Develon DX170W-7K Wheeled Excavator Shop Manual (950106-03641_A_EN)
Out on road jobs, tight urban sites, or utility work along shoulders, this DX170W-7K is your go‑to wheeled excavator—lots of travel, plenty of hydraulic work, not much room for mistakes. This shop manual helps you plan big teardowns, trace faults, and get the machine back together without mystery bolts left on the cart. Say you’re swapping a final drive or chasing slop in the boom: the book walks you through how to strip it, inspect wear points while it’s apart, then reassemble and torque things in the right order so you don’t fight leaks or weird alignment later.
Applications & Use Cases
- Plan your workspace before a major teardown so you can route hoses, stage components, and keep clean parts isolated from the dirty ones.
- Trace and verify hydraulic issues by following factory test points and typical sequences instead of guessing with the gauge.
- Inspect pins, bushings, bearings, and slew components while they’re out, so you don’t bolt worn parts back in and do the job twice.
- Follow general torque and cross‑pattern sequences on major joints to keep housings aligned and avoid binding or cracked flanges.
- Bleed and test steering, brakes, and working hydraulics after reassembly so you catch air pockets or misrouted lines before it leaves the yard.
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 systems or keywords instead of flipping around blindly.
Q: Can I print just the sections I need for a jobsite teardown?
A: You usually can; most guys print the relevant procedures, mark them up, then keep the full file clean on the computer.
Safety Note
Always support the machine and any lifted components with rated stands and blocking before you crawl under or start loosening structural fasteners.
Develon DX170W-7K Wheeled Excavator Index:
- DX170W-7K
- 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
- System Operations
- Components Operation, Description and Inspection
- Safety Instructions
- Main Pump
- Main Control Valve
- Systems Operation and Description
- Safety Instructions
- EPOS system
- Service Menu
- 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
- Drive Coupling
- Undercovers
- Joystick Valve(Work Lever)
- Main Control Valve
- Main Pump
- Hydraulic Oil Tank
- Fuel Tank
- Swing Device
- Brake Supply Valve
- Brake Pedal Valve
- Front Axle
- Rear Axle
- Driveshaft
- Travel Motor
- Center Joint
- Cabin
- Air Condenser Filter
- 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
- 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
- TCU Error Code
- Schematics
- Hydraulic Schematic
- Electric Schematic
- Main Harness
- Cabin Harness
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