A caterpillar 3176 engine head bolt torque specs?

Step 1: Initial Tightening

1. Cylinder Head Bolts: 50 lb-ft (68 Nm)

Step 2: Final Tightening

1. Cylinder Head Bolts: 120 lb-ft (163 Nm)

Note:

- Apply engine oil to the threads of the head bolts before installing them.

- Tighten the head bolts in the sequence specified in the engine service manual.

- Use a torque wrench to ensure the head bolts are tightened to the correct torque specifications.

- After the head bolts are tightened, recheck the torque after the engine has cooled down to ensure they have not loosened.