3-66
DE620A
13. Remove the main bearing caps from the main
bearing saddles; then install the bearing inserts
into the correct locations.
DE376
14. Install the main bearing caps and tighten to 44
ft-lb; then being careful not to mar the inserts,
measure the main bearing bores using an appropri-
ate inside micrometer/snap gauge. Record the
measurements.
DE609
DE610
15. Measure the crankshaft main bearing journals and
record the measurements.
DE619
16. Subtract the crankshaft journal measurement from
the corresponding main bearing bore. The clear-
ance must be within specifications.
DE609A
DE614A
CAUTION
Always support the crankshaft equally at the main
bearing journals or stand the crankshaft on the fly-
wheel end. Do not drop or strike the crankshaft or
engine damage caused by crankshaft misalignment
may occur.
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