4. Disassembly, Inspection and Reassembly of Enginesz Dimension R and finishing precision of crankshaftjournal and pinAs for grinding processing of journal and pin,machine it by using the grinding wheel of thedimension R of below table.Surface finishing precision standard on journaland pin:Code No. Standard thickness (mm)Ry=0.8S super polishingSurface finishing precision standard on the thrustside of crankshaft arm:Upper Lower3TNV82A ???119810-02940mmModel Finishing precision standard ofdimension R(Up-down combination) 2.15TNV84 883TNV82ATNV84 88 3.5 +0.3/ 0129150-02940(Up-down combination) 2.15TNV82A 88 0.14 0.22 - 1.930 1.980 1.8504TNV94L 98 0.13 0.23 -4TNV106(T) 0.13 0.23 - 2.430 2.480 2.35If the side gap is exceeded, use an oversized thrust metal.Oversized metal (0.25mm)4TNV94L/98(T)4TNV94L 98 129900-023704TNV106(T) 4.0 +0.3/ 0[NOTICE]129900-02360 2.055 2.1054TNV106(T)1) lf the oil clearance is excessive though the thicknesses of the iournal and crankpin metals arenormal or if partial uneven wear is observed, re-grind the crankshaft and use an oversized metals.2) lf rust or surface roughening exists on the rear side of the metals, coat it with blue or minimum.Then assemble the crankpin metal to the connecting rod, and tighten the rod bolt to the specifiedtorque to check the metal for contact. lf the contact surface occupies 75% or more, the metalis normal. lf the contact surface is insufficient, the metal interference is insufficient.Replace the metal with a new one.123900-02370 123900-02360 2.555 2.605(1) Thrust metal inspection(a) Inspect any damage or wear.(b) Measure side gap and thrust metal thicknessSide gap and thrust metal thickness mmSide gapModel Thrust metal thicknessStandard Limit Standard Limit1.930 1.980 1.850-100
