BASIC BLOCKTM 5-3805-263-14&P-24. The difference between the lower and highermeasurements taken at all four points must notbe more than 0.15 mm (.006 in.), which is themaximum permissible bore runout (radial ec-centricity) of the flywheel.5. Runout (eccentricity) of the bore for the pilotbearing for the flywheel clutch, must not exceed0.13 mm (.005 in.).1-74TESTING AND ADJUSTINGOIL PUMP INSTALLATIONThe oil pump can be removed for inspection andservice without removing the timing gear cover.With the cover in place, timing marks are not easyto see. Therefore, time both balancer shafts, withrespect to No. 1 piston at TC or compressionstroke, in the following steps.1.2.3.4.5.6.7.Rotate the crankshaft to bring No. 1 piston toTC on compression stroke.Drive dowel (7) back so it is flush withmounting face of oil pump mounting bracket.Rotate both balancer shafts so the flat portionis away from the oil pan plate. Install bolts (6)so they enter in countersunk holes in balancershafts and limit shaft movement. The boltsshould not be tight against the shaft counter-sunk hole bottom.Position oil pump on bottom of engine blockand install the mounting bolts loosely.Install shims if necessary, between pumpmounting pads and cylinder block to adjustbacklash to .002 to .006 in. (0.05 to 0.15 mm)between gear (4) and (5) and between gears(2) and (3).Drive dowel (7) back in place, through mount-ing bracket and into cylinder block. Tightenthe mounting bolts.Remove bolts (6) and check to see that thecountersunk holes are aligned with holes in oilpan plate when No. 1 cylinder is in TCposition.Timing mark alignment information shown inthe SPECIFICATIONS is to be used when thetiming gear cover is removed.
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