SUPPORT 7N6381 - Caterpillar

Illustration 1 g00480024
(1) Cylinder head studsInstall the cylinder head studs with the following procedure:
Coat the lower half of each stud with 1.5 mm (0.06 inch) thick coating of 4C-4774 Water and Temperature Resistant Grease .
Thoroughly clean the top of the cylinder block.
Install the cylinder head studs.Tighten the cylinder head studs to the following torque. ... 100 20 N m (75 15 lb ft)
Apply a bead of sealant at the top of the block around each stud. This will ensure that the counterbore is filled with grease.
Coat the upper half of each stud with 1.5 mm (.06 inch) thick coating of 4C-4774 Water and Temperature Resistant Grease . (2) Apply 8T-9014 Silicone Sealant to the covers when the covers are installed to the block. (3) The dowels protrude from the rear face of the cylinder block at the following distance. ... 20.0 1.0 mm (0.79 0.04 inch) (4) The dowels protrude from the front face of the cylinder block at the following distance. ... 20.0 1.0 mm (0.79 0.04 inch)
Illustration 2 g00480025
Front view of cylinder block (5) The dowels protrude above the cylinder block face at the following distance. ... 60.0 1.0 mm (2.36 0.04 inch) (6) The dowels protrude above the cylinder block face at the following distance. ... 8.0 1.0 mm (0.32 0.04 inch) (7) Procedure for tightening the main bearings
Torque the studs in the cylinder block.Torque for the studs ... 100 20 N m (75 15 lb ft)
Assemble the main bearing cap and the washer. Hand tighten the nut.
Tighten all side bolts by hand. Ensure that the washer face and the side bolt threads have a clean coating of 4C-5593 Anti-Seize Compound . Ensure that all surfaces that contact the bearing are free of 4C-5593 Anti-Seize Compound .
Start at the front face of the block.Tighten the side bolts on the side of the cap with the tab slot to the following torque. ... 215 40 N m (160 30 lb ft)
Simultaneously tension each pair of the studs with either of the following tensioners: 207-5034 Stud Tensioner Tool Gp ... 65000 2400 kPa (9425 350 psi) 191-5320 Stud Tensioner Tool Gp ... 111500 3950 kPa (16200 575 psi)Tighten the nuts by hand. Slowly release the pressure.
Repeat Step 5. (8) Bore in the block for main bearings ... 265.000 0.020 mm (10.4330 0.0008 inch)1.00 mm (0.040 inch) oversize ... 266.000 0.020 mm (10.4724 0.0008 inch)2.00 mm (0.080 inch) oversize ... 267.000 0.020 mm (10.5118 0.0008 inch) (9) Tighten the side bolts according to the following procedure.
Start at the front face of the block.Tighten the side bolts on the side of the cap opposite the tab slot to the following torque. ... 215 40 N m (160 30 lb ft)
Start at the front face of the block.Tighten the side bolts on the side of the cap with the tab slot to the following torque. ...