WEICHAI WD10 Service Manual - page 85
Service Manual for WD10 Diesel Engine
75
446 Disassembly, Inspection, Maintenance and Assembly of Crankshaft
Bearing Shell
4461 Exploded View of Crankshaft Bearing Shell
Crankshaft
Main bearing lower shell
Main bearing upper shell
Fig. 4-40 Exploded view of crankshaft bearing shell
4462 Steps to Disassemble Crankshaft Bearing Shell
Push the shells out with hand, and mark the removed shells (should be corresponded with fitting
holes on engine block and crankcase).
4463 Inspection and Maintenance of Crankshaft Bearing Shell
(1) Clean the bearing shells and check their wear condition.
(2) Check and ensure there is no peeling, locating lip damage and transverse crack on the shell.
4464 Steps to Assemble Crankshaft Bearing Shell
(1) Clean up main bearing shells and the fitting holes.
(2) If no shell is replaced, then install the two shells into engine block (upper) and crankcase (lower)
respectively (pay attention to the mark, shells should be installed into corresponding holes on
engine block and crankcase), do not mix upper and lower shells, the one with oil groove is
upper one. The shell lips should be aligned and applied with engine oil.