28. MACHINES READY FOR ATTACHMENTS 28.3. ATTACHMENT MOUNTING/DISMOUNTING PROCEDURE DISMOUNTING PROCEDURE 1. Place the attachment on the ground and stop the engine. Free 2. After stopping the engine, operate each work equipment control lever and the attachment control pedal back and forth, left and right at full stroke 2 to 3 times to eliminate the internal pressure in the hydraulic circuit. Lock 3. After confirming low oil temperature, turn the rotor of the stop valve connected to the inlet and outlet piping on the arm side face to the lock position. 4. Remove the hoses on the attachment side. Install the blind plugs to the two outlets.
The blind plugs are used to prevent the entry of dust or dirt into the hydraulic system which may cause defective operation of the attachement. After the plugs are correctly installed, store the attachement. 5. Dismount the attachment by removing the retaining pins (2 pins). Then, mount the bucket. For the bucket mounting procedure, see 12.15 “REPLACEMENT AND INVERSION OF BUCKET’’. 6. After the bucket is mounted, check the hydraulic oil level. PC450-ENG 5-9