WEICHAI & PSI SERVICE MANUALS AVAILABLE ONLINE AT FLYPARTSGUY.COM Weichai America Corp. 11.7 Assembly and disassembly of crankshaft bearing shell 11.7.1 Exploded view of crankshaft bearing shell Fig. 11- 11 Exploded view of crankshaft bearing shell 11.7.2 Steps to disassemble crankshaft bearing shell Push the shells out with hand, and mark the removed shells (should be corresponded with holes on engine block and crankcase). 11.7.3 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. 11.7.4 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. Revision: August 2019 68 GET YOUR WEICHAI & AFTERMARKET SERVICE PARTS AT FLYPARTSGUY.COM