85089 3 Mercury IMPELLER

View From Right Side Of Cylinder Block(1) Thickness of spacer plate ... 8.585 0.025 mm (.3379 .0009 in)Thickness of gasket that is placed between spacer plate and cylinder block ... 0.208 0.025 mm (.0081 .0009 in)Height of liner over spacer plate, under installation pressure ... 0.13 0.08 mm (.005 .003 in)(2) Height of four dowels above top surface of cylinder block: End dowels (Put 7M7456 Bearing Mount Compound on two end dowels at installation) ... 18.5 0.5 mm (.73 .02 in)Middle dowels ... 16.0 0.5 mm (.63 .02 in)(3) Dimension (new) from centerline of crankshaft bearing bore to top of block (top deck) ... 425.45 0.15 mm (16.750 .006 in)Minimum dimension from centerline of crankshaft bearing bore to top of block (top deck) ... 425.02 mm (16.733 in) The flatness across the whole contact surface of the block must be within 0.10 mm (.004 in) and within 0.05 mm (.002 in) for any 177 mm (7.0 in) section of the surface. The surface finish specification is 3.2 micrometers (125 micro inches) maximum.(4) Tighten four bolts to a torque of ... 30 7 N m (22 5 lb ft)(5) Bore in block for camshaft bearings ... 76.835 0.018 mm (3.0250 .0007 in)Install bearings with the oil holes in the bearings on the horizontal centerline. make sure the bearing joint position is above the oil holes.(6) Bore in the block for main bearings:Standard original size (new) ... 129.891 0.013 mm (5.1138 .0005 in) 0.64 mm (.025 in) larger than original size ... 130.526 0.013 mm (5.1388 .0005 in) (7) Distance from front or rear face of cylinder block to end dowels ... 19.1 0.5 mm (.75 .02 in)(8) Tighten plug to a torque of ... 35 7 N m (26 5 lb ft)(9) Width of the main bearing cap ... 215.900 0.025 mm (8.5000 .0010 in)Width of block for main bearing cap ... 215.900 0.013 mm (8.5000 .0005 in)Press fit between sides of main bearing cap and cylinder block ... 0.038 mm (.0015 in)tight to ... 0.038 mm (.0015 in) loose.(10) Tighten two plugs to a torque of ... 70 10 N m (50 7 lb ft)
Tightening Procedure For Main Bearing Cap Bolts(11) Torque for the bolts that hold the caps for the main bearings: Install the main bearing caps with the marks (arrow) toward the front of the engine. Install each cap in the correct position by putting the number stamped on the bottom of the cap toward the corresponding number cast on left side of the cylinder block at the pan rail.a. Put 4C5593 Anti-Seize Compound on the threads of the bolts.b. Tighten the bolts first on the bearing tab side of the cap to ... 258 14 N m (190 10 lb ft)c. Tighten the bolts on the opposite side of the bearing tab side to ... 258 14 N m (190 10 lb ft)d. Put a mark on each bolt and cap.e. Tighten the bolts on the opposite side of the bearing tab side, from the mark ... 120 5 degreesf. Tighten the bolts on the bearing tab side of the cap, from the mark ... 120 5 degrees(12) Dimension (new) from centerline of crankshaft bearing bore to bottom of block (pan rails) ... 165.10 0.10 mm (6.5000 .004 in)(13) Torque for bolts holding piston cooling tubes ... 35 3 N m (26 2 lb ft) Minimum possible clearance between piston and piston cooling tube ... 0.64mm (.025 in)