TM 10-4320-307-244-17CRANKSHAFTASSEMBLYREPLACE/REPAIR(CONT )CAUTIONMain bearing cap puller must becentered on cap.NOTEThere are six different part numberbearing shells. Mark shells withjournal number from which theyare re-moved.d.Use main bearing cap puller (11), remove seven bearing caps (8) with seven lower main bearing shells (12) and seven main bearing rings (13).NOTEUpper main bearing shells will bere-moved after removingcrankshaft.Upper thrust rings will be removed after re-moving crankshaft.e.Remove two lower thrust rings (14) from theNo. 7 bearing cap (8) and mark as bottomfront and bottom rear thrust rings.CAUTIONDo not lay crankshaft on its side.Stand on end to prevent warpage.4.Lower crankshaft out of cylinder block onto workbench and remove slings.5.Remove seven upper main bearing shells fromcylinder block and seven lower shells frombear-ing caps and mark with journal numberfrom which they are removed.6.Remove two upper thrust rings and mark as upper front and up-per rear thrust rings.4-125
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