COMPONENT OPERATION / Travel Device TRAVEL BRAKE VALVE The travel brake valve is located on the travel motor head and consists of the following valves. Overload Relief Valve: Prevents the occurrence of overload and surge pressure in the motor circuit. Counterbalance Valve: Makes starting and stopping travel operations smooth and prevents the machine from running away while descending slopes. Check Valve: Assists the counterbalance valve operation and prevents cavitation in the motor circuit. Travel Mode Selection Valve: Controls the tilt piston when selecting travel mode.
Section A-A Counterbalance Valve Overload Relief Valve Travel Mode Selection Valve Check Valve A A Overload Relief Valve Counterbalance Valve T1J1-03-05-004 T3-5-5