Takeuchi TB228, TB235, TB250 Mini Excavator Operators Manual (AG7EN032)

Format: PDF (Printable Document)

File Language: English

File Pages: 269

File Size: 21.15 MB (Speed Download Link)

Brand: Takeuchi

Model: TB228, TB235, TB250 Mini Excavator

Book No: AG7EN032

Type of Document: Operators Manual

Categories: PDF, Takeuchi PDF

$ 40

Takeuchi TB228, TB235, TB250 Mini Excavator Operators Manual (AG7EN032)

These TB228, TB235 and TB250 minis usually live on tight jobsites—trenching around services, digging footings, working on slopes and in cluttered yards. This operator’s manual is what I’d keep handy to run the machine the way it was designed: it explains the controls, what “normal” feels like under load, and how to spot trouble early. If, for example, the boom feels jumpy when you’re slewing on a pile, this is the book I’d use to verify operating technique, check the right daily inspections, and decide whether it’s operator habit or something that needs a mechanic.

Applications & Use Cases

Daily walk‑around checks so you catch leaks, loose hardware and track issues before they get worse.
Learning smooth control operation when trenching near utilities or structures on uneven ground.
Understanding machine behavior with different bucket sizes or when lifting heavy pipe or boxes.
Setting good warm‑up and shutdown habits to avoid premature wear on hydraulics and swing components.
Improving visibility and load awareness when working close to trucks, pedestrians or traffic.

FAQ

Q: Can I keep this manual on my phone or tablet in the cab?

A: Yes, it’s practical to use digitally; you can zoom diagrams and search terms instead of flipping pages with greasy hands.

Q: Is it worth printing parts of it for the crew?

A: I’d print the daily checks and basic control layouts and laminate them so new operators can reference them right on site.

Safety Note

Always follow the manual’s operating and inspection steps before working on slopes, near edges, or around other people.

📘 Show Index

Takeuchi TB228, TB235, TB250 Mini Excavator Index:

Cover page
Safety alert symbol
- Signal words
- Introduction
  - Foreword
  - Manual storage compartment
  - Serial numbers
- Machine description
  - Front, rear, left and right
  - Designated operations
  - Features
  - Break-in period
  - Notes on reading this manual
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
  - Front cover (tool box)
  - Fuel lid
  - Fuel filler port
  - Side cover
  - Engine hood
- Cab
  - Cab door
  - Emergency exit
  - Front window
  - Lower front window
  - Side window
  - Emergency hammer (optional)
- Seat and seat belt
  - Seat < TB228 >
  - Seat belt <TB228>
  - Seat < TB235 / TB250 >
  - Seat belt <TB235 / TB250>
- Instrument cluster
  - Warning lamps
  - Indicators
  - Meters
  - Hour meter
- Switches
  - Starter switch
  - Horn button
  - Deceleration button
  - Automatic deceleration switch
  - Auxiliary hydraulic switches
  - Third auxiliary hydraulic switch and buttons (Option)
  - Travel speed switch
  - Light switch
  - Wiper switch
- Levers and Pedals
  - Safety lock lever
  - Throttle lever
  - Operating levers
  - Blade lever
  - Travel levers/pedals
  - Boom swing pedal
  - Auxiliary hydraulic pedal (option)
- Accessories
  - Heater
  - Heater (for cold climates)
  - Air conditioner
  - Cup holder
  - Armrest
  - Cigarette lighter
  - Ashtray
  - Interior light
  - Mirrors
  - External power sockets (for EU)
  - Radio (preset buttons on the left)
  - Radio (preset buttons on the right)
  - Auxiliary hydraulic lines
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
  - 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
Transport
- Loading and unloading
- Hoisting the machine
- Securing the machine
  - Precautions to be taken during transportation
Maintenance
- General
  - Maintenance overview
  - Cautions on maintenance
- Service data
  - Fuel and lubricant table
  - Regularly replace the hydraulic oil
  - List of consumables
  - List of tools
  - 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 fluid level and replenishing
- Every 100 hours
  - Cleaning the water separator
- 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)
  - Replacing the engine oil and the oil filter <TB228/235>
  - Cleaning the air cleaner
  - Cleaning the radiator fins and the oil cooler fins
  - Cleaning the air filters
  - Cleaning the condenser (AC)
  - Inspecting the refrigerant (gas) level (AC)
- Every 500 hours
  - Replacing the engine oil and the oil filter <TB250>
  - Replacing the fuel filter
  - Replacing the water separator filter (If equipped with filter for high sulfur fuel)
- 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 (If equipped)
  - Inspecting and adjusting the engine valve clearance
- Every 1500 hours
  - Inspecting and cleaning the engine fuel injectors
  - Inspecting the crankcase breather system
- Every 2000 hours
  - Lapping the engine valve seats
  - Cleaning the engine cooling system
  - Inspecting the accumulator (If equipped)
- 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
  - Lubricating the levers and pedals
  - Inspecting the rubber crawlers
  - Replacing the rubber crawlers
- Every 2 years
  - Replacing the receiver drier
- Tilting up the platform
- 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
- Other symptoms
- Lowering the boom to the ground
- Towing
- If the cab or canopy is damaged
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
- Hydraulic breaker
  - Cautions on operating
  - Replacing the hydraulic oil regularly
- Load safety device
  - Emergency shut-off valve
  - Overload warning device
- Accumulator
  - Operating the machine with an accumulator
- Battery switch
- Selecting a lever pattern
  - Switching the lever pattern
- Travel alarm
- 3-hole bucket
- Arm-in restriction system
- Optional equipment mass
- Biodegradable oil
  - Replacing the mineral oil with biodegradable oil
- MEMO
- Angle dozer blade
  - Specifications
- Conditions for use of bio-diesel fuel (B8 to B20)
- MEMO