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New Holland L325 Troubleshooting

The New Holland L325 skid steer loader driveline system components: FPT F5C E5454 four-cylinder direct injection turbocharged diesel engine with a rated power of 76 hp (57 kW), and 1-speed or 2-speed hydrostatic transmission. The hydraulic system has a pump with a rated capacity of 22.5 gal/min (85 l/min) or 34.5 gal/min (131 l/min). The New Holland L325 is equipped with a vertical-lift boom, ASA 100 drive chains, and 12x16.5 standard tires. The skid steer loader has a max lift height of 129.5" (3290 mm) to hinge pin and dump height of 103" (2615 mm). The rated operating capacity is 2500 lbs (1135 kg), and tipping load is 5000 lbs (2270 kg).

Engine Troubleshooting

Engine difficult to start or will not start
Air in the fuel pipes - Bleed the fuel pipes.
Fuel filter element is clogged - Service the filter.
Burnt or clogged injection nozzle - Clean or change injection nozzles.
Water or dirt in fuel system - Drain, flush, and service the system.
Incorrect valve clearance - Adjust to proper valve clearance.
Fuel injection pump malfunction - Change or repair the pump.

Engine stalls after starting
Plugged air cleaner - Clean or change cleaner.
Fuel filter element is clogged - Change or clean the filter element.
Fuel injection pump leakage - Check the fuel injection pump for leaks and fix it.
Fuel injectors are dirty or defective - Inspect fuel injectors and change as required.
Fuel injection pump is broken - Rebuild or change fuel pump.

Engine shuts off suddenly during operation
Low coolant temperature - Warm up engine as required.
Dirty fuel filter - Change the filter element.
Air in fuel system - Bleed fuel system.
Clogged or burnt injection nozzle - Test injection nozzles and change if necessary.
Timing of fuel injection pump is incorrect - Set it up as required.

Engine stalls when idle
Incorrectly adjusted low idle speed - Correct low idle settings.
Defective fuel injection pump - Replacement or repair required.
Clogged or defective injectors - Inspect fuel injectors and change as required.
Valve clearance is not correct - Adjust valve clearance according to specifications.

Diesel power loss
Air cleaner is clogged - Clean or change cleaner.
Defective or clogged injection nozzle - Check and replace nozzles if required.
Incorrect fuel injection pressure - Adjust to correct pressure.
Excessive valve clearance - Adjust valve clearance.
Improperly adjusted low idle speed - Test and adjust.
Fuel lines or hoses clogging - Clean fuel lines and hoses.
Defective cylinder head gasket - Replace the gasket as required.
Worn or damaged piston rings - Piston rings need to be replaced.

Engine overheated
Insufficient coolant fluid - Add coolant and check the components of cooling system.
Not enough engine oil - Add oil to the engine crankcase.
Dirty radiator core or faulty radiator cap - Clean radiator or replace cap.
Fan belt is worn or faulty - If necessary, replace the belt.
Engine is under excessive load - Load reducing is recommended.

Insufficient oil pressure
Low crankcase oil level - Fill the crankcase with oil.
Oil filter element clogging - Clean or change engine oil filter.
Improper type of engine oil - Use proper viscosity oil.
Crankshaft bearing oil clearance is incorrect - Change bearings.
Oil pump is damaged - Check and replace if necessary.

Engine knocking or noise
Not enough engine oil - Fill the crankcase with engine oil.
Engine has not warmed up to the recommended temperature - Warm up the engine.
Fuel injection pump timing is wrong - Adjust fuel injection pump as required.
Incorrect low idle setting - Adjust low idling as recommended.
Fuel injectors are dirty or defective - Replace fuel injectors.
Connecting rod misalignment or failure - Connecting rod must be aligned or replaced.
Worn or broken pistons - Pistons need to be replaced.

Drive System Troubleshooting

Drive system does not work in either direction
Insufficient hydraulic fluid - Check and refill the hydraulic fluid.
Faulty drive chain - Check drive chain and change defective components.
Relief valve is stuck - Repair or replace.
Plugged hydraulic filter or suction line - Check, clean, or change if necessary.
Hand or foot controls failure - Repair or replace.
Drive pump or motor is damaged - Replace or repair faulty component.

Lack of power
Dirty hydraulic oil filter - Replace or service hydraulic filter.
Worn or open relief valve - Replace or close relief valve.
Faulty or damaged transmission components - Check and replace faulty components.
Worn input drive shaft - Faulty drive shaft need to be replaced or repair.
Air trapped in hydraulic system - Bleed hydraulic system.

Overheated drive system
Hydraulic fluid is insufficient - Fill up the hydraulic fluid.
Clogged hydraulic fluid filter - Replace or service hydraulic filter.
Faulty relief valve - Repair or replace.
Damaged drive pump or hydraulic motor - Repair or change faulty component.
Oil cooler is clogged - Cooling fins need to be cleaned.
Overloaded drive system - Reduce loading.

Drive system is noisy
Oil viscosity is wrong - Drain and refill with proper oil.
Air leaks in hydraulic system - Bleed air from hydraulic system.
Hydraulic motor or drive pump is worn - Repair or change faulty component.
Worn or damaged mechanical components of drive system - Check the components for worn or defect and replace if necessary.

Hydraulics Troubleshooting

Hydraulic system has overheating
Hydraulic pressure incorrectly adjusted - Correct setting is required.
Main relief valve is defective or unadjusted - Set up or change the relief valve.
Dirty hydraulic oil - Fill up with fresh hydraulic oil.
Not enough hydraulic fluid in the system - Fill the hydraulic system with oil.
Hydraulic pump is faulty - Change or repair hydraulic pump if required.

Lift arm fails to drop or lift
Lift controls malfunction - Change or repair.
Hydraulic pump not working - Repair or change pump if required.
Faulty hydraulic control valve - Install a new valve or repair it.
Hydraulic cylinder malfunction - Repair or install a new lift cylinder.
Hydraulic oil level low - Checking hydraulic oil level and add if necessary.

Bucket fails to tilt
Defective bucket controls - Repair or replace.
Hydraulic pump malfunction - Change or repair hydraulic pump if required.
Defective hydraulic control valve - Install a new hydraulic valve or repair it.
Hydraulic bucket cylinder is defective - Change or repair cylinder.
Low hydraulic oil level - Checking hydraulic oil level and add if necessary.

Boom or bucket is moving slowly
Worn hydraulic oil pump - Check pump flow and install new pump if necessary.
Leaking hydraulic cylinder - Cylinder seals need to be replaced.
Hydraulic fluid is insufficient - Add fluid as required.
Hydraulic control valve is faulty or out of adjustment - Repair or adjust properly.
Hydraulic pressure is low - Adjust pressure correctly.

Lift arm or bucket movements are jerky
There is air in the hydraulic system - Air bleeding is required.
Plugged hydraulic oil filter - Clean or replace the filter.
Hydraulic fluid is contaminated - Change hydraulic fluid.
Cylinder rod or tube is scuffed - Replace failed component.

Hydraulic pump is noisy
Hydraulic leaks or lack of oil - Top up hydraulic oil or remedy leakage in system.
Plugged hydraulic filter - Clean or change the filter.
Suction line clogging - Service the suction line.
Air trapped in hydraulic pump - Bleed air.
Damaged pump components - Change or rebuild pump.

Electrical Troubleshooting

Battery does not charge
Electrical wire connections are loose or corroded - Clean or tighten connections.
Electrical terminal connectors are faulty - Change terminal connectors.
Bad cell in battery - Install a new battery.
Loose or defective belt - Adjust belt tension or change the belt.

Starter motor turns slow
Battery power is low - Battery needs to be recharged.
Battery runs out quickly - Service battery or change it.
Disconnected cables or faulty battery terminals - Check wiring and clean or replace terminals.

Starter does not work
Battery is drained or defective - Change or recharge battery.
Disconnected or incorrectly connected wires - Inspect battery wires and connect correctly.
Low battery output - Battery needs to be recharged.
Starter motor failing - Starter should be changed.