ADAPTER 5P2145 - Caterpillar

(1) Depth of bore in block for liner ... 10.19 0.03 mm (.401 .001 in.) For height of liner over top of block make reference to CYLINDER LINER PROJECTION.(2) Camshaft bearing bore (installed) ... 58.801 0.061 mm (2.3150 .0024 in.) Bore in block for camshaft bearings ... 65.100 0.025 mm (2.5630 .0010 in.)Depth to install camshaft bearings at both ends of block ... 1.5 0.5 mm (0.6 0.2 in.) The camshaft bearing at the front of the block must be installed with oil holes in a horizontal position and joint at top within 15° from vertical.(3) Bore in block for main bearings (standard size) ... 96.926 0.013 mm (3.8160 .0005 in.) Bore in block for main bearings .020 in. (.051 mm) oversize ... 96.434 0.013 mm (3.8360 .0005 in.)(4) Dimension from center of main bearing bore to top of cylinder block (new) ... 393.700 0.165 mm (15.500 .0065 in.)(5) Dimension from center of main bearing bore to bottom of cylinder block (new) ... 153.988 0.102 mm (6.0625 .0040 in.)(6) Torque for bolts that hold bearing caps for main bearings: a. Put 2P2506 Thread Lubricant on threads and washer face.b. Tighten all bolts to ... 40 4 N m (30 3 lb.ft.)c. Put a mark on each bolt and cap.d. Tighten all bolts from mark ... 90°(7) Clearance between main bearing caps and cylinder block 0.033 mm (.0013 in.) tight to 0.043 mm (.0017 in.) loose Main bearing cap width ... 165.095 0.020 mm (6.4998 .0008 in.)Width of cylinder block for main bearing cap ... 165.100 0.018 mm (6.5000 .0007 in.) Install bearing caps with the part number toward the front of the engine. Be sure that the mark (number) on the bearing cap next to the bolt hole is in agreement with the mark in the cylinder block.
There are holes in the bores for the main bearings, between the cylinders for piston cooler orifices. These holes must have orifices (8) installed.
(9) Distance to install dowels from top of block ... 9.7 0.5 mm (.38 .02 in.)(10) Distance to install stud from face of block ... 15.7 0.5 mm (.62 .02 in.)(11) Distance to install dowels from rear face of block ... 12.7 mm (.50 in.)(12) Distance to install dowels from front face of block ... 22.4 0.5 mm (.88 .02 in.)