Complete workshop & service manual with electrical wiring diagrams for Doosan DX30Z Crawler Excavator. It's the same service manual used by dealers that guaranteed to be fully functional and intact without any missing page.

This Doosan DX30Z Crawler Excavator service & repair manual (including maintenance, overhaul, disassembling & assembling, adjustment, tune-up, operation, inspecting, diagnostic & troubleshooting…) is divided into different sections. Each section covers a specific component or system with detailed illustrations. A table of contents is placed at the beginning of each section. Pages are easily found by category, and each page is expandable for great detail. The printer-ready PDF documents work like a charm on all kinds of devices.

“K1036951E.pdf”
Doosan DX30Z Crawler Excavator Shop Manual
K1036951E; Serial Number 5001 and Up; 836 pages

TABLE OF CONTENTS
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
…

EXCERPT:
GENERAL DESCRIPTION
The center joint (swivel) is designed to allow hydraulic oil from the upper structure to flow to components in the lower structure.
It is capable of allowing continuous 360° rotation of the upper structure in relationship to the lower structure.
…