ENGINE AR-COMPLETE 2724682 - Caterpillar

Do not disconnect any air line to the machine until the air pressure in the air tank is to zero. Release the air pressure in the air tank by opening the bleed valves. The bleed valves are on the air tank underneath the rear bumper.
1. Close bleed valves (1) and (2). 2. Put identification marks on hose assemblies (3) and (4) for installation purposes. Disconnect the fittings on hose assemblies (3) and (4) from the air tank. Plug the fittings in order to keep dirt out of the air system. 3. Put identification marks on hose assembly (5) for installation purposes. Disconnect the fittings on hose assembly (5) from the air tank. Plug the fittings in order to keep dirt out of the air system. 4. Remove two bolts (6), their washers, their nuts and two grommet assemblies (8) from mounting bracket (7). Remove the two bolts, their washers, their nuts and two grommet assemblies from the mounting bracket on the other end of the air tank. Remove air tank (9). The weight of the air tank is 17 Kg (37 lb).Install Air Tank
1. Clean all of the components of the air tank and mating components before you install the air tank. 2. If four grommet assemblies (8) are non pliable or hard and misshapen, use new parts for replacement. Position the air tank to the machine frame. Install two bolts (6), their washers, their nuts and two grommet assemblies (8) to mounting bracket (7). Install the two bolts, their washers, their nuts and two grommet assemblies to the mounting bracket on the other end of the air tank. Tighten bolts (6) to a torque of 15 5 N m (11 4 lb ft). 3. Connect the fittings of hose assemblies (3), (4) and (5) to their original locations on the air tank. 4. Close bleeder valves (1) and (2).End By:a. install rear bumper