Built for the Takeuchi TL250 track loader and the V3 series diesel behind it, this 548-page Takeuchi TL250 service manual PDF (OEM ID CU3E004) spans twelve engine variants, from the V3-E3B to the V3800DI-T-E3BG. Hydraulic circuit diagrams trace oil from the pumps out to the lift arms, bucket cylinders and drive motors, and wire harness diagrams show you where every circuit runs before you pull a connector. Disassembly and assembly fills the largest share of the book, troubleshooting runs long (air conditioner included), and the closing engine chapters work through fuel, cooling, turbocharger, starter and alternator. Check travel pressure at 34.3 +5.9 MPa on each side, and bring the travel motor and sprocket bolts to 241 N·m. Alone with a down machine, there's nobody to ask. Your bookmarked, text-searchable copy prints clean, so the pages you need can go to the bench and soak up the grease.
What's Inside This Takeuchi TL250 Manual
| System | Pages | Key Topics |
|---|---|---|
| Workshop Manual | 1 | |
| Safety | 3-12 | Safety Precautions |
| Service Data | 13-59 | Performance Criteria, Hydraulic Circuit Diagram, Wire Harness Diagram |
| Function | 60-109 | Air Conditioner System |
| Disassembly and Assembly | 110-259 | HST Pump |
| Troubleshooting | 260-331 | Air Conditioner |
| Tl250-1 | 333-392 | Engine Identification, General Precautions, Maintenance Check List, Check and Maintenance, Special Tools |
| Tl250-2 | 393-448 | Engine Body, Lubricating System, Cooling System, Fuel System, Turbocharger System |
| Tl250-3 | 449-507 | Troubleshooting, Servicing Specifications, Tightening Torques, Checking, Disassembling and Servicing |
| Tl250-4 | 508-548 | Flywheel and Crankshaft, Intake Air Heater, Starter, Alternator |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Hydraulic oil pressure (Travel) - Right | 34.3 +5.9 MPa | p. 21 |
| Hydraulic oil pressure (Travel) - Left | 34.3 +5.9 MPa | p. 21 |
| Travel motor fixing bolt torque | 241 N·m | p. 122 |
| Sprocket fixing bolt torque | 241 N·m | p. 122 |
| Pilot valve secondary pressure | 0 to 3.2 MPa | p. 269 |
| Pilot valve pressure | 0 to 3.2 MPa | p. 281 |
| Engine Oil Capacity (Upper limit) | 13.2 L | p. 18 |
| Engine Oil Capacity (V3-E3B Series) | 13.2 L | p. 18 |
| Hydraulic Oil Tank Capacity | 60 L | p. 18 |
| Travel Reduction Gear Oil Capacity | 1.6 L | p. 18 |
| Hydraulic System Set Pressure (Control valve) | 3.3 MPa | p. 17 |
| Travel Motor Effective Differential Pressure | 34.5 MPa | p. 16 |
Takeuchi TL250 Common Problems This Manual Covers
Takeuchi TL250 track loader travel drive fails to move or 2nd speed will not engage
Measure pilot valve secondary pressure following page 269 and confirm it reads 0 to 3.2 MPa. If pilot is good, gauge the right and left travel circuits against 34.3 +5.9 MPa and low charge pressure against 1.8 ±0.3 MPa per page 21 before you condemn the HST pump.
Manual Section: Traveling Troubleshooting p. 269Machine veers to one side when traveling straight ahead on level ground
Check crawler tension on both tracks first and adjust each side to 25 to 50 mm following page 20. Then gauge the right and left travel pressures separately against 34.3 +5.9 MPa on page 21. If one side reads low, that is your problem circuit, so work the traveling troubleshooting flow from there.
Manual Section: Traveling Troubleshooting p. 21Lift arms drop on their own or the arm cylinder raises slowly under load
Check the control valve spool for sticking and inspect the valve for external oil leaks, because the control valve troubleshooting chart lists actuator drop alongside both. Rule out the valve first, then follow the lift arm troubleshooting flow for arm cylinder failure and slow operation before you pull the cylinder.
Manual Section: Lift Arm TroubleshootingBucket cylinder curls slowly, will not move, or the bucket drops on its own
Measure pilot valve pressure following page 281 and confirm 0 to 3.2 MPa. If pilot is in range, gauge the bucket circuit against 20.6 +1.8 MPa per page 21. If pressure is good and the bucket still drifts, move on to the control valve spool and the bucket cylinder itself.
Manual Section: Bucket Troubleshooting p. 281HST pump will not hold neutral, travel direction is wrong, or the pump overheats
Check hydraulic oil level first; the tank holds 60 L per page 18. Then gauge charge pressure against page 21: low 1.8 ±0.3 MPa and high 2.3 ±0.2 MPa. Sort out charge pressure before you work the HST pump troubleshooting chart for neutral, direction and overheating faults.
Manual Section: HST Pump Troubleshooting p. 21Travel motor leaking oil or travel speed fluctuating under steady lever input
Inspect the travel motor for oil leaks and work the travel motor troubleshooting chart for speed and fluctuation faults. If the motor has to come off, rig for its 86 kg weight, and on reinstall torque the travel motor fixing bolts and sprocket fixing bolts to 241 N·m following page 122.
Manual Section: Disassembly and Assembly p. 122Frequently Asked Questions
How do I release hydraulic pressure on a Takeuchi TL250?
To release residual pressure in the hydraulic system, gradually loosen the vent plug on the hydraulic oil tank. Additionally, move all control levers and pedals several times in all directions to release pressure from the working equipment circuits. p. 9
How do I bleed air from the hydraulic cylinders on a Takeuchi TL250?
After replacing hydraulic oil or components, start the engine and let it idle for 5 minutes. With the engine at low idle, extend and retract each cylinder 4 or 5 times without reaching the stroke end, then repeat this process at high speed and again at low idle. p. 138
What is the engine oil capacity for the Takeuchi TL250?
The engine oil pan capacity for the TL250 is 13.2 liters. p. 15
What is the tightening torque for the cylinder head cover screw on the Takeuchi TL250 V3800DI-T engine?
The tightening torque for the cylinder head cover screw on the V3800DI-T engine is 6.9 to 11.2 N·m (0.70 to 1.15 kgf·m). p. 451
What is the correct fan belt tension for the V3800DI-T engine?
The fan belt should be depressed halfway between the fan drive pulley and alternator pulley with a force of 98 N (10 kgf, 22 lbf), resulting in a deflection of 10 to 12 mm. p. 453
Is this Takeuchi TL250 Service Manual a digital download?
Immediate download of the complete 548-page searchable Service Manual. Access it on any device, from a laptop at your desk to a phone in the field.
Am I able to print pages from this Takeuchi TL250 manual?
Yes. Many buyers print one chapter at a time for their own shop and keep the rest on a tablet.
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