Crankshaft and Bearings Clean and Inspect (General)

1. Clean the crankshaft in solvent and dry the crankshaft with compressed air.
2. Measure the following areas:
^ The crankpins for the out-of-round, the taper, or the undersize with a micrometer.
^ The crankshaft run-out at the front and the rear intermediate journals with a dial indicator (Support the crankshaft front and the rear journals on V-blocks.).
3. Replace or recondition the crankshaft if the measurements are not with the specifications.
^ Crankshaft Journal:
- Diameter #1 62.199-62.217 mm (2.4488-2.4495 inch.)
- Diameter #2, #3 62.191-62.215 mm (2.4485-2.4494 inch.)
- Diameter # 4 62.179-62.203 mm (0.0011-0.0023 inch)
- Taper-Production 0.0076 mm (0.0003 inch) Max.
- Out-of-Round-Production 0.005 mm (0.0002 inch) Max.
- Out-of-Round-Service Limit 0.025 mm (0.001 inch) Max.