Inspection
- Clean the crankshaft oil passages with pipe cleaners or a suitable brush.- Check the keyway and threads.
ALIGNMENT
- Measure runout on all main journals to make sure the crankshaft is not bent.
- The difference between measurements on each journal must not be more than the service limit.
OUT-OF-ROUND AND TAPER
- Measure out-of-round at the middle of each rod and main journal in two places.
- The difference between measurements on each journal must not be more than the service limit.
Journal Out Of Round:
Standard (New): 0.004 mm (0.0002 inch) max.
Service Limit: 0.010 mm (0.0004 inch)
- Measure taper at edges of each rod and main journal.
- The difference between measurements on each journal must not be more than the service limit.
Journal Taper:
Standard (New): 0.005 mm (0.0002 inch) max.
Service Limit: 0.010 mm (0.0004 inch)