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New Holland L225 Troubleshooting

The New Holland L225 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 single-speed or two-speed hydro transmission. The hydraulic system has a pump with a rated capacity of 22.4 gal/min (85 l/min) or 34.6 gal/min (131 l/min). The New Holland L225 is equipped with a vertical-lift boom, ASA 100 drive chains, and 12x16.5 standard tires. The skid steer has a maximum lift height of 130" (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

Diesel hard to start or doesn't start
Air in fuel system - Bleed fuel system.
Fuel filter element is dirty - Clean the filter or install new filter element.
Clogged or burnt injection nozzle - Check injection nozzles and replace if required.
Water in the fuel system - Change fuel and repair fuel system.
Excessive valve clearance - Correct valve clearance.
Fuel injection pump is damaged - Replace or rebuild injection pump.

Engine starts but stops suddenly
Air filter is clogged - Clean or change filter.
Fuel filter element clogging - Service or replace the filter.
Problems with fuel injection pump tightness - Inspect fuel injection pump for leaks.
Dirty or defective injectors - Change or clean fuel injectors.
Defective fuel injection pump - Rebuild or change fuel pump.

Engine stops running suddenly
Coolant temperature is low - Warm up to required temperature.
Dirty fuel filter - Change the filter element.
Air in the fuel lines - Bleed the fuel lines.
Faulty fuel injection nozzles - Service or change injection nozzles.
Fuel injection pump timing is wrong - Adjust the pump as required.

Engine shuts off while idling
Incorrect low idle speed adjustment - Need to adjust idle speed.
Fuel injection pump malfunctioning - Install a new pump or rebuild.
Defective fuel injectors - Replace fuel injectors.
Excessive valve clearance - Have it adjusted.

Engine power is too low
Clogged air cleaner - Service or replace air cleaner.
Dirty or damaged injection nozzles - Clean or replace injection nozzles.
Improper fuel injection pressure - Check the fuel injection pressure and adjust if necessary.
Excessive valve clearance - Adjustment procedure required.
Low idle speed adjustment is incorrect - Adjust low idle speed.
Fuel hoses or lines are dirty - Clean fuel system lines and hoses.
Cylinder head gasket is defective - Replace cylinder head gasket.
Piston rings are leaking or defective - Replace piston rings.

Engine overheating
Engine has a lack of coolant - Add coolant and check the components of cooling system.
Engine oil level low - Add oil to the engine crankcase.
Damaged radiator cap or dirty radiator core - Clean radiator or change cap.
Loose or damaged fan belt - Change as required.
Diesel engine overloaded - Load reducing is recommended.

Insufficient oil pressure
Engine oil insufficient - Add oil as required.
Oil filter element clogged - Clean or replace engine oil filter element.
Oil grade or viscosity is incorrect - Fill up with the correct oil viscosity.
Crankshaft bearing has excessive oil clearance - Install new bearings.
Oil pump is defective - Repair or replace.

Engine knocks or noises
Engine oil insufficient - Need to add engine oil.
Low coolant temperature - Normalize the temperature by warming up the engine.
Improper fuel injection timing - Set up as recommended.
Wrong adjustment of low idle speed - Adjustment required.
Fuel injector fault - Inspect fuel injectors and change as required.
Misaligned or faulty connecting rod - Align or replace connecting rod.
Piston wear or scoring - Pistons replacement required.

Drive System Troubleshooting

Machine does not move forward or backward
Low hydraulic fluid level - Fill up the hydraulic fluid.
Drive chain fault - Inspect drive chain and replace faulty components.
Stuck relief valve - Service or change relief valve.
Clogged suction line or hydraulic filter - Service suction line or change hydraulic filter.
Foot or hand controls are defective - Check and repair as required.
Drive pump or motor malfunction - Change or repair faulty component.

Reduced power
Plugged hydraulic oil filter - Change hydraulic filter.
Relief valve is worn or opened - Replace or close relief valve.
Faulty or damaged transmission components - Check and replace defective components.
Input drive shaft failure - Replace drive shaft.
There is air in the hydraulic system - Need to bleed air.

Drive system overheating
Insufficient hydraulic oil - Need to add oil.
Hydraulic fluid filter is dirty - Replace or clean hydraulic filter.
Worn or damaged relief valve - Change or repair defective relief valve.
Hydraulic motor or drive pump is worn - Inspect and replace as necessary.
Plugged hydraulic oil cooler - Clean the cooling fins.
Drive system is overloaded - Reduce the load.

Drive system is excessively noisy
Incorrect oil viscosity - Use proper oil viscosity.
Air leaks in hydraulic system - Air bleeding is required.
Defective drive pump or hydraulic motor - Check and repair if required.
Defective or worn mechanical components of drive system - Inspect drive system and replace faulty components.

Hydraulics Troubleshooting

Hydraulic system has overheating
Hydraulic pressure is not correct - Adjust pressure correctly.
Main relief valve malfunction or improper adjustment - Adjust or change relief valve.
Hydraulic fluid contamination - Hydraulic fluid change required.
Hydraulic fluid level is insufficient - Check and refill the hydraulic fluid.
Worn hydraulic oil pump - Repair or change pump if required.

Lift arm can't drop or lift
Lift controls are faulty - Check and repair as required.
Hydraulic pump not working - Replace or repair pump if necessary.
Hydraulic control valve is faulty - Repair or change hydraulic valve.
Damaged hydraulic cylinder - Install a new boom cylinder or repair it.
Hydraulic oil level low - Check and refill the hydraulic oil.

Bucket is not working
Bucket controls failure - Check and repair as required.
Damaged hydraulic oil pump - Repair or replace pump if necessary.
Faulty hydraulic control valve - Repair or replace the valve.
Hydraulic bucket cylinder is broken - Repair or install a new cylinder.
Hydraulic oil is insufficient - Check and refill the hydraulic oil.

Bucket or lift arm functions slowly
Worn hydraulic oil pump - Check pump flow and install new pump if necessary.
Leaking hydraulic cylinder - Repair leak by replacing the seals.
Low hydraulic oil level - Checking hydraulic oil level and add if necessary.
Hydraulic control valve is unadjusted or worn - Adjust correctly or repair.
Hydraulic pressure is low - Hydraulic pressure must be set correctly.

Bucket or boom is working jerkily
Hydraulic system is leaking air - Need to bleed air.
Plugged hydraulic oil filter - Clean or replace the filter.
Contaminated hydraulic fluid - Hydraulic fluid change required.
Cylinder rod or tube is scuffed - Change damaged component.

Hydraulic pump makes excessive noise
Hydraulic system leaking or not enough oil - Remedy hydraulic leakage or refill oil as necessary.
Dirty hydraulic filter - Clean or change the filter.
Suction line clogging - Suction line needs to be cleaned.
Air enters the pump - Need to bleed air.
Faulty pump components - Rebuild or install new pump.

Electrical Troubleshooting

Battery will not charge
Loose or corroded wire connections - Tighten or service cable connections.
Battery terminal clamps are defective - Terminal clamps need to be replaced.
Battery failing - Battery change required.
Worn or loose belt - Belt needs to be adjusted or changed.

Starter motor cranks slow
Battery voltage is low - Charge the battery.
Battery runs out quickly - Service charging system or replace battery.
Disconnected wiring or bad battery terminals - Check wire connections and change or service terminals.

Starter will not work
Battery is discharged or worn - Battery needs to be recharged or replaced.
Wiring is improperly connected or disconnected - Check wiring and connect properly.
Low battery power - Charge the battery.
Starter motor failing - Repair or change starter.