Develon DX27Z-7K Mini Excavator Operation and Maintenance Manual (950106-03684A-EN) (1001 and Up)
This DX27Z-7K usually lives in tight jobsites—driveways, backyards, small commercial spots—where you’re digging footings, trenches, and working around stuff you don’t want to hit. This operation and maintenance manual helps you set a rhythm: what to trace, check, and verify every day, what to service after so many hours, and when to stop and inspect something before it bites you. Picture this: you’re in the middle of a busy week, machine starts tracking weak on one side; with this book you can quickly isolate whether it’s a track tension issue, a hydraulic leak, or just packed mud, instead of guessing and losing a day.
Applications & Use Cases
- Set up a daily walk-around so you trace leaks, check fluid levels, and inspect tracks before you load the machine.
- Plan your periodic services so you don’t forget to change filters, bleed air from fuel lines, or test safety switches.
- Use the troubleshooting steps to isolate weird noises, verify warning lights, and decide if you can finish the day or need a tech.
- Align your maintenance with busy seasons, so you route bigger jobs between services and don’t lose the machine mid-project.
- Train new operators on proper warm-up, shutdown, and how to operate without abusing pins, bushings, and hydraulics.
FAQ
Q: Is this manual searchable, or am I just scrolling a big PDF on my phone?
A: It’s typically a standard PDF, so you can search by keyword, zoom diagrams, and jump around with bookmarks on most devices.
Q: Can I print pages and keep them in the truck or shop?
A: Yes, most folks print the service intervals, lubrication charts, and basic checks so they’re handy at the machine.
Safety Note
Always lower the attachment to the ground, kill the engine, and relieve hydraulic pressure before you inspect, test, or bleed anything.
Develon DX27Z-7K Mini Excavator Index:
- DX27Z-7K
- Revision
- Table of Contents
- Foreword
- Intended Use
- Engine and Emission Control System Maintenance
- Machine Capacity
- Attachments
- Product Identification Number (PIN)
- Component Serial Numbers
- Engine Identification
- Your Machine Serial Numbers
- Safety Messages
- 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/ TOPS)
- 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 Batteries
- Starting Engine
- Swinging or Traveling
- Lifting and Digging
- Operation on Slopes
- Towing
- Attachment
- Equipment Lowering with Engine Stopped
- Engine Stop
- Parking Machine
- Long Term Storage
- Before Storage
- During Storage
- After Storage
- 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. Travel Speed Selector Switch
- 4. Quick Coupler Switch (If Equipped)
- 5. Engine Speed Control Dial
- 6. Rotating Beacon Switch (If Equipped)
- 7. Keypad
- 8. 12V Power Socket
- 9. USB Charger (If Equipped)
- 10. Shear Switch (If Equipped)
- 11. Breaker Button
- 12. Rotating Switch
- 14. Horn Button
- 15. Safety Lever
- 16. Display Monitor
- 17. Hour Meter
- 20. Rotating and Boom Swing Switch (If Equipped)
- Display Monitor (Type 1)
- Functional Check
- Setting a Password
- 1. Fuel Gauge
- 2. Engine Coolant Temperature Gauge
- 3. Hydraulic Oil Temperature Gauge
- 4. Tachometer
- 5. Audio Display
- 6. Digital Clock
- 7. Operating Mode/Flow Setting Selector Button
- 8. Menu Selector Button
- 9. Back Button
- 10. Mode Symbol Display
- 11. Indicator Display
- 12. Display Warning Symbols
- Warning Pop-Up Messages
- Display Monitor (Type 2)
- Functional Check
- Setting a Password
- 1. Fuel Gauge
- 2. Engine Coolant Temperature Gauge
- 3. Hydraulic Oil Temperature Gauge
- 4. Tachometer
- 5. Digital Clock
- 6. Operating Mode Selector Button
- 7. Menu/ESC Button
- 8. Home Button
- 9. Camera Button
- 10. Flow Setting Selector Button
- 11. Up Arrow Button
- 12. Down Arrow Button
- 13. Selection Button
- 14. Mode Symbol Display
- 15. Indicator Display
- 16. Display Warning Symbols
- Warning Pop-Up Messages
- User Menu (Type 1)
- User Menu – Access and Escape Methods
- User Menu (Type 2)
- User Menu – Access and Escape Methods
- Heater and Air Conditioner Control Panel
- Location of Controls and Vents
- Control Panel
- Additional Operating Instructions
- Miscellaneous Electrical Devices
- Cabin Light
- Safety Lever
- Fuse Boxes
- DAB (Digital Audio Broadcasting) Audio
- Stereo
- Seat Adjustment
- 1. Forward/Backward Adjustment
- 2. Suspension Adjustment
- 4. Reclining Position Adjustment
- 5. Lumbar Adjustment
- 6. Seat Heater Switch
- Seat Belt
- Seat Belt Locking and Unlocking
- Engine Emergency Stop Switch
- Emergency Exit Glass Breaking Tool
- Miscellaneous Convenience Devices
- Front Windows
- Door Side Latch
- Cabin Storage Compartments
- Sunglasses Case
- Miscellaneous Access Covers and Doors
- Operation
- To Operate a New Excavator
- Starting and Stopping Engine
- Inspection Before Starting Engine
- Operational Checks Before Starting Engine
- Engine Start
- Cold Weather Starting
- Hydraulic System Warm-up
- Hydraulic System Warm-up – Cold Weather
- Stopping Engine
- Checks and Maintenance After Stopping Engine
- Safety Lever
- Travel
- Travel Speed Control
- Travel Control Lever Operation
- General Travel Instructions
- Operating Instructions
- Engine Speed Control
- Change Machine Control Pattern By Selector Valve (If Equipped)
- Work Levers (Joysticks) (ISO Pattern)
- Work Levers (Joysticks) (BHL Pattern)
- Dozer Blade (If Equipped)
- Operating Precautions
- Working in Water
- Escaping From Mud
- Parking Excavator
- Towing Procedure
- Attachments
- Bucket Replacement and Reversal
- Replacement
- Reversal (If Applicable)
- Hydraulic Attachments (If Equipped)
- Breaker Operation
- Shear Operation
- Rotating Operation
- Boom Swing Operation
- Quick Coupler Operation
- Lifting Objects
- Lifting Objects with Quick Coupler
- Inspection, Maintenance and Adjustment
- Maintenance Information
- Machine Setup Position for Maintenance
- Handling Oil, Fuel, Coolant
- Oil
- Fuel
- Engine Oil
- Grease
- Coolant and Water for Dilution
- Filters
- Electrical System Maintenance
- Recommend Fuel, Coolant, and Lubricant
- Lubrication
- Symbols for “Lubrication and Service Chart”
- Fluid Capacities
- Table of Recommended Lubricants
- Maintenance Intervals
- 10 Hour / Daily Service
- Boom, Arm and Front Attachment Pins – Lubricate
- Dozer Blade Pin – Lubricate
- Engine Oil Level – Check
- Hydraulic Oil Level – Check
- Fuel Level – Check
- Pre Fuel Filter and Water Separator – Check
- 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
- Mirrors – Check
- Structure – Inspect
- All Switches and Travel Alarm (If Equipped) – Check
- Main Fuel Filter – Check
- Hydraulic Oil Tank Breather -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
- Boom Swing Bracket – Lubricate
- Boom Swing Cylinder – Lubricate
- Fuel Tank Water and Sediment – Drain
- Cooling System – Clean
- 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 – Lubricate
- Engine Oil and Filter – Replace
- Pre Fuel Filter and Water Separator – Clean
- Main Fuel Filter – Replace
- Engine Fan and Alternator Belts – Check
- Hydraulic Oil Return Filter – Replace
- 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
- Air-Conditioning Outer Filter – Clean
- Air-Conditioning Inner Filter – Clean
- Air Cleaner Outer Filter – Clean
- Final Drive Gear Oil – Check (Type-1)
- Final Drive Gear Oil – Check (Type-2)
- Final Drive Gear Oil – Change
- 1,000 Hour / 6 Month Service
- Perform All Daily, 50, 250 and 500 Hour Service Checks
- Hydraulic Oil Return Filter – Replace
- Final Drive Gear Oil – Change (Type-1)
- Final Drive Gear Oil – Change (Type-2)
- 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
- Hydraulic Oil – Replace
- Air Cleaner Outer and Inner Filter – Replace
- Coolant – Change
- 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
- Major Parts – Periodic Replacement
- Hydraulic Oil Suction Filter – Clean
- 12,000 Hour / 6 Year Service
- Hose In-service Lifetime Limit (European Standard ISO 8331 and EN982 (CEN))
- Air-Conditioning System
- Control Panel – Check
- Air Conditioner Hoses – Check
- Condenser – Check
- Compressor Magnetic Clutch – Check
- Bucket
- Bucket Tooth – Replace
- Bucket O-ring – Replace
- Bucket Shimming Procedures
- Bucket – Replace
- Electrical System
- Engine Cooling System
- General
- Antifreeze Concentration Tables
- Table of Standards for Allowed Tap Water
- Handling of Accumulator
- Track Tension
- Venting and Priming Hydraulic System
- Main System Pump
- Hydraulic Cylinders
- Travel Motor (Type-1)
- Travel Motor (Type-2)
- General Venting
- Maintenance in Special Conditions
- Transportation
- Loading and Unloading
- Warning for Counterweight and Front Attachment Removal
- Trailer Loading/Unloading Procedures
- Lifting Machine
- Specification
- Standard Specification
- Overall Dimensions
- Ground Pressure
- Digging Force
- Arm – Tearout Force
- Bucket – Breakout Force
- Working Range
- Excavator Rated Lift Capacity Tables
- Approximate Weight of Workload Materials
- Index
Develon
