Crankshaft, Engine

Crankshaft, Engine
Inspect Crankshaft
Set the dial indicator as shown in the illustration and measure the crankshaft thrust clearance. If the thrust clearance exceeds the specified limit, replace the thrust bearings as a set.
Thrust Clearance
Standard 0.06 mm - 0.24 mm (0.0024 inch - 0.0094 inch)
Limit 0.30 mm (0.0118 inch)





Carefully set the crankshaft on the V-blocks. Slowly rotate the crankshaft and measure the runout. If the crankshaft runout exceeds the specified limit, the crankshaft must be replaced.
Runout 0.06 mm (0.0024 inch)






Measure the diameter and the uneven wear of main journal and crank pin. If the crankshaft wear exceeds the specified limit, crankshaft must be replaced.
Main journal diameter 63.918 mm - 63.933 mm (2.5165 inch - 2.5170 inch)
Crank pin diameter 53.922 mm - 53.937 mm (2.1229 inch - 2.1235 inch)
Uneven wear limit 0.005 mm (0.0002 inch)