Takeuchi TB250-2 Mini Excavator Operators Manual (AK8EN016)

Format: PDF (Printable Document)

File Language: English

File Pages: 409

File Size: 58.25 MB (Speed Download Link)

Brand: Takeuchi

Model: TB250-2 Mini Excavator

Book No: AK8EN016

Serial No: 125100005-

Type of Document: Operators Manual

Categories: PDF, Takeuchi PDF

$ 40

Takeuchi TB250-2 Mini Excavator Operators Manual (AK8EN016)

Takeuchi TB250-2 Mini Excavator Operators Manual (AK8EN016) (SN 125100005-)

On a TB250-2 that’s working around trenches, foundations, or tight urban jobs, this operator’s manual is what I’d keep handy to run the machine correctly and avoid beating it up. It walks you through what each control does, how the excavator should feel under load, and what to check each day before you start swinging over trenches or tracking across uneven ground. If, for example, the machine feels jerky when you’re trying to fine-grade near a wall, this manual helps you verify your operating modes and techniques before assuming there’s a hydraulic fault.

Applications & Use Cases

Set up controls and work modes so the machine behaves predictably when trenching, lifting pipe, or loading trucks.
Confirm daily inspection points to catch loose tracks, leaks, or cracked attachments before they stop the job.
Learn proper digging and lifting habits to keep the machine stable on slopes and avoid overstressing the boom and slew ring.
Improve visibility and swing awareness when working close to utilities, traffic, or other machines.
Reduce premature wear on undercarriage and hydraulics by using the right travel, attachment, and idling practices.

FAQ

Q: Can I keep this manual on a tablet in the cab?

A: Yes, it’s practical to use a digital copy; just make sure the file is saved offline so you can zoom in on diagrams even without signal.

Q: Is it worth printing parts of this manual?

A: Many operators print the daily checks and control layouts, laminate them, and keep them in the cab for quick reference between shifts.

Safety Note

Always follow the manual’s operating and inspection guidance before moving the machine, especially on slopes or near personnel.

📘 Show Index

Takeuchi TB250-2 Mini Excavator Index:

Cover
Safety alert symbol
- Signal words
- Introduction
  - Foreword
  - Manual storage compartment
  - Serial numbers
- Machine description
  - Front, rear, left and right
  - Designated operations
  - Break-in period
- Notes on reading this manual
- Revision history
Safety
- General precautions
- Precautions when preparing
- Precautions when starting
- Precautions when operating
- Precautions when stopping
- Precautions when transporting
- Precautions on maintenance
- Safety signs (decals)
Controls
- Names of components (Canopy)
- Names of components (Cab)
- Covers
  - Starter key
  - Right side cover
  - Engine hood
  - Left side cover
  - Fuel lid
  - Fuel filler port
  - Fuse box cover
- Cab
  - Cab door
  - Emergency exit
  - Front window
  - Lower front window
  - Side window
  - Sun visor (If equipped)
  - Sun shade
  - Emergency hammer (optional)
- Seat and seat belt
  - Seat
  - Seat belt
- Multi-information display
  - Home screen
  - Warning lamps
  - Indicators
  - Screen control key
  - Screen navigation
  - Switching images
- Instrument cluster
  - Warning lamps
  - Indicators
  - Meters
  - Multi-data display
- Switches
  - Starter switch
  - Engine shutdown switch
  - Throttle controller
  - Horn button
  - Deceleration button
  - Travel speed button
  - Auxiliary 1st switches
  - Auxiliary 2nd/4th switch (If equipped)
  - Third auxiliary hydraulic switch and button (If equipped)
  - Auxiliary 2/4 select button (If equipped)
  - Third auxiliary hard-lock switch (If equipped)
  - DPF manual regeneration/inhibit select switch
  - Light switch
  - Front wiper switch
  - Front washer switch
  - Rear wiper/Washer switch (If equipped)
  - Rear defroster switch (If equipped)
  - Automatic deceleration switch
  - ECO/Highland mode switch
  - Detent mode switch (Auxiliary 1st) (If equipped)
  - Auxiliary 1st auto tank switch (If equipped)
  - Lift overload warning switch (If equipped)
  - Beacon lamp switch (If equipped)
- Levers and Pedals
  - Safety lock lever
  - Operating levers
  - Blade lever
  - Travel levers/pedals
  - Boom swing pedal
- Accessories
  - Heater
  - Air conditioner (If equipped)
  - Cup holder
  - Ashtray
  - Power supply socket
  - Interior light
  - Mirrors
  - External power sockets
  - Radio (Digital Audio Broadcasting not supported)
  - Radio (Digital Audio Broadcasting supported)
  - Auxiliary hydraulic lines (If equipped)
  - Operating the machine with an accumulator (If equipped)
  - Lifting safety device (If equipped)
  - Fuel supply pump (If equipped)
  - Engine auto stop
- Language setting
Operation
- Before starting operation
  - Getting on or off the machine
  - Walk-around inspection
  - Daily inspection
- Starting and stopping the engine
  - Before starting the engine
  - Starting the Engine
  - Warming up the engine
  - Stopping the engine
- Operating the machine
  - Lever pattern (ISO pattern)
  - Lever pattern (G pattern) (If equipped)
  - Warming up the machine (hydraulic oil)
  - Inspection after warm-up
  - Operating the travel levers/pedals
  - Stopping travel
  - Operating the working equipment
- Operating procedures
  - Prohibited operations
  - Cautions on operating
  - Cautions on traveling on slopes
  - Getting out of mud
  - Operations possible with this machine
- Parking the machine
  - Parking
  - Inspection and checks after stopping the engine
- Handling in cold climates
  - Preparing for cold climates
  - Cautions after operations
  - After the cold climate
- Handling rubber crawlers
  - Prohibitions
  - Cautions
  - Preventing the rubber crawlers from coming off
- Handling the engine
  - Prohibitions
  - Cautions
  - Diesel fuel
Transport
- Loading and unloading
- Hoisting the machine
- Securing the machine
Maintenance
- General
  - Maintenance overview
  - Cautions on maintenance
- Service data
  - Fuel and lubricant table
  - Regularly replace the hydraulic oil
  - Hydraulic system specifications
  - List of consumables
  - List of tools (If equipped)
  - List of tightening torques
- Safety-critical parts
- Maintenance list
- Walk-around inspection
  - Inspecting by opening the engine hood and covers
  - Inspecting by walking around the machine
  - Inspecting while sitting in the operator’s seat
- Daily inspection (every 10 hours)
  - Inspecting and replenishing the coolant
  - Inspecting and replenishing the engine oil
  - Inspecting the water separator
  - Inspecting the fuel level
  - Inspecting the hydraulic oil tank level and replenishing
  - Lubricating the working equipment
- After the initial 50 hours (only for new machines)
  - Inspecting and adjusting the fan belt
  - Inspecting and adjusting the compressor belt (AC)
- Every 50 hours
  - Inspecting and adjusting the crawler tension
  - Lubricating the slew bearing
  - Draining the water from the fuel tank
  - Inspecting the battery
- After the initial 250 hours (only for new machines)
  - Replacing the hydraulic oil return filter
  - Replacing the pilot line filter
  - Replacing the travel motor gear oil
- Every 250 hours
  - Inspecting and adjusting the fan belt
  - Inspecting and adjusting the compressor belt (AC)
  - Cleaning the air cleaner
  - Cleaning the radiator fins and the oil cooler fins
  - Cleaning the air filter (AC)
  - Cleaning the condenser (AC)
  - Replacing the fuel filter and water separator filter
  - Inspecting the refrigerant (gas) level (AC)
- Every 500 hours
  - Replacing the engine oil and the oil filter
  - Replacing the fuel filter
  - Replacing the water separator filter
  - Inspecting the slew pinion gear
- Every 1000 hours
  - Replacing the hydraulic oil return filter
  - Replacing the pilot line filter
  - Replacing the travel motor gear oil
  - Replacing the air cleaner element
  - Replacing the air breather filter
  - Inspecting and adjusting the engine valve clearance
- Every 1500 hours
  - Inspecting the crankcase breather system
- Every 2000 hours
  - Cleaning the engine cooling system
  - Inspecting the accumulator (If equipped)
- Every 3000 hours
  - Inspecting the turbocharger (blow wash as necessary)
  - Inspecting, cleaning and checking operation of the EGR valve
  - Cleaning the EGR lead valve
  - Cleaning the EGR cooler (cleaning the water side and exhaust air passage blower)
  - Inspecting the operation of the air intake throttle valve
  - Inspecting and cleaning the fuel injector
- Every 4000 hours
  - Replacing the hydraulic oil and cleaning the suction strainer
- When required
  - Replacing the bucket teeth and the side cutters
  - Replacing the bucket
  - Adjusting the gap between the bucket and arm (If equipped)
  - Inspecting and replenishing the windshield washer fluid
  - Inspecting and cleaning the DPF soot filter
  - Draining the water from the water separator
  - Lubricating the levers and pedals
  - Inspecting the rubber crawlers
  - Replacing the rubber crawlers
- Every 2 years
  - Replacing the receiver dryer
- Maintenance during extended storage period
Troubleshooting
- Symptoms that are not malfunctions
- If the engine overheats
- If the battery goes dead
- If a fuse blows
  - Inspecting and replacing the fuse
  - Inspecting the fusible link
- Restarting after adding fuel
  - Bleeding air from the fuel system
- If a warning lamp flashes
- Vehicle error code list
- Engine error code list
- Other symptoms
- Lowering the boom to the ground
- Towing
- If the cab or canopy is damaged
- Exhaust gas control system error
  - Error code list
  - NOx control diagnostic system (NCD)
  - Particulate control diagnostic system (PCD)
  - Limiting the engine output
Specifications
- Basic Specifications
- Machine dimensions
- Operating ranges
- Lifting Capacities
Options
- General precautions
  - Safety precautions
  - Cautions when installing attachments
  - Cautions when operating attachments
- Attachment combination table
- Selecting a lever pattern
  - Switching the lever pattern
- Hydraulic breaker
  - Cautions on operating
  - Replacing the hydraulic oil regularly
- Travel alarm
- Optional equipment mass
- Biodegradable oil
  - Replacing the mineral oil with biodegradable oil
- Cab options
- Angle dozer blade
  - Specifications
- Operating lever switch kit 1
  - Horn button
  - Deceleration button
  - Travel speed button
  - Auxiliary 1st switches
  - Auxiliary 2nd/4th switch
  - Auxiliary 2/4 select button
- Takeuchi Security System
  - Starter key
  - Starting the engine
  - Registering and deleting the starter key
  - If the master key is lost
  - Countries where the system can be used
- LED lights
- Takeuchi Fleet Management (TFM)