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Takeuchi TL150 Troubleshooting
The
Takeuchi TL150 track loader driveline system components: a 269 cu.in (4.4L)
Yanmar 4TNV106T vertical in-line 4-cylinder turbocharged liquid-cooled diesel
engine with a rated power of 97 hp (72 kW), and 2-speed hydrostatic
transmission. The hydraulic system has a gear pump with a rated flow of 23.4 gpm
(88.7 lpm). The Takeuchi TL150 is equipped with a radial-lift loader boom,
hydraulic disc brake, 17.8" (450 mm) rubber tracks, and hydraulic self leveling.
The loader has a maximum lift height of 126.1" (3205 mm) to hinge pin and dump
height of 95.7" (2430 mm). The rated operating capacity is 3528 lbs (1604 kg),
and tipping load is 7056 lbs (3208 kg).
| Engine Troubleshooting |
Engine starts up hard or won't start
There is air in the fuel system - Bleed the system.
Dirty fuel filter - Replace the filter element.
Fuel injection nozzles are clogged or faulty - Replace injection nozzles.
Water in the fuel system - Change fuel and repair fuel system.
Incorrect valve clearance - Adjustment procedure required.
Faulty fuel injection pump - Rebuild or replace pump.
Diesel starts and then shuts off
Plugged air filter - Clean or replace element.
Fuel filter plugging - Install new filter element.
Fuel injection pump is leaking - Repair any leaks.
Damaged or clogged injectors - Inspect fuel injectors and change as required.
Faulty fuel injection pump - Replace or repair injection pump.
Engine stops running suddenly
Coolant temperature is low - Warm up the engine.
Clogged fuel filter - Replace the filter element.
Air in the fuel lines - Bleed the fuel lines.
Fuel injection nozzles are damaged - Change fuel injection nozzles.
Fuel injection pump timing is wrong - Set up as recommended.
Engine stops when idle
Low idle speed setting is not correct - Correct low idle adjustment.
Fuel injection pump malfunctioning - Replace or rebuild injection pump.
Fuel injectors are dirty or defective - Clean or replace fuel injectors.
Valve out of adjustment - Adjust to proper valve clearance.
Diesel engine is losing power
Air filter is clogged - Clean or change.
Fuel injection nozzles are faulty or clogged - If necessary, replace with a new nozzle.
Fuel injection pressure is wrong - Adjust pressure to proper level.
Excessive valve clearance - Correct valve clearance needs to be set.
Wrong adjustment of low idle speed - Correct the settings.
Restricted fuel hoses or lines - Clean fuel hoses and lines.
Blown cylinder head gasket - Replace cylinder head gasket.
Leaking or defective piston rings - Install new piston rings.
Engine overheats
Low coolant level - The cooling system needs to be refilled and checked for faults.
Engine oil insufficient - Check and refill engine oil.
Clogged radiator fins or damaged radiator cap - Clean radiator or install new cap.
Loose or damaged fan belt - Belt change is required.
Engine overloaded - Load reducing required.
Oil pressure is low
Low oil level - Add oil to the engine crankcase.
Plugged engine oil filter - Clean or replace engine oil filter element.
Incorrect oil viscosity - Drain crankcase and refill with correct oil.
Incorrect oil clearance in main bearing - Bearing replacement required.
Defective oil pump - Repair or change.
Engine knocking or noise
Engine oil insufficient - Add oil to the engine crankcase.
Engine is cold - Warm up engine as required.
Incorrect adjustment of fuel injection pump timing - Adjust the pump as required.
Incorrectly set low idle speed - Adjustment required.
Clogged or defective injectors - Test and replace fuel injectors if necessary.
Connecting rod is not aligned or worn - Connecting rod needs to be replaced or aligned.
Piston wear or scoring - Pistons replacement required.
| Drive System Troubleshooting |
Machine is not moving forward or backward
Insufficient hydraulic fluid - Fill up the hydraulic fluid.
Damaged or jammed undercarriage tracks - Remedy jamming or repair tracks.
Input drive shaft is defective - Repair or install a new drive shaft.
Relief valve defective or worn - Service or change relief valve.
Hydraulic filter or suction line is clogged - Service suction line or replace hydraulic filter.
Foot or hand controls are damaged - Inspect and repair if necessary.
Drive motor or pump failure - Inspect and change as required.
Machine will not move straight or moves jerkily
Damaged or jammed track mechanism - Remove jamming or repair tracks.
Tracks are faulty or improperly tensioned - Adjust track tension properly or repair tracks.
Foreign objects, debris, or dirt stuck in track frame - Remove debris or foreign objects and clean track frame.
Power is too low
Clogged hydraulic oil filter - Change or clean hydraulic filter.
Relief valve is opened or defective - Close or change relief valve.
Defective or worn transmission parts - Inspect and change defective parts.
Input drive shaft is stuck - Change or repair faulty drive shaft.
There is air in the hydraulic system - Bleed hydraulic system.
Drive system is overheated
Hydraulic fluid is insufficient - Add fluid as required.
Clogged hydraulic fluid filter - Replace or service hydraulic filter.
Faulty relief valve - Change or repair defective relief valve.
Damaged drive pump or hydraulic motor - Check and repair if required.
Clogged hydraulic oil cooler - Clean cooling fins as required.
Drive system overloaded continuously - Load needs to be reduced.
Excessive noise
Wrong oil viscosity - Use proper oil viscosity.
There is air in the hydraulic system - Air bleeding is required.
Defective drive pump or hydraulic motor - Replace or repair faulty component.
Worn or damaged mechanical components of drive system - Check drive system and change faulty parts.
| Hydraulics Troubleshooting |
Hydraulic system is overheated
Incorrect hydraulic pressure setting - Adjust pressure correctly.
Main relief valve is damaged or adjusted improperly - Adjust or change relief valve.
Hydraulic oil is dirty - Hydraulic oil change required.
Hydraulic fluid level is insufficient - Check and refill the hydraulic fluid.
Faulty hydraulic oil pump - Replace or repair pump if necessary.
Boom cannot be lowered or raised
Faulty lift controls - Repair or replace.
Defective hydraulic pump - Install new pump or repair it.
Hydraulic control valve malfunction - Install a new hydraulic valve or repair it.
Hydraulic cylinder failure - Replace or repair boom cylinder.
Low hydraulic oil level - Check and refill the hydraulic oil.
Bucket does not tilt
Bucket controls failure - Check and repair as required.
Hydraulic pump malfunction - Install new pump or repair it.
Hydraulic control valve malfunction - Replace or repair the valve.
Faulty hydraulic bucket cylinder - Repair or change cylinder.
Hydraulic oil level low - Need to add oil.
Bucket or lift arm is moving slowly
Defective hydraulic pump - Check the pump performance and replace it if required.
Hydraulic cylinder oil leakage - Cylinder seals need to be replaced.
Low hydraulic oil level - Check and refill the hydraulic oil.
Hydraulic control valve is defective or set improper - Repair or adjust correctly.
Hydraulic pressure loss - Correct setting is required.
Lift arm or bucket is moving jerkily
There is air in the hydraulic system - Bleed hydraulic system.
Plugged hydraulic oil filter - Service or replace the hydraulic filter.
Hydraulic oil contamination - The oil must be changed.
Cylinder tube or rod is scored - Replace worn component.
Hydraulic pump is noisy
Hydraulic leaks or low oil level - Refill hydraulic oil or repair leaks in system.
Hydraulic filter clogging - Clean or replace the filter.
Dirty suction line - Need to service the suction line.
Air in hydraulic pump - Bleed air from hydraulics.
Worn pump parts - Replace or rebuild the pump.
| Electrical Troubleshooting |
Battery won’t charge
Wiring connections are corroded or loose - Service or tighten cable connections.
Faulty electrical terminal connectors - Terminal connectors need to be changed.
Battery bad cell - Replace the battery.
Belt is damaged or loose - Change belt or adjust belt tension.
Starter turns slowly
Low battery output voltage - Low battery charging, charge as required.
Battery will not hold charge - Service or replace the battery.
Battery terminals are corroded or wires are disconnected - Check wiring and clean or replace terminals.
Starter does not work
Battery is discharged or worn - Need to charge or replace the battery.
Wire harness is disconnected or incorrectly connected - Check wire harness and connect as required.
Battery power is low - Battery is drained, recharge it.
Defective starter motor - Change or repair starter.
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| COMPACT TRACK LOADERS SPECIFICATIONS |