大宇DX系列新机型手册：DX420LC shop manual.pdf

DX420LC Shop Manual K1009096E Serial Number 5001 and Up Daewoo reserves the right to improve our products in a continuing process to provide the best possible product to the market place. These improvements can be implemented at any time with no obligation to change materials on previously sold products. It is recommended that consumers periodically contact their distributors for recent documentation on purchased equipment. This documentation may include attachments and optional equipment that is not available in your machines package. Please call your distributor for additional items that you may require. Illustrations used throughout this manual are used only as a representation of the actual piece of equipment, and may vary from the actual item. K1009096E Shop Manual 1Table of Contents Safety Track Excavator Safety SP000256 Specifications Specification for DX420LC SP000257 General Maintenance General Maintenance Procedures SP000016 Standard Torques SP000017 Upper Structure Cabin SP000018 Counterweight SP000265 Fuel Tank SP000264 Swing Bearing SP000262 Swing Reduction Gear SP000249 Lower Structure and Chassis Track Assembly SP000263 Air Conditioner SP000025 Engine and Drive Train Drive Coupling (Main Pump) SP000026 Hydraulics Hydraulic System Troubleshooting, Testing and Adjustment SP000273 Accumulator SP000028 Center Joint (Swivel) SP000181 Cylinders SP000030