TM 5-3805-258-24-13S04 DIRECT INJECTION VEHICULAR ENGINESPECIFICATIONSWITH SCROLL FUEL SYSTEMFLYWHEEL HOUSING BORENOTE: Write the dial indicator measurements with their po-sitive (+) and negative (–)notation (signs). This notation isnecessary for making the calculations in the chart correctly.1. With the dial indicator in position at (C), adjust the dial indicator to“O” (zero). Push the crankshaft up against the top bearing. Writethe measurement for bearing clearance on line 1 in column (C).2. Divide the measurement from Step 1 by 2. Write this number on line1 in column (B)&(D).3. Turn the crankshaft to put the dial indicator at (A).Adjust the dialindicator to’ ‘O” (zero).4. Turn the crankshaft counterclockwise to put the dial indicator at(B).Write the measurement in the chart.5. Turn the crankshaft counterclockwise to put the dial indicator at(C).Write the measurement in the chart.6. Turn the crankshaft counterclockwise to put the dial indicator at(D). Write the measurement in the chart.7. Add lines I & II by columns.8. Subtract the smaller number from the larger number in line Ill incolumns (B) &(D). The resultis the horizontal “eccentricity” (outofround).Line Ill, column (C) is the verticaleccentricity.ICHARTFOR DIAL INDICATORMEASUREMENTSIPositionofdid indioatorLineNo.AacoCwraction for bearing cketanceIoDial IndicatorRaadimIIoTotal of Line 1 & 2Illo“*“““‘Total Vertical eccentricity (out of round).. .~utirwt the ~aIIer NO. from the larger No. The diffemxe isthe total horizontal eccentrkity.Al 0Z24X I9. On the graph for total eccentricity find the point of intersection ofthe lines for verticaleccentricity and horizontal eccentricity.10. If the point of intersection is in the rangemarked “Acceptable”, theboreis in alignment. If the point of intersection is in the rangemarked’ ‘Not Acceptable”, the flywheel housing mustbe changed.2-28
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