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| Home / Compact Track Loaders / Takeuchi Compact Track Loaders / Takeuchi TL250 |
Takeuchi TL250 Troubleshooting
The
Takeuchi TL250 track loader driveline system components: 230 cu.in (3.8L) Kubota
V3800-DI-T 4-cylinder turbocharged liquid-cooled diesel engine with a rated
power of 92 hp (68.6 kW), and hydrostatic transmission. The hydraulic system has
a pump with a rated flow of 23.5 gpm (88 lpm) or 40 gpm (152 lpm). The Takeuchi
TL250 is equipped with a radial-lift boom, 17.7" (450 mm) rubber tracks, welded
track frame, steel track rollers, and hydraulic self leveling. The loader has a
bucket breakout force of 8690 lbs (3925 kg) and maximum lift height of 126.2"
(3205 mm) to hinge pin. The rated operating capacity is 3750 lbs (1700 kg), and
tipping load is 7500 lbs (3400 kg).
| Engine Troubleshooting |
Engine starts up hard or doesn't start
Air trapped in fuel system - Bleed air.
Clogged fuel filter - Clean or change the filter.
Fuel injection nozzles are damaged or dirty - Inspect nozzles and replace if necessary.
Dirt or water in fuel system - Drain water or flush dirt from the system.
Incorrect valve clearance - Have it adjusted.
Damaged fuel injection pump - Replacement or repair required.
Engine starts but then stops
Dirty air cleaner - Clean or change.
Fuel filter element clogging - Clean or replace the filter.
Fuel injection pump is leaking - Repair any leaks.
Defective or clogged fuel injectors - Test and replace fuel injectors if necessary.
Fuel injection pump damage - Replacement or repair required.
Diesel shuts off while driving
Low coolant temperature - Warm up engine as required.
Fuel filter is plugged - Replace filter element.
Air trapped in fuel system - Bleed air.
Faulty fuel injection nozzles - Clean or change injection nozzles.
Fuel injection pump timing is not adjusted - Set up as recommended.
Engine stalls while idling
Low idle speed setting is incorrect - Test and adjust.
Fuel injection pump malfunction - Replace or repair injection pump.
Damaged or clogged injectors - Test and replace fuel injectors if necessary.
Excessive valve clearance - Check and adjust as required.
Diesel engine is losing power
Air filter is clogged - Clean or change.
Fuel injection nozzles are damaged or dirty - Replace injection nozzles.
Incorrect fuel injection pressure - Adjust to proper pressure.
Valve clearance is not correct - Adjust valve clearance.
Wrong adjustment of low idle speed - Need to adjust idle speed.
Fuel lines or hoses are dirty - Clean fuel hoses and lines.
Cylinder-head gasket is broken - Change cylinder head gasket.
Piston rings are damaged or leaking - Replace the piston rings as required.
Engine overheats
Insufficient coolant fluid - Top up coolant fluid and check system for leaks.
Engine oil level is low - Fill up the oil to required level.
Defective radiator cap or clogged radiator fins - Clean radiator or replace cap.
Fan belt is loose or defective - Change the fan belt.
Engine overload - Reduce engine load.
Oil pressure is low
Engine oil insufficient - Fill crankcase to proper oil level.
Engine oil filter is plugged - Change or clean engine oil filter element.
Improper type of engine oil - Use the specified type of engine oil.
Excessive main bearing oil clearance - Bearings need to be reinstalled.
Defective oil pump - Remove and inspect oil pump.
Engine noises or knocks
Engine oil level is low - Check oil level and add oil as required.
Engine is cold - Normalize the temperature by warming up the engine.
Improper fuel injection timing - Adjust according to specifications.
Incorrect low idle setting - Adjust low idle speed.
Dirty or defective injectors - Change or clean fuel injectors.
Connecting rod is not aligned or defective - Need to align or replace the connecting rod.
Broken or worn pistons - Install new pistons.
| Drive System Troubleshooting |
Machine will not move forward or backward
Hydraulic fluid is insufficient - Add fluid as required.
Defective or blocked undercarriage tracks - Repair or remove blockage.
Input drive shaft malfunctioning - Repair or replace drive shaft.
Relief valve malfunction - Repair or change.
Hydraulic filter or suction line is clogged - Service suction line or change hydraulic filter.
Worn or damaged foot or hand controls - Repair or replace.
Damaged drive pump or motor - Change or repair faulty component.
Machine won't move straight or moves jerky
Jammed or damaged track mechanism - Repair or fix jamming.
Sagging or worn tracks - Repair tracks or correct track sag with tension.
Debris, dirt, or foreign objects stuck in undercarriage track frame - Clean track frame, remove debris and foreign objects.
Power is too low
Hydraulic oil filter is plugged - Replace or clean hydraulic filter.
Relief valve is damaged or open - Replace or close relief valve.
Faulty or damaged transmission components - Inspect and replace defective parts.
Damaged input drive shaft - Service or change faulty drive shaft.
Hydraulic system is leaking air - Bleed hydraulic system.
Drive system keeps overheating
Hydraulic fluid is insufficient - Checking hydraulic fluid level and add if necessary.
Plugged hydraulic fluid filter - Change hydraulic filter.
Relief valve malfunction - Repair or replace.
Drive pump or hydraulic motor malfunction - Repair or replace faulty component.
Oil cooler is clogged - Cooling fins should be cleaned.
Drive system is overloaded - Reduce the load.
Drive system is noisy
Oil viscosity is too heavy - Use proper oil viscosity.
Hydraulic system is leaking air - Air bleeding is required.
Worn hydraulic motor or drive pump - Check and repair if required.
Worn or damaged mechanical components of drive system - Check the parts for worn or defect and replace if required.
| Hydraulics Troubleshooting |
Hydraulic system overheated
Hydraulic pressure incorrectly adjusted - Correct setting is required.
Main relief valve malfunction or improper adjustment - Replace or set up the relief valve.
Hydraulic oil is contaminated - Fill up with fresh hydraulic oil.
Hydraulic oil level is low - Check oil level and add hydraulic oil as required.
Hydraulic pump is worn - Repair or install new hydraulic pump.
Lift arm fails to drop or lift
Lift controls are defective - Inspect and repair if necessary.
Hydraulic pump failure - Repair or install new hydraulic pump.
Hydraulic control valve is defective - Repair or replace the valve.
Faulty hydraulic cylinder - Repair or replace hydraulic cylinder.
Low hydraulic fluid level - Add fluid as required.
Bucket is not working
Bucket tilt controls are damaged - Change or repair.
Hydraulic pump failure - Repair or install new hydraulic pump.
Faulty hydraulic control valve - Repair or replace the valve.
Damaged bucket cylinder - Change or repair cylinder.
Hydraulic oil is insufficient - Checking hydraulic oil level and add if necessary.
Slow bucket or lift arm operation
Worn hydraulic oil pump - Flow-rate hydraulic pump and replace pump if necessary.
Hydraulic cylinder oil leakage - Correct leakage by changing the seals.
Hydraulic oil is insufficient - Checking hydraulic oil level and add if necessary.
Hydraulic control valve is unadjusted or worn - Adjust properly or repair.
Hydraulic pressure has dropped - Set pressure correctly.
Lift arm or bucket jerks when working
Air trapped in hydraulic system - Need to bleed air.
Dirty hydraulic oil filter element - Clean or install new filter.
Hydraulic fluid is dirty - Fill up with fresh hydraulic fluid.
Scored cylinder tube or rod - Change failed component.
Hydraulic pump is excessively noisy
Not enough oil or hydraulic system leaking - Repair hydraulic leaks or add oil as required.
Hydraulic filter clogging - Clean or replace the filter.
Suction line is dirty - Need to service the suction line.
Air trapped in hydraulic pump - Air bleeding is required.
Pump components are worn out - Rebuild or change hydraulic pump.
| Electrical Troubleshooting |
Battery will not charge
Electrical wire connections are corroded or loose - Service or tighten connections.
Battery terminal clamps are defective - Change terminal clamps.
Defective battery - Change the battery.
Belt is defective or loose - Need to adjust belt tension or replace belt.
Starter turning slow
Battery capacity is low - Charge the battery.
Battery discharges quickly - Service charging system or change battery.
Disconnected battery cables or bad terminals - Connect wires correctly or change terminals.
Starter does not work
Battery is discharged or defective - Charge or change the battery.
Disconnected or incorrectly connected wires - Inspect battery wires and connect correctly.
Low battery capacity - Low battery charging, charge as required.
Faulty starter motor - Change or repair starter.
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| COMPACT TRACK LOADERS SPECIFICATIONS |