ROLLER AS 1R0641 - Caterpillar

Illustration 2 g02548900
Table 2
Specification for 274-1953 Cylinder Head Gp and 235-2974 Cylinder Head Gp
Item Qty Part Specification Description
A - - Cylinder head thickness:
Thickness of a new cylinder head is 120.00 0.15 mm (4.724 0.006 inch)
Minimum thickness of a used cylinder head is 119.50 mm (4.705 inch)
Illustration 3 g02548907
(1) Sleeve bearing joint
(2) Oil gallery
(3) Oil holes
(4) Sleeve bearing
Camshaft bearings must be installed into their correct position. Failure to do so will result in engine damage.
Illustration 4 g02548916
Table 3
Specification for 274-1953 Cylinder Head Gp and 235-2974 Cylinder Head Gp
Item Qty Part Specification Description
B - - Orientation of the sleeve bearing joint is 20 5 degrees above horizontal
C - - Bore for camshaft sleeve bearing is 90.985 0.020 mm (3.5821 0.0008 inch)
Illustration 5 g02548921
Table 4
Specification for 274-1953 Cylinder Head Gp and 235-2974 Cylinder Head Gp
Item Qty Part Specification Description
4 7 216-5582 Bushing The depth of installation of the sleeve bearings is important. Install sleeve bearings to the following depths:
Dimension (D): 8.0 0.5 mm (0.31 0.02 inch)
Dimension (E): 178.1 0.5 mm (7.01 0.02 inch)
Dimension (F): 349.5 0.5 mm (13.76 0.02 inch)
Dimension (G): 521.0 0.5 mm (20.51 0.02 inch)
Dimension (H): 692.4 0.5 mm (27.26 0.02 inch)
Dimension (J): 863.8 0.5 mm (34.01 0.02 inch)
Dimension (K): 1035.3 0.5 mm (40.76 0.02 inch)
Illustration 6 g02742717
Table 5
Specification for 274-1953 Cylinder Head Gp and 235-2974 Cylinder Head Gp
Item Qty Part Specification Description
5 - - Before assembly, apply 4C-9506 Retaining Compound to press fit diameter of the lower end of six injector sleeves.
Press the injector sleeve to the bottom of the face (6).
V - - Installation depth for the cup plugs is 4.25 0.25 mm (0.167 0.010 inch)
W - - Installation depth for the cup plugs is 1.25 0.25 mm (0.049 0.010 inch)