SPROCKET AS 1389820 - Caterpillar

1. Retract locking pin cylinder by moving hydraulic power unit toggle switch to the unlock position.2. Roll the Quick Coupler forward approximately 30°.
CautionAttachment (fork, bucket, etc.) should not be carrying any load when connecting Quick Coupler to attachment. Attachment could move, causing load to become unstable and fall.
3. Drive forward until the top tube of the Coupler contacts the attachment hook assembly.4. Raise loader arms until attachment is elevated.5. Roll Coupler toward load position until the locking ears enter the Quick Coupler.6. Engage locking pins by moving the hydraulic power unit toggle switch to the lock position until the locking pins are fully engaged.