Develon DX230LC-9 Crawler Excavator Operation and Maintenance Manual (950106-03914A-EN_EN)
On a DX230LC-9 you’re usually working in dirt, rock, and mud, bouncing between trenching, loading trucks, and cleanup on tight schedules. This operation and maintenance manual helps you set a steady maintenance rhythm so the machine behaves the same on a cold Monday morning as it does in peak season. Say you’re pushing hard on a pipe job—this book walks you through how to trace a weird swing noise, check your fluids and filters on schedule, and verify you’re not about to lose a day to a simple issue you could’ve caught last week.
Applications & Use Cases
- Set up daily walk‑around checks so you inspect tracks, trace leaks, and test safety functions before the operator even climbs in.
- Plan 250/500‑hour services so you route parts orders, align downtime with weather, and don’t skip filters that usually get forgotten.
- Use the procedures to isolate hydraulic quirks, bleed air correctly, and check for contamination before a small problem wipes out a pump.
- Verify proper grease points and intervals, so you don’t run the front end dry when you’re loading trucks all day.
- Train new operators on how to start, warm up, and shut down properly, so they don’t abuse cold hydraulics or ignore warning lights.
FAQ
Q: Is this manual searchable, or am I flipping pages all day?
A: The digital version’s usually searchable, so you can jump straight to maintenance or troubleshooting sections by keyword.
Q: Can I print just the service parts and keep them in the truck?
A: Yes, most folks print the sections they use most—maintenance schedules, lube charts, and basic checks—for easy jobsite use.
Safety Note
Always verify the machine’s parked on solid, level ground and the upper structure’s locked before you crawl under it to inspect or service anything.
Develon DX230LC-9 Crawler Excavator Index:
- Foreword
- EC Declaration of Conformity
- UK Declaration of Conformity
- Safety
- Safety Decals
- Safety Decals With Text
- Safety Decals Without Text (No-Text)
- Information and Location for Safety Decals
- General
- Transportation
- Operation
- Long Term Storage
- Maintenance
- Environment and Circumstances
- Operating Controls
- Component Locations
- Operator’s Area
- Operational Controls And Panels
- 1. Safety Lever
- 2. Dozer Lever
- 3. Air Compressor Switch (If Equipped)
- 4. After Treatment System Switch
- 5. 24V Power Socket
- 6. Machine Check Connector (OBD: On Board Diagnostics)
- 7. USB for Display Monitor
- 8. Auxiliary Mode Switch
- 9. Emergency Start Mode Switch
- 10. Swing Break Release Switch
- 11. Speaker for Display Monitor
- 12. DAB Audio (If Equipped)
- 13. 12V Power Socket
- 14. USB Charger
- 15. Quick Coupler Switch (If Equipped)
- 16. Key Pad
- 17. Engine Speed Control Dial
- 18. Micro Phone (If Equipped)
- 19. Start/Stop Button
- 20. Smart Key
- 21. Hour Meter
- 22. Display Monitor
- 23. Additional Display Monitor (If Equipped)
- 24. Photo Sensor
- 25. Mobile Phone Wireless Charging Console
- 26. Multifunction Keypad
- 27. Jog Shuttle and Buttons
- 28. Breaker/Power Max Button
- 29. Intelligent Floating Boom Temporary Reset
- 30. Shear Switch (If Equipped)
- 31. Store Truck
- 32. On/Off Weighing
- 33. One Touch Deceleration Button
- 34. Horn Button
- 35. Rotating Switch (If Equipped)
- 36. Additional Button
- 37. On/Off Grade Assist
- Display Monitor
- User Menu
- Access/Exit Method
- User Menu
- Smart Breaker
- Human Detection System (HDS)
- SAVM System (Smart Around View Monitoring System)
- PHM System (Prognostics And Health Management System)
- Stick Steering
- 2D Machine Guidance (2D MG)
- 2D Machine Control (2D MC)
- Weighing
- Lift Assist
- Advanced Lift Assist
- Miscellaneous Electrical Devices
- Seat Adjustment
- Types Of Seat Belts
- Engine Emergency Stop Switch
- Emergency Exit Glass Breaking Tool
- Miscellaneous Convenience Devices
- Miscellaneous Access Covers And Doors
- Air Gun And Compressor (If Equipped)
- Operation
- To Operate A New Excavator
- Starting And Stopping Engine
- Safety Lever
- Travel
- Operating Instructions
- Operating Precautions
- Parking Excavator
- Towing Procedure
- Attachments
- Hydraulic Attachments (If Equipped)
- Lifting Objects
- Lifting Objects With Quick Coupler
- Inspection, Maintenance and Adjustment
- Maintenance Information
- Machine Setup Position For Maintenance
- Handling Oil, Fuel, DEF (AdBlue®), Coolant
- Electrical System Maintenance
- Recommend Fuel, Coolant And Lubricant
- Fluid Capacities
- Table Of Recommended Lubricants
- Maintenance Intervals
- 10 Hour / Daily Service
- Boom, Arm and Front Attachment Pins – Lubricate
- Engine Oil Level – Check
- Hydraulic Oil Level – Check
- Fuel Level – Check
- DEF (AdBlue®) Tank Level- Check
- Pre Fuel Filter and Water Separator – Check
- Additional Water Separator – Check
- Swing Reduction Gear Oil Level – Check
- Dust Net – Clean
- Coolant Level – Check
- Window Washer Liquid Level – Check
- Bucket Teeth and Side Cutters – Inspect
- Cooling Fan Blade – Inspect
- Air Intake System and Emission Control System – Check
- Seat Belt – Inspect
- AVM (Around View Monitoring system) – Check
- Mirrors – Check
- Structure – Inspect
- All Switches and Travel Alarm (If Equipped) – Check
- Safety Lever – Check
- Exterior Lights, Horn, Control Console Indicator, Gauge Panel – Check
- Overall of Engine Condition – Check
- All Controls and Linkages – Check
- 50 Hour / Weekly Service
- Perform All Daily Service Checks
- Arm and Bucket Joint Pins – Lubricate
- Dozer Blade Pin – Lubricate
- Swing Bearing – Lubricate
- Fuel Tank Water and Sediment – Drain
- Air Compressor and Tank – Check
- Engine Fan Belt – Check
- Track Assemblies (Links, Shoes, Rollers, Idlers) – Inspect
- 250 Hour / Monthly Service
- Perform All Daily and 50 Hour Service Checks
- Boom and Arm Joint Pins (One Piece Boom) – Lubricate
- Boom and Arm Joint Pins (Two – Piece Boom) – Lubricate
- Engine Fan and Alternator Belts – Check
- Breaker Filter (If Equipped) – Replace
- Hydraulic Oil Return Filter – Replace
- Pilot Filter – Replace
- Swing Reduction Gear Oil – Change
- Pin and Bushings of the Front End Attachment – Inspect
- Battery Fluid – Check
- Bolts and Nuts – Inspect
- Fuel System Hose Clamps – Inspect
- Final Drive Gear Oil – Change
- 500 Hour / 3 Month Service
- Perform All Daily, 50 and 250 Hour Service Checks
- Track Spring – Check
- Swing Gear and Pinion – Lubricate
- Engine Oil and Filter – Replace
- Air-Conditioning Outer Filter – Clean
- Air-Conditioning Inner Filter – Clean
- Cooling System – Clean
- Air Cleaner Outer Filter – Clean
- Final Drive Gear Oil – Check
- Air Compressor Filter (If Equipped) – Clean
- 1,000 Hour / 6 Month Service
- Perform All Daily, 50, 250 and 500 Hour Service Checks
- Swing Reduction Gear – Lubricate
- Hydraulic Oil Tank Breather Filter – Replace
- Hydraulic Oil Return Filter – Replace
- Pre Fuel Filter – Replace
- Additional Water Separator – Clean
- Main Fuel Filter – Replace
- Pilot Filter – Replace
- Final Drive Gear Oil – Change
- Swing Reduction Gear Oil – Change
- Air-Conditioning Outer Filter – Replace
- Air-Conditioning Inner Filter – Replace
- Check and Adjust Engine**
- 2,000 Hour / Yearly Service
- Perform All Daily, 50, 250, 500 and 1,000 Hour Service Checks
- Air Cleaner Outer and Inner Filter – Replace
- Alternator and Starter** – Check
- Rubber Antivibration Shock Mounts – Check
- Perform and Record Results of Cycle Time Tests
- Inspect Machine to Check for Cracked or Broken Welds or other Structural Damage
- Adjust Valve Clearance** – Check
- Head Bolt Torques – Check
- 4,000 Hour / Biennial Service
- Hydraulic Oil and Suction Filter – Replace
- Major Parts – Periodic Replacement
- 4,500 Hour / Biennial Service
- DEF (AdBlue®) Filter – Replace
- DEF (AdBlue®) Breather Filter – Replace
- 6,000 Hour / 3 Year Service
- 8,000 Hour / 4 Year Service
- 12,000 Hour / 6 Year Service
- Hose In-service Lifetime Limit (European Standard ISO8331 and EN982(CEN))
- Air-Conditioning System
- Bucket
- Electrical System
- Engine Cooling System
- Fuel Transfer Pump (If Equipped)
- Handling Of Accumulator
- Track Tension
- Venting And Priming Hydraulic System
- Maintenance In Special Conditions
- Transportation
- Loading And Unloading
- Lifting Machine
- Specification
- Standard Specification
- Overall Dimensions
- Disassembled Parts, Dimension And Weight
- Ground Pressure
- Digging Force
- Working Range
- Excavator Rated Lift Capacity Tables
- Approximate Weight Of Workload Materials
Develon
