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New Holland L218 Troubleshooting

The New Holland L218 skid steer loader is powered by Shibaura N844LT 4-cycle 4-cylinder turbocharged liquid-cooled diesel engine with a rated power of 57 hp (42 kW). The New Holland L218 is equipped with a vertical-lift loader boom, 1-speed or 2-speed hydrostatic transmission, ASA 80 drive chains, and 10x16.5 standard tires. The hydraulic system has a pump with fluid flow rate of 19 gpm (72 lpm) or 28.8 gpm (109 lpm). The hydraulic pressure is 3045 psi (210 bar). The skid steer has a rated operating capacity of 1800 lbs (818 kg) and tipping load of 3600 lbs (1640 kg). The lift height is 120" (3050 mm) to hinge pin, and dump height is 93.5" (2375 mm).

Engine Troubleshooting

Engine hard to start or doesn't start
Air in fuel system - Bleed fuel system.
Fuel filter plugging - Replace the filter element.
Burnt or defective injection nozzle - Inspect nozzles and replace if necessary.
Dirt or water in fuel system - Drain water or flush dirt from the system.
The valve clearance is incorrect - Have it adjusted.
Faulty fuel injection pump - Repair or install new pump.

Diesel starts but immediately stops
Air cleaner is clogged - Clean or change.
Clogged fuel filter - Install new filter element.
Fuel injection pump has loose connections - Tighten the connections.
Fuel injectors are faulty or clogged - Test and replace fuel injectors if necessary.
Damaged fuel injection pump - Change or repair the pump.

Engine stalls during operation
Coolant temperature is low - Warm up engine as required.
Fuel filter element is dirty - Clean or change the filter.
Air in the fuel lines - Bleed the fuel lines.
Dirty or damaged injection nozzles - Check injection nozzles and replace if required.
Fuel injection pump timing is wrong - Adjust according to specifications.

Engine shuts off while idling
Too low idle RPM - Need to adjust idle speed.
Fuel injection pump is not working correctly - Rebuild or install a new injection pump.
Fuel injectors are faulty or clogged - Test and replace fuel injectors if necessary.
Excessive valve clearance - Adjust valve clearance.

Diesel engine is losing power
Dirty air cleaner - Install new air cleaner element.
Fuel injection nozzles are faulty or clogged - Clean or change injection nozzles.
Uneven fuel injection pressure - Adjust pressure to proper level.
The valve clearance is not adjusted - Adjust to proper valve clearance.
Incorrectly adjusted low idle speed - Normalize low idle speed.
Fuel lines or hoses are dirty - Clean fuel system hoses and lines.
Cylinder-head gasket is broken - Replace cylinder head gasket.
Piston rings are worn or defective - Piston rings need to be replaced.

Engine overheating
Low coolant level - The cooling system needs to be refilled and checked for faults.
Lack of engine oil - Fill up the oil to required level.
Radiator core is clogged or radiator cap is leaking - Clean radiator or replace cap.
Loose or defective fan belt - Change as required.
Engine is under excessive load - Reduce engine load.

Low oil pressure
Insufficient engine oil - Checking oil level and add if necessary.
Oil filter element clogging - Service or replace engine oil filter.
Oil grade or viscosity is wrong - Drain crankcase and refill with correct oil.
Crankshaft bearing oil clearance is excessive - Install new bearings.
Oil pump malfunction - Repair or change.

Engine knocking sound or abnormal noise
Engine oil insufficient - Fill up the engine oil.
Coolant temperature is low - Warm up to required temperature.
Improper setting of fuel injection pump timing - Check the fuel injection pump timing adjustment.
Low idle speed setting is not correct - Adjust the low idle speed.
Clogged or defective injectors - Test and replace fuel injectors if necessary.
Connecting rod is not aligned or worn - Align or replace connecting rod.
Worn or broken pistons - Pistons need to be replaced.

Drive System Troubleshooting

Machine does not move forward or backward
Insufficient hydraulic oil - Fill the system to proper hydraulic oil level.
Damaged drive chain - Inspect drive chain and replace defective components.
Defective relief valve - Change or repair relief valve.
Clogged suction line or hydraulic filter - Clean suction line or replace hydraulic filter.
Defective hand or foot controls - Repair or change.
Drive motor or pump is worn - Repair or change faulty component.

Low power
Clogged hydraulic oil filter - Replace hydraulic filter.
Relief valve is open or defective - Close or change relief valve.
Worn or defective transmission parts - Check and replace defective components.
Input drive shaft failure - Faulty drive shaft need to be replaced or repair.
Air leaks in hydraulic system - Bleed air from system.

Drive system is overheated
Hydraulic oil is insufficient - Need to add oil.
Hydraulic fluid filter is plugged - Replace hydraulic filter.
Relief valve is damaged or worn - Repair or replace.
Worn hydraulic motor or drive pump - Inspect and replace as necessary.
Oil cooler is clogged - Cooling fins should be cleaned.
Drive system overloaded continuously - Reduce the load.

Drive system is excessively noisy
Oil viscosity is wrong - Use correct oil viscosity.
Air in hydraulic system - Bleed hydraulic system.
Worn hydraulic motor or drive pump - Change or repair faulty component.
Defective or worn mechanical components of drive system - Check the components for defect or damage and change if necessary.

Hydraulics Troubleshooting

Hydraulic system is overheated
Incorrect hydraulic pressure setting - Hydraulic pressure must be set correctly.
Main relief valve failure or improper setting - Replace or set up the relief valve.
Dirty hydraulic fluid - The fluid must be changed.
Hydraulic fluid level is insufficient - Add fluid to the hydraulic system.
Hydraulic pump is faulty - Repair or change pump if required.

Lift arm fails to drop or lift
Lift controls malfunction - Change or repair.
Defective hydraulic pump - Repair or change pump if required.
Hydraulic control valve malfunction - Repair or replace the valve.
Hydraulic cylinder not working - Repair or replace hydraulic cylinder.
Insufficient hydraulic oil - Need to add oil.

Bucket can't tilt
Defective bucket controls - Repair or replace.
Hydraulic pump is broken - Change or repair hydraulic pump if required.
Hydraulic control valve is defective - Change or repair hydraulic valve.
Hydraulic bucket cylinder not working - Change or repair cylinder.
Hydraulic fluid is insufficient - Fill the system to proper hydraulic fluid level.

Slow bucket or lift arm operation
Hydraulic pump is faulty - Test the pump flow rate and change pump if required.
Hydraulic cylinder oil leakage - Cylinder seals need to be replaced.
Hydraulic oil is insufficient - Need to add oil.
Defective or not adjusted hydraulic control valve - Repair or set properly.
Hydraulic system loosing pressure - Set pressure correctly.

Lift arm or bucket is moving jerkily
Air in the hydraulic system - Need to bleed air.
Hydraulic oil filter element clogging - Service or change the hydraulic filter.
Contaminated hydraulic fluid - Fill up with fresh hydraulic fluid.
Cylinder tube or rod scoring - Replace damaged component.

Excessive hydraulic pump noise
Hydraulic leakage or lack of oil - Correct hydraulic leaks or top up oil as needed.
Plugged hydraulic filter - Replace or clean the filter.
Suction line is clogged - Service the suction line.
Pump is sucking air - Bleed air from hydraulics.
Faulty pump parts - Change or rebuild pump.

Electrical Troubleshooting

Battery will not charge
Loose or corroded electrical wiring connections - Tighten or clean connections.
Defective battery terminal connectors - Terminal connectors need to be changed.
Battery bad cell - Battery change required.
Belt is defective or loose - Adjust belt tension or replace belt.

Starter cranks slow
Battery voltage is low - Battery is drained, charge it.
Battery drains quickly - Service charging system or install new battery.
Disconnected cables or faulty battery terminals - Check cable connections and change or clean terminals.

Starter is not working
Battery is low or faulty - Recharge or change battery.
Battery wires are disconnected or incorrectly connected - Check wires and connect correctly.
Low battery output voltage - Recharge the battery.
Faulty starter motor - Starter should be replaced.