Develon DX63-3 Mini Excavator Operation and Maintenance Manual (950106-02060EE) (2187 and Up)
This DX63-3 usually lives in the mud and dust—tight jobsites, trench work, loading trucks, working around utilities where downtime ruins your day. This operation and maintenance manual helps you set a steady rhythm: what to trace, check, and verify every day, what to service weekly or by hours, and what you can safely stretch. Say you’re in peak season laying pipe; this keeps you from discovering a blown hose or cooked hydraulic oil right when the concrete truck shows up.
Applications & Use Cases
- Set up a daily walkaround: inspect tracks, trace leaks, check fluids, verify lights and safety locks before you even hit the key.
- Plan service intervals so you know when to change filters, bleed fuel or coolant, and test the battery instead of waiting for it to fail.
- Isolate weird behavior—slow boom, noisy pump—by following the manual’s step-by-step checks before you start throwing parts at it.
- Align your grease schedule with real-world use, so pins, bushings, and swing gear don’t get sloppy halfway through the season.
- Route hoses, guards, and wiring correctly after repairs, so nothing rubs through when you’re tracking over rock or debris.
FAQ
Q: Is this manual searchable, or am I scrolling forever?
A: It’s typically a searchable PDF, so you can jump straight to what you need by keyword.
Q: Can I print sections to keep in the cab or shop?
A: Yeah, most folks print the maintenance and lubrication pages and keep them where the operator can’t ignore them.
Safety Note
Always verify hydraulic pressure is relieved and the attachment is grounded before you put your hands anywhere near the linkage.
Develon DX63-3 Mini Excavator Index:
- DX63-3
- Revision
- Table of Contents
- Foreword
- Intended Use
- Engine and Emission Control System Maintenance
- Machine Capacity
- Attachments
- Product Identification Number (PIN)
- Safety Messages
- EC Declaration of Conformity
- Safety
- Safety Decals
- Information and Location for Safety Decals
- General
- Safe Operation is Operator’s Responsibility
- Know Your Machine
- Proper Work Tools and Attachments
- Pressurized Fluids
- Flying or Falling Objects
- Personal Protective Equipment (PPE)
- Correction of Machine Problems
- Crushing and Cutting
- Hot Coolant and Oils – Burn Prevention
- Fire and Explosion Prevention
- Fire Extinguisher and First-Aid Kit (Emergency Medical Kit)
- Electrical System and Electrical Shock
- Roll-over Protective Structure (ROPS)
- Regulation 8.35(2) of the Mines Safety and Inspection Regulations (1995)
- Transportation
- Obey State and Local Over-the-Road Regulations
- Loading and Unloading
- Transporting Machine
- Operation
- Before Engine Starting
- Work Site
- Mounting/Dismounting
- Cleaning
- Operator Station
- Seat Belt
- Visibility Information
- Boost Starting or Charging Battery
- Starting Engine
- Swinging or Traveling
- Lifting and Digging
- Operation on Slopes
- Towing
- Attachment
- Equipment Lowering with Engine Stopped
- Engine Stop
- Parking Machine
- Preservation/Storing Machine
- Maintenance
- Warning Tag
- Cleaning
- Proper Tools and Clothing
- Disassembling Precautions
- Use of Lighting
- Fire and Explosion Prevention
- Burn Prevention
- Rubber That Contains Fluorides
- Rubber and Plastics
- Welding Repairs
- Warning for Counterweight and Front Attachment Removal
- Lock Inspection Covers
- Working on Machine
- Accumulator
- Compressed Air
- Track Tension Adjustments
- Supports and Blocking for Work Equipment
- High-pressure Lines, Tubes and Hoses
- Battery
- Environment and Circumstances
- Work Site Areas Requiring Extra Caution
- High-voltage Cables
- Underground Operation
- Working in Water
- Working in Contaminated Environment
- Operation in Extreme Conditions
- Exhaust Ventilation
- Asbestos Information
- Silica Dust Information
- Disposal of Hazardous Materials
- Sound
- Vibration Information
- Operating Controls
- Component Locations
- Operator’s Area
- Operational Controls and Panels
- 1. Starter Switch
- 2. Heater and Air Conditioner Control Panel
- 3. Power Socket for 12 Volt
- 4. Engine Emergency Stop Switch
- 5. Engine Speed Control Dial
- 6. Light Switch
- 7. Audio Control Panel
- 8. Quick Coupler Switch (If Equipped)
- 9. Warning Light Switch (If Equipped)
- 10. Wiper Switch
- 11. Windshield Washer Switch
- 12. Boom Swing Switch (If Equipped)
- 13. Horn Button (Left-hand Work Lever)
- 14. Breaker Button (Right-hand Work Lever)
- 15. Rotating/Boom Swing Switch
- 16. Shear Switch
- 17. Display Monitor
- 18. Safety Lever
- 19. Hour Meter
- 20. Jack Assembly
- 21. 2-speed Button
- Display Monitor
- Functional Check
- Password Activated
- 1. Fuel Gauge
- 2. Engine Coolant Temperature Gauge
- 3. Engine Speed Control Dial Gauge
- 4. ECO Gauge
- 5. Warning Light
- 6. Digital Clock
- 7. Display Warning Symbols
- 8. Engine Speed
- 9. Selector Function Display
- 10. Function Buttons
- Warning Pop-up Window
- User Menu
- User Menu – Access and Escape Methods
- Heater and Air Conditioner Control Panel
- Location of Controls and Vents
- Control Panel
- Memory Function
- Additional Operating Instructions
- Stereo
- Miscellaneous Electrical Devices
- Cabin Light
- Battery Disconnect Switch
- Pilot Cutoff Switch
- Circuit Breaker
- Fusible Link
- Fuse Box
- Seat Adjustment
- 1. Forward/Backward Adjustment
- 2. Seat Height Adjustment
- 3. Suspension Adjustment
- 4. Backrest Adjustment
- 5. Armrest Angle Adjustment
- 6. Lumbar Support Adjustment
- 7. Headrest
- 8. Seat Belt
- 9. Seat Back-pocket
- 10. Heating the Operator’s Seat (If Equipped)
- 11. Two-grade Forward/Backward Adjustment
- 12. Seat Forward/Backward Adjustment
- 13. Seat Angle Adjustment
- Front Windows
- Front Upper Window
- Front Bottom Window
- Door Side Latch
- Cabin Storage Compartments
- Sun Visor (If Equipped)
- Hanger
- Emergency Exit Glass Breaking Tool
- Operation
- To operate a New Excavator
- Starting and Stopping Engine
- Inspection Before Starting Engine
- Operational Checks Before Starting Engine
- Engine Start
- Cold Weather Starting
- Starting Engine With a Booster Cable
- Hydraulic System Warm-up
- Hydraulic System Warm-up – Cold Weather
- Check and Confirmation After Engine Start
- Stopping Engine
- Check and Confirmation After Stopping Engine
- Safety Lever
- Travel
- Travel Speed Control
- Travel Control Lever Operation
- General Travel Instructions
- Operating Instructions
- Engine Speed Control
- Work Levers (Joysticks) (ISO Pattern)
- Change Machine Control Pattern by Selector Valve (If Equipped)
- Work Levers (Joysticks) (BHL Pattern)
- Blade Control Lever
- Operating Precautions
- Operation Under Water or On Weak Ground
- Parking Excavator
- Towing Procedure
- Hydraulic Breaker
- Selection of Hydraulic Breaker
- Hydraulic Hoses and Tubing for Breaker
- Hydraulic Breaker Operation
- Hydraulic Oil and Filter Service Intervals
- Boom Swing Operation (If Equipped)
- Shear Operation
- Quick Coupler Operation
- Lifting Objects
- Lifting Objects with Quick Coupler
- Operation Under Abnormal Conditions
- Operation In Extreme Cold
- Operation in Extreme Heat
- Operation in Dusty or Sandy Areas
- Operation in Rainy or Humid Conditions
- Operation in Salt Water Areas
- Operation at High Altitudes
- Operation During Electrical Storms
- Equipment Lowering with Engine Stopped
- Long Term Storage
- Inspection, Maintenance and Adjustment
- Maintenance Information
- Machine Setup Position for Maintenance
- Table of Recommended Lubricants
- Coolant and Water for Dilution
- Fluid Capacities
- Lubrication and Service Chart
- Maintenance Intervals
- 10 Hour / Daily Service
- Grease Dozer, Boom Swing and Front Attachment Pins (for first 100 hours)
- Check Engine Oil Level
- Check Level of Hydraulic Oil Tank
- Check for Leaks in Hydraulic System
- Check Fuel Level
- Check for Leaks in Fuel System
- Check Water Separator & Pre Fuel Filter (Fuel Prefilter) and Drain Water as Required
- Check Additional Water Separator and Drain Water as Required (If Equipped)
- Check Cooling System and Refill as Required
- Check Level of Window Washer Liquid
- Inspect Bucket Teeth and Side Cutters for Signs of Wear
- Inspect Cooling Fan Blade
- Check Air Intake System
- Inspect Seat Belt for Proper Operation
- Inspect the Structure for Cracks and Faulty Welds
- Check the Operation of All Switches
- Check Operation of All Exterior Lights, Horn and Control Console Indicator and Display Monitor
- Start Engine, Check Starting Ability, and Observe Exhaust Color at Start-up and at Normal Operating Temperature. Listen for Any Abnormal Sounds
- Check Operation of All Controls and Linkages
- 50 Hour / Weekly Service
- Perform All Daily Service Checks
- Grease Dozer Pins
- Grease Boom Swing Cylinder and Bracket
- Grease Swing Bearing
- Drain Water and Sediment from Fuel Tank
- Check Engine Fan Belt for Cracks, Wear and Correct Tension (After First 50 Hours)
- Inspect the Track Assemblies for Proper Tension and Loose, Worn or Damaged Parts (Links, Shoes, Rollers, Idlers)
- 250 Hour / Monthly Service
- Perform All Daily and 50 Hour Service Checks
- Grease Front Attachment Pins
- Change Engine Oil and Filter
- Check Engine Fan Belt Tension
- Check Engine Fan Belt Wear
- Check Oil Level in Final Drive Gear (One on Each Side of Unit)
- Clean Outer Filter of Air Cleaner
- Change Oil in Final Drive Gear (One on Each Side of Unit) (After First 250 Hours)
- Replace Hydraulic Oil Return Filter (After First 250 Hours)
- Inspect Pins and Bushings of the Front End Attachments for Signs of Wear
- Check Fluid Levels in Batteries
- Inspect for Any Loose or Missing Nuts and Bolts
- Inspect Fuel System Hose Clamps
- 500 Hour / 3 Month Service
- Perform All Daily, 50 and 250 Hour Service Checks
- Grease Swing Gear and Pinion
- Change Main Fuel Filter
- Change Water Separator & Pre Fuel Filter (Fuel Prefilter)
- Change Water Separator & Pre Fuel Filter (Fuel Prefilter) (If Equipped)
- Replace Hydraulic Oil Return Filter
- Clean Air-conditioning Inner Filter
- Clean Air-conditioning Outer Filter
- 1,000 Hour / 6 Month Service
- Perform All Daily, 50, 250 and 500 Hour Service Checks
- Change Oil in Final Drive Gear (One on Each Side of Unit)
- Change Air-conditioning Inner Filter
- Change Air-conditioning Outer Filter
- Clean Hydraulic Oil Suction Strainer
- Change Air Breather Element
- Change Fuel Cap Filter
- Check Air Conditioner Refrigerant
- Check and Adjust Engine **
- Replace Outer and Inner Air Cleaner Filters
- 2,000 Hour / Yearly Service
- Perform All Daily, 50, 250, 500 and 1,000 Hour Service Checks
- Change Radiator Coolant
- Change Hydraulic Oil
- Check Alternator and Starter **
- Check All Rubber Antivibration Shock Mounts
- Perform and Record the Results of the Cycle Time Tests
- Inspect Machine to Check for Cracked or Broken Welds or Other Structural Damage
- Check, Adjust Valve Clearance **
- Check Head Bolt Torques
- 4,000 Hour / Biennial Service
- Major Parts – Periodic Replacement
- 12,000 Hour / 6 Year Service
- Hose In-service Lifetime Limit (European Standard ISO 8331 and EN982 (CEN))
- Bucket
- Bucket Tooth Replacement
- Bucket O-ring Replacement
- Bucket Shimming Procedures
- Replace Bucket
- Electrical System
- Engine Cooling System
- General
- Measuring the Concentration of Coolant
- Antifreeze Concentration Tables
- Table of Standards for Allowed Tap Water
- Fuel Transfer Pump (If Equipped)
- Handling of Accumulator
- Track Tension
- Venting and Priming Hydraulic System
- Main System Pump
- Hydraulic Cylinders
- Travel Motor
- General Venting
- Maintenance in Special Conditions
- Transportation
- Loading and Unloading
- Lifting Machine
- Specification
- Standard Specification
- Overall Dimensions
- Working Range
- Excavator Rated Lift Capacity Tables
- Approximate Weight of Workload Materials
- Index
Develon
