New Holland C232 Track Loader Troubleshooting

The New Holland C232 compact track loader driveline system components: a 207 cu.in (3.4L) FPT F5H FL463H 4-cylinder turbocharged diesel engine with a rated power of 68 hp (51 kW), and 2-speed hydrostatic transmission. The hydraulic system has a pump with a rated capacity of 22.5 gal/min (85.2 l/min). The system relief pressure is 3050 psi (210 bar). The New Holland C232 is equipped with hydraulic disc brakes and steel-embedded rubber tracks. The compact track loader has a boom lifting force of 4840 lbs (2200 kg) and bucket breakout force of 7360 lbs (3345 kg). The rated operating capacity is 2240 lbs (1020 kg), and tipping load is 6400 lbs (2900 kg).

Engine Troubleshooting

Engine starts hard or doesn't start

There is air in the fuel system - Bleed the system.
Dirty fuel filter - Clean or change the filter.
Clogged or burnt injection nozzle - Clean or replace injection nozzles.
Water or dirt in fuel system - Drain, flush, and service the system.
The valve clearance is not adjusted - Correct valve clearance.
Fuel injection pump failure - Replace injection pump or repair it.

Diesel starts but immediately stops

Air filter is dirty - Service or replace the air filter.
Fuel filter element is clogged - Replace the filter element.
Problems with fuel injection pump tightness - Inspect fuel injection pump for leaks.
Fuel injectors are dirty or defective - Clean fuel injectors or change it.
Fuel injection pump is defective - Install a new pump or rebuild.

Engine stalls after running

Engine is not warmed up to required temperature - Warm up to required temperature.
Fuel filter element clogging - Install new filter element.
Air in the fuel system - Air bleeding.
Clogged or burnt injection nozzle - Check injection nozzles and replace if required.
Timing of fuel injection pump is incorrect - Set the fuel pump timing correctly.

Engine stops when idle

Low idle speed setting is not correct - Test and adjust.
Fuel injection pump is faulty - Replace injection pump or repair it.
Defective fuel injectors - Test and replace fuel injectors if necessary.
The valve clearance is not adjusted - Adjust to proper valve clearance.

Engine power is too low

Air cleaner is dirty - Clean or replace element.
Damaged or dirty injection nozzles - Check and replace nozzles if required.
Uneven fuel injection pressure - Test fuel injection pressure and adjust it correctly.
Improper valve clearance - Correct valve clearance.
Low idle speed setting is not correct - Correct low idle settings.
Fuel hoses or lines are clogged - Clean fuel system hoses and lines.
Cylinder head gasket is defective - Install new cylinder head gasket.
Piston rings are leaking or defective - Piston rings replacement required.

Engine overheats

Insufficient coolant - The cooling system needs to be refilled and checked for faults.
Lack of engine oil - Add oil to the engine crankcase.
Clogged radiator fins or damaged radiator cap - Replace cap or clean radiator.
Broken or loose fan belt - Replace as required.
Engine overload - Load reducing required.

Low oil pressure

Low oil level - Add oil as required.
Engine oil filter is plugged - Service or replace engine oil filter.
Oil grade or viscosity is incorrect - Drain crankcase and refill with correct oil.
Incorrect oil clearance in crankshaft bearing - Bearings need to be reinstalled.
Worn oil pump - Repair or change.

Engine knocking sound or abnormal noise

Engine oil level low - Need to add engine oil.
Engine is not preheated - Warm up engine as required.
Improper fuel injection timing - Adjust according to specifications.
Incorrectly set low idle speed - Adjustment required.
Dirty or defective injectors - Clean fuel injectors or change it.
Connecting rod is misaligned or worn - Connecting rod needs to be replaced or aligned.
Pistons are worn or scored - Replace the pistons.

Drive System Troubleshooting

Machine is not moving forward or backward

Hydraulic oil is insufficient - Fill the system to proper hydraulic oil level.
Blocked or defective track mechanism - Remove blockage or repair tracks.
Relief valve is not working correctly - Relief valve need to be replaced or repair.
Suction line or hydraulic filter is clogged - Check, clean, or change if necessary.
Hand or foot controls failure - Replace or repair.
Damaged drive pump or motor - Repair or replace faulty component.

Machine does not drive straight or drives jerky

Track mechanism is defective or jammed - Repair or remove jamming.
Sagging or worn tracks - Adjust track sag with tensioning or replace tracks.
Foreign objects, debris, or dirt stuck in track frame - Clean track frame, remove foreign objects.

Low power

Hydraulic oil filter is dirty - Replace or clean hydraulic filter.
Relief valve is opened or defective - Replace or close relief valve.
Transmission components are defective or worn - Inspect and replace defective parts.
Defective input drive shaft - Service or change faulty drive shaft.
There is air in the hydraulic system - Need to bleed air.

Drive system overheats

Insufficient hydraulic oil - Need to add oil.
Hydraulic fluid filter is dirty - Replace or service hydraulic filter.
Relief valve is not working correctly - Rebuild or install a new relief valve.
Worn hydraulic motor or drive pump - Repair or change faulty component.
Hydraulic oil cooler is dirty - Cooling fins should be cleaned.
Transmission overloading - Reduce loading.

Drive system is excessively noisy

Wrong oil viscosity - Use oil of correct viscosity.
Air in the hydraulic system - Bleed air from system.
Hydraulic motor or drive pump is worn - Inspect and change as required.
Worn or damaged mechanical components of drive system - Check the parts and replace if required.

Hydraulics Troubleshooting

Hydraulic system overheats

Incorrect hydraulic pressure setting - Correct adjustment is required.
Misadjusted or defective main relief valve - Replace or set up the relief valve.
Hydraulic fluid is dirty - The fluid must be changed.
Lack of hydraulic oil - Fill up the hydraulic oil.
Hydraulic pump is worn - Repair or change pump if required.

Boom fails to lift or drop

Lift controls malfunction - Repair or replace.
Hydraulic pump is broken - Repair or replace pump if necessary.
Damaged hydraulic control valve - Replace or repair the valve.
Hydraulic cylinder failure - Repair or change hydraulic cylinder.
Insufficient hydraulic fluid - Fill up the hydraulic fluid.

Bucket tilt does not work

Defective bucket controls - Repair or change.
Hydraulic pump not working - Replace or repair pump if necessary.
Defective hydraulic control valve - Repair or change the valve.
Defective bucket cylinder - Change or repair cylinder.
Insufficient hydraulic oil - Fill the system to proper hydraulic oil level.

Boom or bucket is moving slowly

Defective hydraulic pump - Check the pump capacity and replace pump if required.
Hydraulic cylinder oil leakage - Repair leak by replacing the seals.
Insufficient hydraulic oil - Check and refill the hydraulic oil.
Hydraulic control valve is unadjusted or worn - Set properly or repair.
Hydraulic pressure is low - Adjust pressure correctly.

Jerky operation of the bucket or boom

Hydraulic system is leaking air - Bleed hydraulic system.
Hydraulic oil filter element clogging - Service or replace the hydraulic filter.
Hydraulic oil is dirty - Change hydraulic oil.
Cylinder rod or tube is scratched - Replace worn component.

Hydraulic pump is noisy

Leaking hydraulic system or insufficient oil level - Refill hydraulic oil or repair leaks in system.
Hydraulic filter is clogged - Clean or install new filter.
Plugged suction line - Suction line must be serviced.
Pump is sucking air - Remove air from hydraulics.
Damaged pump parts - Replace or rebuild the pump.

Electrical Troubleshooting

Battery won’t charge

Electrical cable connections are loose or corroded - Clean or tighten wiring connections.
Defective battery terminal connectors - Terminal connectors need to be changed.
Dead cell in battery - Change the battery.
Belt is loose or defective - Belt needs to be adjusted or replaced.

Starter motor cranks slow

Low battery output voltage - Battery is drained, recharge it.
Battery is not holding charge - Service charging system or replace battery.
Faulty battery terminals or disconnected cables - Connect wiring correctly or install new terminals.

Starter motor is not working

Battery is discharged or defective - Change or recharge battery.
Disconnected or incorrectly connected wires - Inspect battery wires and connect correctly.
Low battery output voltage - Low battery charging, charge as required.
Starter motor is defective - Repair or replace starter.