Crankshaft, Engine

CRANKSHAFT SIDE CLEARANCE





^ Using a dial gauge, measure the clearance between the thrust bearings and the crankshaft arm when the crankshaft is moved fully forward or backward.
Standard: 0.10 - 0.26 mm (0.0039 - 0.0102 in)
Limit: 0.30 mm (0.0118 in)
^ If the measured value exceeds the limit, replace the thrust bearings, and measure again. If it still exceeds the limit, replace the crankshaft.

OUT-OF-ROUND AND TAPER OF CRANKSHAFT





^ Measure the dimensions at four different points as shown on each journal and pin using a micrometer.
^ Out-of-round is indicated by the difference in dimensions between "X" and "Y" at "A" and "B".
^ Taper is indicated by the difference in dimension between "A" and "B" at "X" and "Y".
Limit
Out-of-round (X - Y): 0.005 mm (0.0002 in)
Taper (A - B): 0.005 mm (0.0002 in)

CRANKSHAFT RUNOUT





^ Place a V-block on a precise flat table to support the journals on both ends of the crankshaft.
^ Place a dial gauge straight up on the No. 3 journal.
^ While rotating the crankshaft, read the movement of the pointer on the dial gauge, the total indicator reading.
Limit: Less than 0.05 mm (0.002 in)

Part 1:

Part 2:

CYLINDER BLOCK





CRANKSHAFT