MTU Detroit Diesel 183 Series Technical Publication page 167

Task Description
20080/1 E 98-12
Insert a guide mandrel (arrows) at both the top and
bottom crankshaft ends and remove crankshaft.
Guide mandrel 403 589 02 63 00.
Remove bearing shell halves from crankcase and
allocate to respective crankshaft bearing caps.
Check components for wear and damage.
Note
The bearing shells for the crankshaft are supplied ex
works ready for installation. No reconditioning must be
carried out. The alignment bearing is supplied oversized
for repair purposes. The crankshaft must be reground
according to bearing shell width. Maintain the
crankshaft axial clearance.
Refer to the Tolerance and Wear Limits List for values;
03-4352 and 03-4465.
Storage
Clean bearings in crankcase and bearing caps with
chamois leather only.
Insert bearing shell halves in correct sequence into
crankcase and crankshaft bearing cap and lubricate.
Note
Locking lugs (arrow) of bearing shells must sit in
grooves of main bores and of crankshaft bearing caps.
Oil bores in bearing shells and in crankcase must be
aligned.
Install marked crankshaft bearing cap with bearing
shells into crankcase.
Group 03
Subgroup 4352
Page 3