Detroit Diesel 4000 Series, Service Manual, Page: 452 / 2706

SERIES 4000 12/16V SERVICE MANUAL
3. Measure I.D. of main bearing bore with shells installed. See Figure 232.
1. Bore Gage
Figure 232 Measuring I.D. of Main Bearing Bore
[a] If measuring points or limit values are exceeded, replace main bearing shells.
[b] If measuring points or limit values are not exceeded, continue inspection.
4. Enter measurement values in data sheet.
5. After measuring main bearing bore I.D., mark bearing shell according to bearing shell
number, if necessary.
NOTE:
Loosen nuts of one bearing at a time, refer to section C 031.05.05.
6. Loosen and remove main bearing cap stabilizer.
All information subject to change without notice.
C -306
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