MUFFLER AS 2058184 - Caterpillar

Removal Procedure
Start By:
Remove the turbocharger. Refer to Disassembly and Assembly, "Turbocharger - Remove".
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
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Remove two nuts (1), the washers and the heat shield from the exhaust manifold.
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Remove bolt (3) from the bracket that holds two of the fuel injection lines in position. Loosen nuts (2) and (4) and remove the two fuel injection lines from the engine. Put protective caps on the fuel injectors and put protective caps on the fuel injection pump in order to prevent contamination.
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Remove the remaining ten exhaust manifold nuts (5) and the large washers. Remove exhaust manifold (6).
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Remove three exhaust manifold gaskets (7) from the cylinder head and the twelve exhaust manifold studs, if necessary. Make sure that the position of the two longer studs are marked for proper installation.Installation Procedure
Table 1
Required Tools    
Tool     Part Number     Description     Qty    
A     5P-0144     Fuel Line Socket     1    
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
If the twelve exhaust manifold studs were removed, apply 5P-3931 Anti-Seize Compound to both ends of the exhaust manifold studs and install the studs in the cylinder head. Make sure that the two longer studs are installed in the correct position. Tighten the studs to a torque of 27 4 N m (20 3 lb ft).
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Put three exhaust manifold gaskets (7) in position on the cylinder head.
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Install exhaust manifold (6). Install ten washers and nuts (5). The two longer studs are for the installation of the heat shield. Tighten exhaust manifold nuts (5) to a torque of 47 4 N m (35 3 lb ft).
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Remove the protective caps from the fuel injectors and the fuel injection pump. Put the fuel injection lines in position and tighten nuts (2) and (4) finger tight. Install bolt (3) in the bracket that holds the fuel injection lines in position. Tighten nuts (3) and (4) with Tool (A) to a torque of 40 7 N m (30 5 lb ft).
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Install the two large washers and the spacers on the two remaining exhaust manifold studs. Install heat shield (1) and the remaining two washers and exhaust manifold nuts that fasten heat shield (1) to the exhaust manifold. Tighten the two nuts to a torque of 47 4 N m (35 3 lb ft).
Prime the fuel system. Refer to the Operation and Maintenance Manual, "Fuel system - Prime" topic (Maintenance Section).End By: Install the turbocharger. Refer to Disassembly and Assembly, "Turbocharger - Install".