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Takeuchi TL8R2 Troubleshooting
The
Takeuchi TL8R2 compact track loader driveline system components: Kubota
V3307-CR-TE5B 4-cylinder turbocharged liquid-cooled diesel engine with a rated
power of 74.3 hp (55 kW), and hydrostatic transmission. The hydraulic system has
a pump with a rated flow of 19.1 gpm (72.3 lpm) or 33.8 gpm (128 lpm). The
Takeuchi TL8R2 is equipped with a radial-lift boom, 15.7" (400 mm) rubber
tracks, track rollers with metal face seals, and hydraulic self leveling. The
loader has a bucket breakout force of 6205 lbs (2815 kg) and max lift height of
121.3" (3080 mm) to hinge pin. The rated operating capacity is 3020 lbs (1370
kg), and tipping load is 6040 lbs (2740 kg).
| Engine Troubleshooting |
Diesel engine hard to start or doesn't start
Air trapped in fuel system - Bleed air.
Fuel filter element is clogged - Service the filter.
Fuel injection nozzles are faulty or clogged - If necessary, replace with a new nozzle.
Water in the fuel system - Change fuel and repair fuel system.
Incorrect valve clearance - Adjust to proper valve clearance.
Fuel injection pump is faulty - Repair or install a new fuel pump.
Diesel starts and suddenly stops
Air filter is dirty - Install new air filter element.
Clogged fuel filter - Change the filter element.
Poor fuel injection pump tightness - Look for any leaks of fuel pump, tighten it fast.
Fuel injectors are dirty or defective - Change or clean fuel injectors.
Defective fuel injection pump - Install a new fuel pump or repair.
Engine stalls during operation
Coolant temperature is low - Warm up engine as required.
Dirty fuel filter - Clean or replace the filter.
Air in the fuel pipes - Bleed the fuel pipes.
Fuel injection nozzles are damaged - Check injection nozzles and replace if required.
Improper fuel injection timing - Set up as recommended.
Engine stalls when idling
Low idle speed adjustment is incorrect - Correct low idle adjustment.
Defective fuel injection pump - Replace or repair injection pump.
Fuel injectors are dirty or defective - Clean or replace fuel injectors.
Valve clearance is not correct - Correct valve clearance.
Lack of engine power
Air filter is clogged - Clean or change filter.
Dirty or faulty injection nozzles - If necessary, replace with a new nozzle.
Incorrect fuel injection pressure - Correct the pressure settings.
Valve out of adjustment - Adjustment procedure required.
Improperly adjusted low idle speed - Adjust low idling as recommended.
Clogged fuel lines or hoses - Service fuel lines and hoses.
Cylinder head gasket is damaged - Gasket should be replaced.
Leaking or defective piston rings - Piston rings replacement required.
Engine overheating
Coolant level is low - The cooling system needs to be refilled and checked for faults.
Engine oil level is insufficient - Fill the crankcase with engine oil.
Damaged radiator cap or dirty radiator core - Install new cap or clean radiator.
Broken or loose fan belt - The fan belt needs to be replaced.
Engine is overloaded - Load reducing is recommended.
Oil pressure is low
Not enough oil in the engine - Need to add oil.
Plugged engine oil filter - Replace or clean engine oil filter element.
Incorrect engine oil Drain and refill with oil of correct grade and viscosity.
Incorrect crankshaft bearing oil clearance - Replace bearings.
Oil pump is worn or damaged - Repair or change.
Engine noise or knocking
Engine oil level low - Fill up the oil to required level.
Coolant temperature is low - Warm up engine as required.
Wrong setting of fuel injection pump timing - Set up as recommended.
Improperly adjusted low idle speed - Adjustment required.
Dirty or defective injectors - Replace or clean fuel injectors.
Connecting rod is worn or misaligned - Need to change or align the connecting rod.
Pistons are worn or scored - Install new pistons.
| Drive System Troubleshooting |
Drive system will not operate in either direction
Low hydraulic oil level - Check and refill the hydraulic oil.
Jammed or damaged undercarriage tracks - Remove jamming or repair tracks.
Input drive shaft is not working properly - Replace drive shaft.
Defective or worn relief valve - Repair or change.
Dirty suction line or hydraulic filter - Clean suction line or replace hydraulic filter.
Faulty hand or foot controls - Replace or repair.
Drive pump or motor is damaged - Replace or repair faulty component.
Machine will not drive straight or drives jerky
Undercarriage tracks are defective or jammed - Remove jamming or repair tracks.
Tracks are sagging or faulty - Adjust track sag with tensioning or replace tracks.
Debris, dirt, or foreign objects stuck in undercarriage track frame - Remove debris or foreign objects and clean track frame.
Power is too low
Hydraulic oil filter is plugged - Change or clean hydraulic filter.
Relief valve is worn or opened - Close or replace relief valve.
Worn or defective transmission parts - Inspect and change defective parts.
Input drive shaft is damaged - Repair or install a new drive shaft.
Air trapped in hydraulic system - Bleed air from system.
Overheated drive system
Hydraulic oil is insufficient - Fill the system to proper hydraulic oil level.
Hydraulic fluid filter is clogged - Check, clean, or change as necessary.
Relief valve failure - Rebuild or install a new relief valve.
Damaged drive pump or hydraulic motor - Inspect and replace as necessary.
Oil cooler is clogged - Cooling fins should be cleaned.
Overloaded drive system - Reduce the load.
Drive system is excessively noisy
Incorrect oil viscosity - Drain and refill with proper oil.
Air in hydraulic system - Need to bleed air.
Hydraulic motor or drive pump is worn - Change or repair faulty component.
Mechanical parts of drive system are damaged or worn - Inspect drive system and replace faulty parts.
| Hydraulics Troubleshooting |
Hydraulic system overheating
Hydraulic pressure is incorrect - Adjust it correctly.
Defective or misadjusted main relief valve - Replace or set up the relief valve.
Contaminated hydraulic oil - The oil must be changed.
Not enough hydraulic oil in the system - Fill the hydraulic system with oil.
Hydraulic pump is defective - Repair or change pump if required.
Boom can't lift or drop
Faulty lift controls - Repair or change.
Hydraulic pump is broken - Repair or install new hydraulic pump.
Damaged hydraulic control valve - Change or repair hydraulic valve.
Hydraulic cylinder malfunction - Change or repair lift cylinder.
Low hydraulic oil level - Need to add oil.
Bucket can't tilt
Bucket tilt controls malfunction - Replace or repair.
Hydraulic pump failure - Repair or install new hydraulic pump.
Faulty hydraulic control valve - Repair or replace hydraulic valve.
Broken bucket cylinder - Repair or replace cylinder.
Insufficient hydraulic oil - Check and refill the hydraulic oil.
Bucket or lift arm is working slowly
Defective hydraulic pump - Test the pump flow rate and change pump if required.
Leaking hydraulic cylinder - Change cylinder piston seals.
Hydraulic oil level low - Need to add oil.
Defective or not adjusted hydraulic control valve - Set correctly or repair.
Low hydraulic pressure - Adjust pressure correctly.
Bucket or boom is moving jerkily
There is air in the hydraulic system - Need to bleed air.
Hydraulic oil filter clogging - Service or change the hydraulic filter.
Hydraulic oil is dirty - Hydraulic oil change required.
Cylinder tube or rod is scored - Change defective component.
Hydraulic pump makes excessive noise
Hydraulic leakage or low oil level - Remedy hydraulic leakage or refill oil as necessary.
Clogged hydraulic filter - Service or change hydraulic filter.
Suction line clogging - Need to service the suction line.
Pump sucks air - Remove air from hydraulics.
Pump components are worn out - Install new hydraulic pump or rebuild it.
| Electrical Troubleshooting |
Battery cannot be charged
Corroded or loose wire connections - Service or tighten cable connections.
Faulty battery terminal connectors - Install new terminal connectors.
Worn-out battery - Use a new battery.
Loose or worn belt - Belt needs to be adjusted or replaced.
Starter cranks slow
Battery power is low - Low battery charging, charge as required.
Battery will not hold charge - Battery needs service or replacement.
Terminals are faulty or battery cables are disconnected - Check wiring and clean or replace terminals.
Starter will not crank
Battery is drained or worn - Change or recharge battery.
Battery cables are disconnected or improperly connected - Inspect cables and connect properly.
Battery capacity is low - Low battery charging, charge as required.
Defective starter motor - Replace or repair starter.
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| COMPACT TRACK LOADERS SPECIFICATIONS |