THIS PDF FILE CONTAINS THE OFFICIAL OPERATION AND MAINTENANCE MANUAL FOR THE CAT CATERPILLAR 320D LRR EXCAVATOR, SERIAL NUMBER DHE. IT FEATURES STEP-BY-STEP INSTRUCTIONS FOR 90% OF THE TASKS COMMONLY PERFORMED ON THE EQUIPMENT, ALONG WITH DETAILED MAINTENANCE INFORMATION TO ENSURE MAXIMUM RELIABILITY AND UPTIME.THIS OPERATION AND MAINTENANCE MANUAL IS SPECIFICALLY DESIGNED FOR THE CAT 320D LRR EXCAVATOR S/N DHE. IT PROVIDES ESSENTIAL TECHNICAL INFORMATION FOR OPERATION AND MAINTENANCE AND IS AN INVALUABLE RESOURCE FOR ANY OWNER OF THIS EXCAVATOR. EASY-TO-FOLLOW INSTRUCTIONS MAKE THIS MANUAL USER-FRIENDLY, AND THE INCLUDED DIAGRAMS AND ILLUSTRATIONS MAKE IT EASY TO FIND THE INFORMATION YOU NEED.