John Deere 319D Track Loader Troubleshooting

The John Deere 319D compact track loader driveline system components: a 149.1 cu.in (2.4L) JD PowerTech E 4024HT 4-cylinder turbocharged diesel engine with a rated power of 63 hp (47 kW), and 1-speed hydro transmission. The hydraulic system has a pump with a rated flow of 15.5 gpm (59 lpm). The system pressure is 3100 psi (214 bar). The John Deere 319D is equipped with vertical-lift loader boom, wet disc brakes, and 12.6" (320 mm) rubber tracks with steel inserts. The loader has a maximum lift height of 118.1" (3000 mm) to hinge pin and dump height of 94.5" (2400 mm). The rated operating capacity is 1900 lbs (863 kg), and tipping load is 5600 lbs (2540 kg).

Engine Troubleshooting

Diesel hard to start or doesn't start

Air in the fuel lines - Bleed the fuel lines.
Fuel filter element is dirty - Service the filter.
Fuel injection nozzles are faulty or clogged - Replace injection nozzles.
Dirt or water in fuel system - Drain water or flush dirt from the system.
Improper valve clearance - Adjustment procedure required.
Damaged fuel injection pump - Replace or rebuild injection pump.

Diesel starts but immediately shuts off

Air filter is clogged - Clean or change filter.
Dirty fuel filter - Change filter element.
Fuel injection pump has loose connections - Tighten the connections.
Defective or clogged fuel injectors - Replace fuel injectors.
Fuel injection pump is not working correctly - Change pump or rebuild it.

Engine shuts off suddenly during operation

Coolant temperature is low - Warm up to required temperature.
Dirty fuel filter - Change filter element.
Air in the fuel pipes - Bleed the fuel pipes.
Dirty or faulty injection nozzles - Test injection nozzles and change if necessary.
Fuel injection pump timing is not adjusted - Adjust fuel injection pump as required.

Engine stops while idle

Low idle speed setting is not correct - Test and adjust.
Fuel injection pump is not working correctly - Rebuild or change fuel pump.
Defective fuel injectors - Replace or clean fuel injectors.
Valve clearance is out of adjustment - Have it adjusted.

Loss of engine power

Clogged air cleaner - Clean or replace air cleaner element.
Fuel injection nozzles are clogged or faulty - Check injection nozzles and replace if required.
Incorrect fuel injection pressure - Adjust to proper pressure.
Improper valve clearance - Check and adjust as required.
Improperly adjusted low idle speed - Normalize low idle speed.
Fuel hoses or lines are clogged - Clean fuel system hoses and lines.
Cylinder head gasket is blown - Replace cylinder head gasket.
Piston rings are leaking or defective - Replace piston rings.

Engine overheated

Low engine coolant - Fill the cooling system and check components for leaks or other faults.
Engine oil level low - Add oil to the engine crankcase.
Damaged radiator cap or dirty radiator core - Install new cap or clean radiator.
Fan belt is loose or defective - Install new fan belt.
Engine is overloaded - Reduce load on the engine.

Low oil pressure

Low crankcase oil level - Add oil to the engine crankcase.
Oil filter is clogged - Clean or replace engine oil filter element.
Incorrect engine oil Fill up with the proper oil viscosity.
Incorrect crankshaft bearing oil clearance - Bearing needs to be changed.
Oil pump is damaged - Repair or replace.

Engine knocking or noise

Engine oil insufficient - Check oil level and add oil as required.
Engine has not warmed up to recommended temperature - Normalize the temperature by warming up the engine.
Fuel injection pump timing is not adjusted - Adjust the pump as required.
Improperly adjusted low idle speed - Correct the settings.
Fuel injectors are dirty or defective - Change or clean fuel injectors.
Connecting rod failure or misalignment - Align or replace connecting rod.
Pistons are worn or broken - Replace the pistons.

Drive System Troubleshooting

Drive system doesn't work in either direction

Low hydraulic oil level - Check and refill the hydraulic oil.
Jammed or damaged track mechanism - Repair or fix jamming.
Defective relief valve - Repair or install a new relief valve.
Plugged hydraulic filter or suction line - Service suction line or change hydraulic filter.
Faulty hand or foot controls - Replace or repair.
Drive pump or motor malfunction - Inspect and replace as necessary.

Machine does not drive straight or drives jerky

Jammed or damaged undercarriage tracks - Remedy jamming or repair tracks.
Sagging or worn tracks - Repair tracks or correct track sag with tension.
Foreign objects, debris, or dirt stuck in track frame - Clean track frame, remove debris and foreign objects.

Lack of power

Hydraulic oil filter is dirty - Change or service hydraulic filter.
Open or faulty relief valve - Close or replace relief valve.
Faulty or damaged transmission components - Inspect and replace defective parts.
Input drive shaft is damaged - Change or repair faulty drive shaft.
Hydraulic system is leaking air - Need to bleed air.

Drive system overheats

Hydraulic oil level is low - Checking hydraulic oil level and add if necessary.
Hydraulic fluid filter is dirty - Check, clean, or replace as required.
Faulty relief valve - Rebuild or install a new relief valve.
Damaged drive pump or hydraulic motor - Inspect and change as required.
Dirty oil cooler - Clean the cooling fins.
Transmission overloading - Reduce drive system load.

Excessive noise

Wrong oil viscosity - Use proper oil viscosity.
There is air in the hydraulic system - Air bleeding is required.
Damaged drive pump or hydraulic motor - Replace or repair faulty component.
Worn or defective mechanical components of drive system - Check the components for worn or defect and replace if necessary.

Hydraulics Troubleshooting

Hydraulic system overheating

Hydraulic pressure is not correct - Correct adjustment is required.
Main relief valve is damaged or adjusted improperly - Adjust the valve or replace if necessary.
Contaminated hydraulic fluid - Hydraulic fluid change required.
Hydraulic oil level is insufficient - Fill the hydraulic system with oil.
Defective hydraulic pump - Repair or replace pump if necessary.

Boom does not raise or lower

Defective lift controls - Check and repair as required.
Damaged hydraulic oil pump - Repair or install new hydraulic pump.
Faulty hydraulic control valve - Repair or replace hydraulic valve.
Hydraulic cylinder is broken - Repair or replace hydraulic cylinder.
Hydraulic fluid is insufficient - Fill up the hydraulic fluid.

Bucket can't tilt

Damaged bucket controls - Inspect and repair if necessary.
Hydraulic pump is broken - Repair or install new hydraulic pump.
Hydraulic control valve is faulty - Repair or replace hydraulic valve.
Defective bucket cylinder - Repair or install a new cylinder.
Hydraulic fluid level low - Fill up the hydraulic fluid.

Boom or bucket is working slowly

Hydraulic pump is worn - Check pump capacity and change if necessary.
Oil leaks from hydraulic cylinder - Change cylinder piston seals.
Hydraulic fluid level low - Add fluid as required.
Faulty or incorrect setting hydraulic control valve - Repair or set properly.
Hydraulic pressure loss - Correct adjustment is required.

Jerky operation of the bucket or boom

There is air in the hydraulic system - Air bleeding is required.
Dirty hydraulic oil filter element - Change or clean oil filter.
Hydraulic oil contamination - Hydraulic oil change required.
Scratched cylinder rod or tube - Change worn component.

Excessive hydraulic pump noise

Lack of oil or hydraulic leakage - Add hydraulic oil or correct system leaks.
Hydraulic filter clogging - Change or clean oil filter.
Dirty suction line - Suction line must be serviced.
Air trapped in hydraulic pump - Bleed air from hydraulics.
Faulty pump components - Install new hydraulic pump or rebuild it.

Electrical Troubleshooting

Battery does not charge

Corroded or loose cable connections - Tighten or clean connections.
Battery terminal connectors are defective - Replace terminal connectors.
Battery bad cell - Replace the battery.
Belt is damaged or loose - Belt needs to be adjusted or replaced.

Starter motor cranks slow

Low battery output - Recharge the battery.
Battery is not holding charge - Service or replace the battery.
Disconnected battery cables or bad terminals - Check battery wires and service or replace terminals.

Starter motor won't turn

Battery is drained or defective - Need to charge or replace the battery.
Wiring harness is disconnected or improperly connected - Check wiring harness and connect as required.
Low battery power - Battery needs to be recharged.
Starter motor is defective - Repair or change starter.