Return to Master Table of Contents FORWARD TRAVEL CIRCUIT When the right and left travel control levers are pushed forward, output from both of the main pumps is directed through the TRAVEL (R) and TRAVEL (L) spools on the control valve, through the upper works center joint, to the travel motors on each side of the machine. TRAVEL MOTOR(L) TRAVEL MOTOR(R) CENTER JOINT PUMP(L) PUMP(R) ATS0830L Figure 10 REVERSE TRAVEL CIRCUIT When the right and left travel control levers are pushed backward, output from both main pumps is directed through the TRAVEL (R) and TRAVEL (L) spools on the control valve, through the upper works center joint, to the travel motors.
TRAVEL MOTOR(L) TRAVEL MOTOR(R) CENTER JOINT PUMP(L) PUMP(R) ATS0840L Figure 11 Page 10 Hydraulic System Troubleshooting, Testing and Adjustment L.TRAVEL FORWARD PILOT TRAVEL(L) TRAVEL(R) R.TRAVEL FORWARD PILOT TRAVEL(L) L.TRAVEL R.TRAVEL BACKWARD BACKWARD PILOT PILOT TRAVEL(R)