PIPE 8N8901 - Caterpillar

Do not disconnect the air lines until the air pressure in the system is at zero.
1. Drain the coolant from the cooling system. The capacity of the system is 8 U.S. gal. (30 liter).2. Open the drain valve on the air tank. 3. Remove air lines (1) and (3) and air inlet line (2) from the engine. Disconnect air lines (4) and (5) from the air compressor. 4. Disconnect oil line (8) from the air compressor.5. Remove all bolts (7) and (9) to remove air compressor (6) from the timing gear cover. For more information and to disassemble and assemble the air compressor, see SINGLE CYLINDER AIR COMPRESSOR, Form No. REG01343 or AIR COMPRESSORS, Form No. REGO0914 in the DISASSEMBLY AND ASSEMBLY section.Install Air Compressor
1. Put the air compressor (1) and gasket (2) in position on the timing gear cover and install the bolts and washers to hold them. 2. Connect oil line (8) to air compressor (1).3. Install air inlet line (4) and water lines (3) and (5) on the engine.4. Connect air lines (6) and (7) to the air compressor.5. Install the panel assembly to the right side of the rear frame.6. Fill the cooling system with coolant to the correct level.7. Close the drain valve on the air tank.