TUBE AS 4255957 - Caterpillar

Illustration 3 g03542550
Table 2
Item Qty Part Specification Description
F - - Bore for camshaft bearing is 85.000 0.015 mm (3.3465 0.0006 inch).
G - - Distance from the centerline of the crankshaft bore to the top surface of the cylinder block is 387.00 mm (15.236 inch).
4 3 3B-0623 Cup Plug Before assembly, apply High Strength or High Temperature Anaerobic Flange Sealant to the bores.
Installation depth is 1.25 0.25 mm (0.049 0.010 inch).
H - - Bore in the cylinder block for the main bearing is 116.000 0.013 mm (4.5669 0.0005 inch).
J - - Distance from the centerline of the crankshaft bore to the bottom surface of the cylinder block is 120.0 mm (4.72 inch).
K 7 207-8572 Bearing Cap Width in the cylinder block for main bearing cap is 177.96 mm (7.006 inch).
Width of the bearing cap (L) is 178.0 mm (7.01 inch).
5 14 223-6546 Bolt Refer to the Disassembly and Assembly manual for the installation procedure.
Illustration 4 g03542551
Table 3
Item Qty Part Specification Description
- Install the camshaft bearings into the cylinder block at the location specified. The distance that is listed below is measured from the front face of the cylinder block.
- - - Dimension (M) is 970.5 0.5 mm (38.21 0.02 inch).
- - - Dimension (N) is 816.5 0.5 mm (32.15 0.02 inch).
- - - Dimension (P) is 660.5 0.5 mm (26.00 0.02 inch).
- - - Dimension (R) is 504.5 0.5 mm (19.86 0.02 inch).
- - - Dimension (S) is 348.5 0.5 mm (13.72 0.02 inch).
- - - Dimension (T) is 192.5 0.5 mm (7.58 0.02 inch).
- - - Dimension (U) is 36.5 0.5 mm (1.44 0.02 inch).
Camshaft bearings must be installed into their correct position. Failure to do so will result in engine damage.
Illustration 5 g03542552
Table 4
Item Qty Part Specification Description
V - - Bearing oil hole (6) is located at the 45 5 degrees angle from vertical. All seven bearings have the same angle.