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| Home / Skid Steer Loaders / John Deere Skid Steer Loaders / John Deere 324G |
John Deere 324G Troubleshooting
The
John Deere 324G skid steer loader driveline system components: Yanmar 4TNV98CT
4-cylinder direct injection turbocharged intercooled diesel engine with a rated power of 70 hp
(52.5 kW), and 2-speed hydrostatic transmission. The hydraulic system has a pump
with a rated capacity of 21 gal/min (79.6 l/min) or 32 gal/min (121.3 l/min).
The John Deere 324G is equipped with vertical-lift boom, 80HD drive
chains, and 12.00x16.5 standard tires. The loader has a boom breakout force of 5250 lbs
(2385 kg) and bucket breakout force of 8750 lbs (3975 kg). The rated operating
capacity is 2690 lbs (1220 kg), and tipping load is 5380 lbs (2445 kg).
| Engine Troubleshooting |
Engine starts up hard or will not start
Air in the fuel lines - Bleed the fuel lines.
Fuel filter plugged - Clean or change the filter.
Damaged or dirty injection nozzles - Change fuel injection nozzles.
Water in the fuel system - Change fuel and repair fuel system.
Excessive valve clearance - Adjust valve clearance.
Fuel injection pump is not working correctly - Install a new fuel pump or repair.
Diesel starts but stalls suddenly
Dirty air cleaner - Install new air cleaner element.
Fuel filter element is dirty - Change filter element.
Poor fuel injection pump tightness - Look for any leaks of fuel pump, tighten it fast.
Dirty or defective injectors - Test and replace fuel injectors if necessary.
Fuel injection pump failure - Replace injection pump or repair it.
Engine stalls during operation
Coolant temperature is low - Warm up the engine.
Fuel filter plugging - Clean or change the filter.
Air in fuel system - Bleed fuel system.
Fuel injection nozzles are faulty or clogged - Replace injection nozzles.
Improper fuel injection timing - Adjust according to specifications.
Engine stops at low idle speed
Incorrect low idle speed adjustment - Correct low idle settings.
Fuel injection pump damage - Repair or install new pump.
Damaged or clogged injectors - Clean fuel injectors or change it.
Valve out of adjustment - Adjust to proper valve clearance.
Diesel engine loses power
Plugged air cleaner - Clean or change cleaner.
Fuel injection nozzles are damaged - If necessary, replace with a new nozzle.
Improper fuel injection pressure - Check the fuel injection pressure and adjust if necessary.
Valve out of adjustment - Adjust valve clearance according to specifications.
Too low idle RPM - Normalize low idle speed.
Restricted fuel hoses or lines - Clean fuel system hoses and lines.
Cylinder head gasket defective - Cylinder-head gasket replacement required.
Worn or damaged piston rings - Install new piston rings.
Engine is overheated
Insufficient coolant fluid - Fill radiator to proper level and check components for faults.
Insufficient engine oil - Fill up the engine oil.
Dirty radiator core or faulty radiator cap - Install new cap or clean radiator.
Damaged or worn fan belt - Replace as required.
Engine is under excessive load - Load reducing required.
Oil pressure is insufficient
Low crankcase oil level - Fill crankcase to proper oil level.
Oil filter clogging - Change or service engine oil filter.
Improper type of engine oil - Fill up with the proper oil viscosity.
Incorrect oil clearance in crankshaft bearing - Bearing needs to be changed.
Oil pump failure - Repair or change.
Engine knocking or noise
Lack of engine oil - Check and refill engine oil.
Engine is not preheated - Warm up the engine.
Fuel injection pump timing is wrong - Set the fuel pump timing correctly.
Incorrect low idle setting - Need to adjust idle speed.
Fuel injector fault - Replace or clean fuel injectors.
Connecting rod is worn or misaligned - Need to align or replace the connecting rod.
Broken or worn pistons - Pistons need to be replaced.
| Drive System Troubleshooting |
Machine will not move forward or backward
Low hydraulic fluid level - Checking hydraulic fluid level and add if necessary.
Faulty drive chain - Check drive chain and change faulty parts.
Relief valve worn or defective - Relief valve need to be replaced or repair.
Suction line or hydraulic filter is clogged - Service suction line or change hydraulic filter.
Foot or hand controls are defective - Repair or replace.
Drive motor or pump is worn - Check and repair if required.
Loss of power
Dirty hydraulic oil filter - Replace or clean hydraulic filter.
Faulty or opened relief valve - Close or replace relief valve.
Transmission parts are damaged or faulty - Inspect and change faulty parts.
Input drive shaft is stuck - Change or repair faulty drive shaft.
Air in hydraulic system - Need to bleed air.
Overheated drive system
Hydraulic oil level is low - Checking hydraulic oil level and add if necessary.
Hydraulic fluid filter is dirty - Replace or clean hydraulic filter.
Faulty relief valve - Rebuild or install a new relief valve.
Hydraulic motor or drive pump failure - Inspect and replace as necessary.
Dirty oil cooler - Clean the cooling fins.
Drive system overload - Reduce the load.
Drive system makes excessive noise
Oil viscosity is incorrect - Drain and refill with proper oil.
Hydraulic system is leaking air - Need to bleed air.
Hydraulic motor or drive pump is defective - Check and repair if required.
Worn or damaged mechanical components of drive system - Inspect drive system and replace faulty components.
| Hydraulics Troubleshooting |
Hydraulic system overheating
Incorrect hydraulic pressure setting - Correct setting is required.
Faulty or improperly adjusted main relief valve - Replace or set up the relief valve.
Dirty hydraulic fluid - Change hydraulic fluid.
Hydraulic fluid level is insufficient - Fill the hydraulic system with oil.
Worn hydraulic oil pump - Install new pump or repair it.
Boom won't lower or raise
Damaged lift controls - Check and repair as required.
Hydraulic pump is broken - Change or repair hydraulic pump if required.
Hydraulic control valve malfunction - Install a new hydraulic valve or repair it.
Broken hydraulic cylinder - Repair or replace hydraulic cylinder.
Hydraulic oil is insufficient - Need to add oil.
Bucket can't tilt
Bucket controls failure - Replace or repair.
Hydraulic pump failure - Replace or repair pump if necessary.
Hydraulic control valve is faulty - Repair or change the valve.
Defective bucket cylinder - Change or repair cylinder.
Insufficient hydraulic fluid - Fill up the hydraulic fluid.
Boom or bucket is moving slowly
Hydraulic pump is defective - Check the pump capacity and replace pump if required.
Leaking hydraulic cylinder - Cylinder seals need to be replaced.
Insufficient hydraulic fluid - Fill the system to proper hydraulic fluid level.
Hydraulic control valve is defective or set improper - Repair or set correctly.
Hydraulic pressure has dropped - Adjust pressure as required.
Bucket or boom jerks when working
Air trapped in hydraulic system - Bleed hydraulic system.
Hydraulic oil filter element is clogged - Change or clean oil filter.
Hydraulic oil is contaminated - Change hydraulic oil.
Scratched cylinder rod or tube - Change damaged component.
Hydraulic pump makes excessive noise
Hydraulic leakage or lack of oil - Correct hydraulic leaks or top up oil as needed.
Clogged hydraulic filter - Clean or change the filter.
Clogged suction line - Service the suction line.
Pump sucks air - Air bleeding is required.
Pump parts are faulty - Rebuild or install new pump.
| Electrical Troubleshooting |
Battery cannot be charged
Electrical wire connections are loose or corroded - Service or tighten cable connections.
Defective battery terminal connectors - Replace terminal connectors.
Battery is defective - Battery change required.
Loose or defective belt - Belt needs to be adjusted or changed.
Starter turns slowly
Battery voltage is low - Low battery charging, charge as required.
Battery is draining quickly - Service charging system or replace battery.
Disconnected battery cables or bad terminals - Check cable connections and replace or service terminals.
Starter motor won't turn
Battery is discharged or worn - Battery needs to be recharged or replaced.
Wiring is incorrectly connected or disconnected - Inspect wiring and connect correctly.
Low battery output - Low battery charging, charge as required.
Starter motor failing - Starter should be replaced.
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| SKID STEER LOADERS SPECIFICATIONS |