C27 and C32 Industrial and Petroleum Engines Caterpillar

Illustration 1	g01426959
Typical example

(1) Torque for clamp assembly ... 13.5 ± 1.0 N·m (120 ± 9 lb in)

Use the following procedure to tighten the turbine clamp assembly (2):

1. Tighten the turbine clamp assembly to 18.1 N·m (160 lb in).

2. Loosen the turbine clamp assembly to 5.6 N·m (50 lb in).

3. Again, tighten the turbine clamp assembly to 13.5 ± 1.0 N·m (120 ± 9 lb in).

(3) Opening pressure of the wastegate ... 105 ± 4 kPa (15.2 ± 0.5 psi)

Note: Apply 4C-5599 Anti-Seize Compound to the threads of the bolts that are used to mount the turbocharger.

(4) Torque for four locknuts ... 55 ± 9 N·m (41 ± 7 lb ft)