SEAL 2090033 - Caterpillar

Removal Procedure
Start By:
Remove the aftercooler. Refer to Disassembly and Assembly, "Aftercooler - Remove and Install".
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
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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.
Remove bolts (3).
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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
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
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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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Install bolts (3).
Inspect the O-ring seals for flanges (2). If a seal is cut, scratched, or cracked, install a new seal.
Use washers and bolts (1) to install flanges (2) for the elbows. Each cylinder has one elbow for inlet air. End By:
Install the aftercooler. Refer to Disassembly and Assembly, "Aftercooler - Remove and Install".