Develon DX190W-7 Wheeled Excavator Shop Manual (950106-02407_C_EN)

Out on road jobs, pipe work, or city maintenance, this DX190W-7 is usually hopping curb to curb, working tight spaces, and racking up hours fast. This shop manual helps you tear it down and put it back together without guessing, especially when you’re deep into the swing, axle, or boom circuits. Say you’ve got slop in the boom and a noisy pump: with this, you can plan the teardown, trace the problem, inspect pins and bushings while it’s apart, then reassemble and torque everything so it doesn’t come back on a hook next month.

Applications & Use Cases

• Plan a full boom/stick teardown, lay out your workspace, and route parts so you don’t lose shims, spacers, or alignment marks.
• Trace hydraulic issues, isolate a suspect valve or motor, then test and bleed the system properly after reassembly.
• Check axle and steering components when they’re off the machine, verify wear limits, and align things so the machine tracks straight again.
• Inspect swing gear and bearing during major work, then follow the general torque sequence so you don’t preload or distort anything.
• Rebuild attachments and cylinders, route hoses correctly, and verify no lines are rubbing or twisted before you send it back to the job.

FAQ

Q: Is this a PDF I can search on my laptop or tablet?

A: Yes, it’s typically a searchable PDF, so you can jump to sections by keyword instead of flipping around.

Q: Can I print just the sections I need for the shop or jobsite?

A: Usually, yes—you can print individual pages or chapters, then tape them near the bench and toss them when they’re greasy.

Safety Note

Always support the upper structure and any raised equipment with rated stands or blocks before you crawl under or start loosening major components.

Develon DX190W-7 Wheeled Excavator Index:

• Safety, Specification and Systems Operation
  • Wheel Excavator Maintenance Safety
    • Safety Instructions
    • Safety Messages
    • General
    • Transportation
    • Operation
    • Maintenance
    • Environment and Circumstances
  • General Specifications
    • Safety Instructions
    • General
    • Standard Specification
    • Performance Tests
    • Preparation for Performance Tests
    • Operational Performance Standard Table
    • Operational Performance Test
    • Approximate Weight of Workload Materials
  • Engine Specifications
    • Safety Instructions
    • Engine Specification
    • Engine Performance Curves
    • Tightening Torques
  • Hydraulic Systems and Structure Specifications
    • Safety Instructions
    • Hydraulic System
    • Drive System
  • General Maintenance Instructions
    • Safety Instructions
    • Welding Precautions and Instructions
    • Hydraulic System – General Precautions
    • Maintenance Service and Repair Procedure
    • Hydraulic System Cleanliness and Oil Leaks
    • Cleaning and Inspection
  • Standard Torques
    • Safety Instructions
    • Torque Values for Standard Metric Fasteners
    • Torque Values for Standard U.S. Fasteners
    • Type 8 Phosphate Coated Hardware
    • Torque Values for Hose Clamps
    • ORFS Swivel Nut Recommended Torque
    • Torque Values for Split Flanges
    • Torque Wrench Extension Tools
    • Loctite Applications
  • Engine
    • Safety Instructions
    • General Information
    • Special Tools
    • Fuel System
    • Cooling System
    • Exhaust System
    • Lubrication system
    • Electrical System
    • After Treatment System
  • Systems Operation, Description and Inspection
    • Safety Instructions
    • Overview – Components Layout
  • Components Operation, Description and Inspection
    • Safety Instructions
    • Main Pump
    • Main Control Valve
  • Systems Operation and Description
    • Safety Instructions
    • Power Supply
    • Starting System
    • Charging System
    • AVM System
    • EPOS system
    • Gauge Panel System
    • Air Conditioner System
    • Refrigerant System Repairs
    • Troubleshooting
• Removal and Installation
  • Engine
    • Safety Instructions
    • Before Removing and Installing
    • ECU (Engine Control Unit)
    • V-Belt
    • Alternator
    • Starter Motor
    • DEF (adblue®) Quality Sensor
    • Sensors – After Treatment
    • Engine Assembly
  • Hydraulic Systems and Structure
    • Safety Instructions
    • Before Removing and Installing
    • Main Pump
    • Drive Coupling
    • Undercovers
    • Hydraulic Oil Tank
    • Fuel Tank
    • Swing Device
    • Joystick Valve (Work Lever)
    • Brake Supply Valve
    • Brake Pedal Valve
    • Front Axle
    • Rear Axle
    • Driveshaft
    • Center Joint
    • Main Control Valve
    • Cabin
    • Air Condenser Filter
    • Travel Motor
  • Electric and Electronic
    • Safety Instructions
    • Before Removing and Installing
    • Battery Assembly
    • EPOS Controller
    • TMS Controller
    • AVM Controller
    • Microphone Controller
    • Smart Key Controller
    • DC-DC Controller
    • Cabin Photo Sensor
    • Cabin Switches
    • Around View Monitor
    • Display Monitor
    • Hour Meter
    • Combination Switch
    • Transmission Lever
    • Smart Junction Box
    • Wiper Motor
• Troubleshooting Guide
  • Wiring Harness Layout
    • Safety Instructions
    • Wiring Device
  • Error Code
    • Safety Instructions
    • EPOS Error Code
    • 1. Engine Fault Code List
• Schematics
  • DX190W-7 Hydraulic Schematic
  • DX140W-7/DX160W-7 Electric Schematic
  • Main Harness

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