HOSE AS. 1400494 - Caterpillar

Do not disconnect any air lines until the air pressure is zero.
1. Remove the coolant from the engine. Release the air pressure in the air tank by loosening the bleed valves. 2. Disconnect coolant lines (1) and (3) from the air compressor.3. Disconnect air lines (2) and (4). Disconnect oil line (5).4. Remove two bolts (6) and the nut and washer that hold the air compressor to the accessory drive. Remove the air compressor. The following steps are for the installation of the air compressor.5. Install a new gasket on the air compressor. Put the air compressor in position on the accessory drive. Install the two bolts (6), nut and washer that hold it.6. Connect oil line (5) to the air compressor. Connect air lines (2) and (4) to the air compressor and air compressor governor.7. Connect coolant lines (1) and (3). Fill the engine with coolant to the correct level. See the Maintenance Guide.