z There are 4 kinds as above, and the crankshaft also can be used by " R " regrinding as above. " R " ① Crank pin 'R' : 4.0 0 -0.5 ② Crank journal 'R' : 4.0 0 -0.5 " R " " R " " R " EFM2048I NOTE : In case of crankshaft regrinding, the “R part” at the end of bearing must accurately be ground without fail and should avoid any processed jaw or coarse surface b) Run out of crankshaft z Place the crankshaft on the V- z Place the dial gauge on the block.
surface plate and measure the run out of crankshaft rotating the crankshaft EA0M4023 2) Inspection on crankshaft bearing and connecting rod bearing Inspection z Inspect the crankshaft bearing and connecting rod bearing for any damages such as lopsided wear, scratch etc. and if abnormal, replace it. z Inspect the oil clearance between the crankshaft and bearing. a) How to utilize the cylinder gauge z Assemble the main bearing at the cylinder block and after tightening the bearing cap at the specified torque, measure the inside diameter.
EA0M4019 Inspection - 73 - Standard Limit 0.06 mm 0.4 mm Journal bearing nominal diameter 103.98 ~ 104.00 mm Bearing cap Bolt torque Initial 30 kg⋅m + angle 90°