12. OPERATION 2. Press working mode switch b on the monitor panel until H.O (heavy duty operation) mode lamp lights up. 3. Turn fuel control dial a to the mid-range speed position. 4. Set safety lock lever d to the FREE position and raise the bucket from the ground. FREE 5. Operate bucket control lever e and arm control lever f slowly to move the bucket cylinder and arm cylinder to the end of their stroke. 6. Operate the bucket for 30 seconds and the arm for 30 seconds in turn fully for 5 minutes. REMARK Turn swing lock switch c ON (ACTUATED) and operate the lever to make the oil temperature rise more quickly.
NOTICE When the work equipment is retraced, take care that it does not interfere with the machine body or ground. PC450-ENG 2-54