C2.2 Engines for Caterpillar Built Machines Caterpillar

Illustration 1	g03785177
Typical example

Note: When the engine oil relief valve is installed, ensure that all components are clean. Lightly lubricate all components with clean engine oil.

(1) O-ring

A new O-ring should be used when the engine oil relief valve is installed.

(2) Tighten the engine oil relief valve to the following torque. ... 54 N·m (40 lb ft)

The engine oil pressure at the engine oil relief valve is the following value. ... 402 kPa (58 psi)

Note: Always remove the engine oil relief valve before removing or installing the crankshaft. Damage to the engine oil relief valve or damage to the crankshaft may occur.