12. OPERATION 4. Operate right and left travel levers e or right and left travel pedals f as follows. When the sprocket is at the rear of the machine. Push levers e forward slowly or depress the front part of pedals f slowly to move the machine off. When the sprocket is at the front of the machine. Pull levers e backward slowly or depress the rear part of pedals f slowly to move the machine off. REMARK Each time the travel levers are operated on machines equipped with the travel alarm, the alarm sounds to warn people in the machine vicinity. 12.4.2 MOVING MACHINE BACKWARD 1. Set swing lock switch a to the ON (actuated) position and confirm that swing lock monitor lamp b lights up.
PC450-ENG 2-58 WARNING • Before operating the travel levers, check the direction of the track frame. If the sprocket is at front, the operation of the track levers is reversed. • When moving off, check that the area around the machine is safe, and sound the horn before moving. • Clear all personnel from the machine and the area. • Clear all obstacles from the path of the machine. • Use extreme care when reversing the machine. Note there is a blind spot behind the machine. • If the lever is moved inside the deceleration range, engine speed will rise suddenly. Operate the levers carefully.