Doosan DX30Z Excavator Service Manual Workshop Guide

Manual Included: Service Repair Manual: 836 Pages Specifications: Brand: Doosan Daewoo Model: DX30Z Serial Number: 5001 and Up Type: Excavator Manuals: Service Repair Manual Publication Number: K1036951E Language: English Format: PDF Description Table of Content:- Safety Track Excavator Safety………………………………………………………………. SP001061 Specifications Specification for DX30Z……………………………………………………………… SP001394 General Maintenance General Maintenance Procedures……………………………………………….. SP000016 Standard Torques……………………………………………………………………… SP000813 Upper Structure Cabin ………………………………………………………………………………………. SP001063 Swing Bearing…………………………………………………………………………… SP001064 Lower Structure and Chassis Track Assembly ………………………………………………………………………… SP001395 Engine and Drive Train Engine……………………………………………………………………………………… SP001254 Drive Coupling (Main Pump)……………………………………………………….. SP001066 Hydraulics Accumulator……………………………………………………………………………… SP000028 Center Joint (Swivel)………………………………………………………………….. SP001067 Cylinders………………………………………………………………………………….. SP001396 Swing Motor……………………………………………………………………………… SP001400 Travel Motor……………………………………………………………………………… SP001102 Main Pump……………………………………………………………………………….. SP001433 Main Control Valve ……………………………………………………………………. SP001071 Remote Control Valve (Work Lever / Joystick) ………………………………. SP001072 Travel Control Valve ………………………………………………………………….. SP000839 Pedal Valve………………………………………………………………………………. SP001073 Hydraulic Schematic (DX30Z) …………………………………………………….. SP001397 Electrical System Electrical System………………………………………………………………………. SP001142 Electrical Schematic (DX27Z/DX30Z)…………………………………………… SP001144 Attachments Working Attachments…………………………………………………………………. SP001398 Bucket……………………………………………………………………………………… SP001076 Doosan DX30Z Manual Instruction Extract: Check Valve (Load Check Valve) Assembly Procedures Standard Type Check Valve (See Figure 57) 1. Fix the Control Valve Body at workbench or hold it by two or more people. 2. Assemble Check Valve (3) and Check Valve Spring (4) in sequence at the center of Control Valve top surface. Then, set Check Valve (3) vertically. (Check that the Check Valve is nearly at the center.) 3. Check that Check Valve Plug (6) is surely installed wit Oring (5) and then screw it into the part where Check Valve has been assembled. 4. Tighten Check Valve Plug (6) with specified torque by using 19-mm Screw Wrench (or Socket Wrench). • The other Check Valves can be assembled in the same manner; use suitable parts in the drawing. (See Figure 58 and Figure 59.) If not, Check Valve could not function or there could be damage. How to Use The Doosan DX30Z Excavator Guide Manual: This manual provides information for servicing the DX30Z Doosan Excavator. All service procedures are broken down into detailed steps, listed in their recommended sequence. The manual uses both photographs and drawings to help locate and itemize components. The table of Contents on the preceding pages is your best tool for finding the service procedure you need. Be certain to observe all Safety information included in these pages. A schematic of each of the major engine systems is provided at the beginning of the section of the manual devoted to troubleshooting and repairing that particular system. Basic safety precautions are list in the Safety section of the Doosan DX30Z Excavator Service Manual. Additional safety precautions are list in the Safety section of the owner/operation/maintenance publication. Specific safety warnings for all these publications are provided in the description of operations where hazards exist. WARNING labels have also been put on the product to provide instructions and to identify specific hazards.