Crankshaft and Bearing Clean and Inspect
Crankshaft and Bearings Cleaning and InspectionCleaning Procedure
1. Clean the following components in solvent:
^ Crankshaft bearings
^ Connecting rod bearings
^ Crankshaft journals
^ Crankpin journals
^ Crankshaft oil passages
^ Crankshaft threaded holes
2. Caution: Refer to Safety Glasses Caution in Service Precautions.
Dry the following components with compressed air:
^ Crankshaft bearings
^ Connecting rod bearings
^ Crankshaft journals
^ Crankpin journals
^ Crankshaft oil passages
^ Crankshaft threaded holes
Visual Inspection
1. Perform the following visual inspections:
^ Inspect the crankshaft balancer bolt hole (1) for thread damage.
^ Inspect the crankshaft balancer mounting area (2) for damage.
^ Inspect the crankshaft sprocket pin hole (3) for damage.
^ Inspect the oil pump drive flats (4) for damage.
^ Inspect the crankshaft main journals (5) for damage.
^ Inspect the crankshaft connecting rod journals (6) for damage.
^ Inspect the crankshaft oil passages (7) for obstructions.
^ Inspect the crankshaft main bearing thrust wall surfaces (8) for damage.
^ Inspect the crankshaft counterweights (9) for damage.
^ Inspect the crankshaft reluctor ring teeth (10) for damage.
^ Inspect the crankshaft rear main oil seal surface (11) for damage.
^ Inspect the crankshaft engine flywheel mounting surface (12) for damage.
^ Inspect the crankshaft pilot hole (13) for damage.
^ Inspect the crankshaft engine flywheel bolt holes (14) for thread damage.