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

Removal Procedure

Note: Put identification marks on all hoses, on all hose assemblies, on all wires, and on all tube assemblies for installation purposes. Plug all hose assemblies and all tube assemblies. This helps to prevent fluid loss, and this helps to keep contaminants from entering the system.

1. Drain the coolant from the engine into a suitable container for storage or disposal. Refer to Operation and Maintenance Manual, "Cooling System Coolant - Change".

2. Purge the air from the air system.
   Show/hide table

   Illustration 1	g00917715

3. Disconnect hose assemblies (1) and (2).
   Show/hide table

   Illustration 2	g01209052

4. Disconnect hose assembly (7).

5. Remove bolts (6) from the bottom of air compressor (3) and remove clamps (4) and (5).
   Show/hide table

   Illustration 3	g01209060

6. Install a suitable lifting device onto air compressor (3) and remove bolts (8). Remove air compressor (3). The weight of air compressor (3) is approximately 41 kg (90 lb).

Installation Procedure

Show/hide table

Illustration 4	g01209060

1. Install a suitable lifting device onto air compressor (3). Install air compressor (3) and install bolts (8). The weight of air compressor (3) is approximately 41 kg (90 lb).
   Show/hide table

   Illustration 5	g01209052

2. Install clamps (4) and (5) and install bolts (6) into the bottom of air compressor (3).

3. Connect hose assembly (7).
   Show/hide table

   Illustration 6	g00917715

4. Install hose assemblies (2) and (1).

5. Fill the cooling system with coolant. Refer to Operation and Maintenance Manual, "Cooling System Coolant - Change".