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New Holland L230 Troubleshooting

The New Holland L230 skid steer loader is powered by 195.2 cu.in (3.2L) FPT F5C E5454 4-cylinder turbocharged liquid-cooled diesel engine with a rated power of 84 hp (63 kW) at 2500 rpm. The New Holland L230 is equipped with a vertical-lift boom, one-speed or two-speed hydrostatic transmission, ASA 100 drive chains, and 14x17.5 standard tires. The hydraulic system has a pump with fluid flow rate of 22.4 gpm (85 lpm) or 34.6 gpm (131 lpm). The skid steer has a rated operating capacity of 3000 lbs (1360 kg) and tipping load of 6000 lbs (2720 kg). The lift height is 131 inches (3330 mm) to hinge pin, and dump height is 104.5 inches (2655 mm).

Engine Troubleshooting

Diesel engine hard to start or doesn't start
There is air in the fuel system - Bleed the system.
Fuel filter element clogging - Clean or replace the filter.
Dirty or damaged injection nozzles - If necessary, replace with a new nozzle.
Dirt or water in fuel system - Drain water or flush dirt from the system.
Excessive valve clearance - Adjust valve clearance according to specifications.
Faulty fuel injection pump - Repair or install new pump.

Engine starts but stalls immediately
Air filter is plugged - Replace or clean air filter element.
Clogged fuel filter - Install new filter element.
Poor fuel injection pump tightness - Look for any leaks of fuel pump, tighten it fast.
Fuel injectors are dirty or defective - Change or clean fuel injectors.
Fuel injection pump is not working correctly - Repair or replace injection pump.

Engine stops running suddenly
Engine is not warmed up to the required temperature - Warm up engine as required.
Fuel filter plugging - Change filter element.
Air in fuel system - Bleed fuel system.
Fuel injection nozzles are faulty or clogged - Inspect nozzles and replace if necessary.
Incorrect adjustment of fuel injection pump timing - Adjust according to specifications.

Engine stops at low idle speed
Incorrect low idle speed adjustment - Adjust as required.
Fuel injection pump is faulty - Replacement or repair required.
Clogged or defective injectors - Clean or replace fuel injectors.
Incorrect valve clearance - Need to adjust valve clearance.

Engine power is too low
Plugged air filter - Change or service air filter element.
Fuel injection nozzles are damaged or dirty - Replace injection nozzles.
Uneven fuel injection pressure - Check the fuel injection pressure and adjust if necessary.
The valve clearance is incorrect - Adjust to proper valve clearance.
Low idle speed adjustment is incorrect - Correct low idle settings.
Fuel lines or hoses are dirty - Fuel hoses and lines must be clean.
Leaking cylinder head gasket - Replace the gasket as required.
Piston rings are damaged or leaking - Install new piston rings.

Engine overheating
Not enough coolant - Add coolant fluid and inspect the cooling system for leaks.
Engine oil insufficient - Check and refill engine oil.
Clogged radiator fins or leaking radiator cap - Clean radiator or change cap.
Damaged or worn fan belt - Replace as required.
Engine overloaded - Reduce load on the engine.

Oil pressure is low
Lack of oil - Check oil level and add oil as required.
Oil filter clogged - Change or clean engine oil filter element.
Incorrect engine oil Use correct viscosity oil.
Crankshaft bearing oil clearance is excessive - Install new bearings.
Oil pump failure - Replace as required.

Engine noises or knocks
Lack of engine oil - Checking oil level and add if necessary.
Low coolant temperature - Warm up the engine.
Fuel injection pump timing is not adjusted - Adjust fuel injection pump as required.
Low idle speed adjustment is incorrect - Correct the settings.
Fuel injector fault - Inspect fuel injectors and change as required.
Connecting rod is defective or misaligned - Alignment procedure or replacement is required.
Pistons are worn or scored - Pistons need to be replaced.

Drive System Troubleshooting

Drive system doesn't operate in one direction or either direction
Hydraulic oil is insufficient - Checking hydraulic oil level and add if necessary.
Worn drive chain - Inspect drive chain and replace faulty components.
Relief valve malfunction - Repair or install a new relief valve.
Plugged suction line or hydraulic filter - Replace hydraulic filter or clean suction line.
Defective foot or hand controls - Check and repair as required.
Worn drive motor or pump - Repair or replace faulty component.

Lack of power
Hydraulic oil filter is dirty - Check, clean, or change as necessary.
Faulty or opened relief valve - Close or change relief valve.
Transmission parts are worn or defective - Check and change faulty components.
Defective input drive shaft - Replace or service the drive shaft.
Air in the hydraulic system - Need to bleed air.

Drive system overheating
Low hydraulic fluid level - Check and refill the hydraulic fluid.
Plugged hydraulic fluid filter - Check, clean, or change as necessary.
Relief valve is stuck - Change or repair relief valve.
Worn hydraulic motor or drive pump - Inspect and replace as necessary.
Plugged hydraulic oil cooler - Clean the cooling fins.
Overloaded drive system - Load needs to be reduced.

Excessive noise
Incorrect oil viscosity - Use correct oil viscosity.
Air trapped in hydraulic system - Bleed hydraulic system.
Drive pump or hydraulic motor is damaged - Check and repair if required.
Mechanical parts of drive system are defective or worn - Inspect the components for defect or damage and repair as needed.

Hydraulics Troubleshooting

Hydraulic system overheated
Hydraulic pressure incorrectly adjusted - Correct adjustment is required.
Defective or misadjusted main relief valve - Adjust or replace the relief valve.
Hydraulic oil is dirty - Change hydraulic oil.
Hydraulic fluid level is low - Check and refill the hydraulic fluid.
Defective hydraulic pump - Repair or replace pump if necessary.

Boom can't lift or drop
Lift controls are faulty - Replace or repair.
Hydraulic pump is broken - Repair or replace pump if necessary.
Damaged hydraulic control valve - Repair or replace the valve.
Defective hydraulic cylinder - Change or repair lift cylinder.
Hydraulic oil is insufficient - Need to add oil.

Bucket does not function
Bucket controls are faulty - Repair or change.
Damaged hydraulic oil pump - Change or repair hydraulic pump if required.
Hydraulic control valve is faulty - Repair or replace the valve.
Broken bucket cylinder - Change or repair cylinder.
Insufficient hydraulic fluid - Checking hydraulic fluid level and add if necessary.

Boom or bucket is working slowly
Hydraulic pump is faulty - Check hydraulic pump flow and replace pump if necessary.
Hydraulic cylinder leaking - Cylinder seals need to be replaced.
Insufficient hydraulic oil - Check and refill the hydraulic oil.
Hydraulic control valve is unadjusted or worn - Repair or set correctly.
Hydraulic pressure has dropped - Hydraulic pressure must be set correctly.

Bucket or boom is moving jerkily
Air in the hydraulic system - Bleed hydraulic system.
Dirty hydraulic oil filter - Clean or change the filter.
Hydraulic fluid contamination - Change hydraulic fluid.
Cylinder rod or tube is scratched - Change defective component.

Hydraulic pump makes excessive noise
Leaking hydraulic system or insufficient oil level - Refill hydraulic oil or repair leaks in system.
Hydraulic filter is dirty - Change or clean oil filter.
Plugged suction line - Clean suction line as required.
Air enters the pump - Air bleeding is required.
Pump parts are damaged - Rebuild or replace hydraulic pump.

Electrical Troubleshooting

Battery cannot be charged
Electrical wire connections are corroded or loose - Tighten or clean electrical wiring connections.
Electrical terminal connectors are faulty - Terminal connectors should be replaced.
Battery bad cell - Use a new battery.
Belt is defective or loose - Adjust belt tension or change the belt.

Starter cranks slowly
Low battery power - Recharge the battery.
Battery will not hold charge - Service charging system or replace battery.
Disconnected wiring or bad battery terminals - Connect wiring properly or install new terminals.

Starter does not work
Battery is discharged or worn - Battery needs to be recharged or replaced.
Battery wiring is disconnected or improperly connected - Inspect wiring and connect as required.
Low battery output - Charge the battery.
Starter motor is defective - Replace or repair starter.