FRAME AS-BULLDOZER 2401531 - 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.
Illustration 1 g00598884
The exhaust heat shield has been removed for photographic purposes.
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).
Illustration 2 g00598890
Attach a suitable lifting device to air inlet manifold (4).
Air inlet manifold (4) for a 3508B Engine weighs approximately 49 kg (108 lb).
Air inlet manifold (4) for a 3512B Engine weighs approximately 55 kg (121 lb).
Air inlet manifold (4) 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.
Illustration 3 g00598890
Attach a suitable lifting device to air inlet manifold (4).
Air inlet manifold (4) for a 3508B Engine weighs approximately 49 kg (108 lb).
Air inlet manifold (4) for a 3512B Engine weighs approximately 55 kg (121 lb).
Air inlet manifold (4) for a 3516B Engine weighs approximately 94 kg (207 lb).Position air inlet manifold (4) onto the engine.
Illustration 4 g00598884
Typical example
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".