center main bearing journal.

The run-out, or total variation in the indicator reading

during one complete revolution of the crankshaft, is

limited to .002". Straighten crankshaft, if necessary, to

be within .002" reading.

Check the connecting rod and main bearing

Figure 6-3. Removing Crank Gear (Typical)

C. CRANKSHAFT INSPECTION AND SERVICING

Check for run-out by mounting the crankshaft in 'V'

blocks at the front and rear main bearing Journals.

Figure 6-4. Crankshaft Fillet Radii

R-104-1

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