3500 and 3500B High Displacement Engines for Caterpillar Built Machines Air Inlet Manifold - Remove and Install Caterpillar

Removal Procedure

Start By:

1. Remove the aftercooler. Refer to Disassembly and Assembly, "Aftercooler - Remove and Install".

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Illustration 1	g00598884

1. Remove bolts (1) and the washers. Pry flanges (2) on the elbows away from the air inlet manifold. Each cylinder has one elbow for inlet air.

2. Remove bolts (3).
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   Illustration 2	g00598890

3. Attach a suitable lifting device to air inlet manifold (4).

   • The air inlet manifold for a 3508B Engine weighs approximately 49 kg (108 lb).

   • The air inlet manifold for a 3512B Engine weighs approximately 55 kg (121 lb).

   • The air inlet manifold for a 3516B Engine weighs approximately 94 kg (207 lb).

   Remove air inlet manifold (4).

Installation Procedure

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Illustration 3	g00598890

1. Attach a suitable lifting device to air inlet manifold (4).

   • The air inlet manifold for a 3508B Engine weighs approximately 49 kg (108 lb).

   • The air inlet manifold for a 3512B Engine weighs approximately 55 kg (121 lb).

   • The air inlet manifold for a 3516B Engine weighs approximately 94 kg (207 lb).

   Lift the manifold into position on the engine.

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   Illustration 4	g00598884

2. Install bolts (3).

3. Inspect the O-ring seals for flanges (2). If a seal is cut, scratched, or cracked, install a new seal.

4. Use washers and bolts (1) to install flanges (2) for the elbows. Each cylinder has one elbow for inlet air.

End By:

1. Install the aftercooler. Refer to Disassembly and Assembly, "Aftercooler - Remove and Install".