C15 On-highway Engine Caterpillar

Illustration 1	g01519139

(1) Torque for the bolt ... 40 ± 8 N·m (30 ± 6 lb ft)

Illustration 2	g01059534

(2) Diameter of the oil jet tube assembly ... 1.8 mm (0.07 inch)

Use compressed air in order to check the oil jet tube assembly for plugging.

Visually inspect the oil jet tube assembly for damage or distortion. If there is any damage or distortion, replace the oil jet tube assembly.

Note: The proper orientation of the oil jet tube assembly is essential to ensure correct cooling and lubrication of the piston. When you remove the oil jet tube assemblies from the engine, be sure to handle the oil jet tube assemblies in a manner that the jets will not become damaged.

Illustration 3	g01519124

Use the following dimensions in order to locate point (3) and point (4):

Dimension (A) ... 53.28 ± 0.25 mm (2.098 ± 0.010 inch)

Dimension (B) ... 3.14 ± 0.25 mm (0.124 ± 0.010 inch)

Dimension (C) ... 63.40 ± 0.25 mm (2.496 ± 0.010 inch)

Dimension (D) ... 250.00 ± 0.25 mm (9.842 ± 0.010 inch)