3304 VEHICULAR ENGINESTM 5-3805-263-14&P-2SPECIFICATIONSFLYWHEEL HOUSING BORENOTE: Write the dial indicator measurements with their positive (+)and negative (-) notation (signs). This notation is necessary formaking the calculations in the chart correctly.1.2.3.4.5.6.With the dial indicator in positron at (C). adjust the dial Indicatorto “0” (zero). Push the crankshaft up against the top bearing.Write the measurement for bearing clearance on line 1 in column(C).Divide the measurement from Step 1 by 2. Write this number online 1 in columns (B) & (D).Turn the crankshaft to put the dial indicator at (A). Adjust the dialindicator to “0” (zero).Turn the crankshaft counterclockwise to put the dial Indicator at(B). Write the measurement in the chart.Turn the crankshaft counterclockwise to put the dial indicator at(C). Write the measurement in the chart.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 III incolumns (B) (D). The result is the horizontal “eccentricity” (out ofround). Line III, column (C) is the vertical eccentricity.CHART FOR DIAL INDICATOR MEASUREMENTSPosition ofdial indicatorLineNo.ABCDConnection for bearing clearenceI0Dial indicator ReadingII0Total of line 1 & 2III0* *** **Total Vertical eccentricity (out of round).**Subtract the smaller No. from the larger No. The difference isthe total horizontal eccentricityA10234X19. On the graph for total eccentricity find the point of intersectionof the lines for vertical eccentricity and horizontal eccentricity.10. If the point of intersection is in the range marked “Acceptable”the bore is in alignment. If the point of intersectron is in the rangemarked “Not Acceptable” the flywheel housing must be changed.1-250
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