TM-5-4310-389-14
2.
Compare the readings with the specifications in table 4-5.
3.
Measure all journals at points 1 and 2, in the vertical and horizontal, as indicated by a and b (figure 5-68).
NOTE
Width 3 should also be measured on the journal for a locating bearing.
Figure 5-68. Measuring Points on Journal
4.
Note the measurements on the inspection records sheets and compare with the specifications in table 4-5.
NOTE
For maximum permissible deviations from roundness, straightness, true run, and parallelism of all
shaft journals and crankpins, also adjacent ones, see drawings. Wear limit for ovalness is 0.0008-
inch (0.02 mm).
5.
With a dial indicator, check the other journals for out-of-trueness (figure 5-69).
6.
Check the working surface of the radial packing ring on the flywheel flange.
7.
Replace the crankshaft and bearings, if defect.
5-41