C9 Urban Transit Bus Engine Exhaust Manifold - Remove and Install Caterpillar


Exhaust Manifold - Remove and Install
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C9 Urban Transit Bus Engine [RENR7559]
AIR INLET AND EXHAUST SYSTEM
EXHAUST GP
C9 Urban Transit Bus Engine Exhaust Manifold - Remove and Install
1.1. Removal Procedure
2.1. Installation Procedure

Removal Procedure


NOTICE

Keep all parts clean from contaminants.

Contaminants may cause rapid wear and shortened component life.




    Illustration 1g01139720

  1. Attach a suitable lifting device to exhaust manifold (2) and the turbocharger. The weight of exhaust manifold (2) and the turbocharger is approximately 40 kg (88 lb). Remove nuts (1), the washers, and the spacers.

  2. Remove exhaust manifold (2), the turbocharger, and the gaskets from the cylinder head assembly.

Installation Procedure

Table 1
Required Tools 
Tool  Part Number  Part Description  Qty 
5P-3931  Anti-Seize Compound 


NOTICE

Keep all parts clean from contaminants.

Contaminants may cause rapid wear and shortened component life.




    Illustration 2g01139720

  1. If the mounting studs were removed, install the mounting studs. Tighten the mounting studs to a torque of 35 ± 5 N·m (26 ± 4 lb ft).

  2. Apply Tooling (A) to the threads of the mounting studs.

    Note: Install the gaskets with the tabs upward.

  3. Attach a suitable lifting device to exhaust manifold (2) and the turbocharger. The weight of exhaust manifold (2) and the turbocharger is approximately 40 kg (88 lb). Position the gaskets, exhaust manifold (2), and the turbocharger on the cylinder head assembly.

    Note: Discard the nuts after use. Use new nuts for installation.

  4. Install the spacers, the washers, and nuts (1) on the mounting studs. Tighten nuts (1) to a torque of 55 ± 10 N·m (41 ± 7 lb ft).

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