COUPLING, FL 0772887 - Caterpillar

At operating temperature, the hydraulic oil tank is hot and under pressure. Hot oil can cause burns. Remove the breather filter cap only when the engine is stopped and the breather filter cap is cool enough to touch. Slowly loosen the breather filter cap to release any pressure in the hydraulic tank. Be cautious of hot hydraulic oil when any lines are disconnected in the hydraulic system.
Put identification on all lines, hoses, wires and tubes for installation purposes. Cap and plug all lines, hoses and tubes to prevent foreign material from entering the system. Drain all fluids in a suitable container for storage or disposal.1. Remove three screws (1) and one bolt (2). Remove panel (3).2. Remove two screws (4) and cover (5).3. Disconnect electrical connection (6). Remove two nuts (7) and four bolts (8). Remove four bolts (9). Remove the bracket assembly (10).4. Disconnect hydraulic line (11), hydraulic line (12), hydraulic line (13) and hydraulic line (14). Remove break control valve (15). Install break control valve in reverse order. Refer to the Operation & Maintenance Manual for all fluid capacities and the proper filling procedures.