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New Holland C227 Troubleshooting

The New Holland C227 compact track loader is powered by 207 cu.in (3.4L) FPT F5H FL463A four-cylinder direct injection turbocharged aftercooled diesel engine with a rated power of 68 hp (51 kW) at 2500 rpm. The New Holland C227 is equipped with a two-speed hydrostatic transmission and steel-embedded rubber tracks. The hydraulic system has a pump with fluid flow rate of 22.5 gpm (85.2 lpm). The hydraulic pressure is 3050 psi (210 bar). The compact track loader has a rated operating capacity of 1890 lbs (860 kg) and tipping load of 5400 lbs (2450 kg). The boom lifting force is 6080 lbs (2765 kg), and bucket breakout force is 7270 lbs (3305 kg).

Engine Troubleshooting

Engine starts up hard or doesn't start
Air in the fuel lines - Bleed the fuel lines.
Dirty fuel filter - Service the filter.
Fuel injection nozzles are faulty or clogged - If necessary, replace with a new nozzle.
Water or dirt in fuel system - Drain, flush, and service the system.
The valve clearance is incorrect - Check and adjust as required.
Fuel injection pump damage - Install a new fuel pump or repair.

Diesel starts and then shuts off
Dirty air filter - Replace or clean air filter element.
Fuel filter element is dirty - Change or clean the filter element.
Fuel injection pump is leaking - Repair any leaks.
Damaged or clogged injectors - Clean fuel injectors or change it.
Fuel injection pump malfunction - Replace or rebuild injection pump.

Engine shuts off suddenly while running
Engine not warmed up - Warm up the engine.
Fuel filter element is dirty - Install new filter element.
There is air in the fuel system - Bleed the system.
Fuel injection nozzles are clogged or faulty - Install a new kit of correctly balanced nozzles.
Fuel injection pump timing is not adjusted - Use the correct fuel injection pump timing adjustment.

Engine stalls while idling
Incorrect low idle setting - Need to adjust idle speed.
Fuel injection pump failure - Replace or rebuild injection pump.
Fuel injector fault - Inspect fuel injectors and change as required.
Incorrect valve clearance - Adjustment procedure required.

Lack of engine power
Air cleaner is clogged - Service or replace air cleaner.
Dirty or faulty injection nozzles - Check and replace nozzles if required.
Fuel injection pressure is incorrect - Adjust to proper pressure.
Valve out of adjustment - Adjust valve clearance.
Too low idle RPM - Adjust low idle speed.
Clogged fuel hoses or lines - Fuel hoses and lines must be clean.
Cylinder-head gasket is broken - Replace the gasket as required.
Piston rings are worn or defective - Piston rings need to be replaced.

Engine overheating
Low coolant level - Add coolant and check the components of cooling system.
Lack of engine oil - Fill up the oil to required level.
Damaged radiator cap or dirty radiator core - Replace cap or clean radiator.
Fan belt is broken or worn - If necessary, replace the belt.
Engine is overloaded - Load reducing is recommended.

Oil pressure too low
Engine oil level low - Check and refill the oil.
Oil filter clogging - Service or replace engine oil filter.
Oil grade or viscosity is incorrect - Drain crankcase and refill with correct oil.
Incorrect crankshaft bearing oil clearance - Bearing replacement required.
Oil pump is worn or damaged - Check and replace if necessary.

Engine knocking sound or abnormal noise
Low engine oil level - Fill up the oil to required level.
Engine is not fully warmed up - Warm up the engine.
Incorrect adjustment of fuel injection pump timing - Set it up as required.
Incorrect low idle setting - Correct low idle adjustment.
Damaged or clogged injectors - Change or clean fuel injectors.
Connecting rod is worn or misaligned - Connecting rod needs to be replaced or aligned.
Pistons are worn or broken - Have pistons replaced.

Drive System Troubleshooting

Drive system will not operate in either direction
Insufficient hydraulic oil - Check and refill the hydraulic oil.
Undercarriage tracks are defective or jammed - Repair or remove jamming.
Relief valve is defective - Relief valve need to be replaced or repair.
Suction line or hydraulic filter is dirty - Service suction line or replace hydraulic filter.
Worn or defective hand or foot controls - Inspect and repair if necessary.
Worn drive motor or pump - Check and repair if required.

Machine is not driving straight or driving is jerky
Jammed or damaged track mechanism - Repair or remove jamming.
Tracks are sagging or malfunctioning - Adjust track sag with tensioning or replace tracks.
Foreign objects, debris, or dirt stuck in track frame - Clean undercarriage track frame.

Power is too low
Clogged hydraulic oil filter - Replace hydraulic filter.
Opened or worn relief valve - Replace or close relief valve.
Transmission parts are defective or worn - Inspect and replace faulty parts.
Input drive shaft malfunction - Replace or service the drive shaft.
Air leaks in hydraulic system - Need to bleed air.

Overheated drive system
Low hydraulic oil level - Need to add oil.
Hydraulic fluid filter is plugged - Replace hydraulic filter.
Defective or worn relief valve - Rebuild or install a new relief valve.
Hydraulic motor or drive pump failure - Replace or repair faulty component.
Oil cooler is clogged - Cooling fins should be cleaned.
Drive system overloaded continuously - Reduce loading.

Excessive noise
Improper oil viscosity - Drain and refill with proper oil.
There is air in the hydraulic system - Bleed hydraulic system.
Damaged drive pump or hydraulic motor - Inspect and replace as necessary.
Defective or worn mechanical components of drive system - Check drive system and change faulty parts.

Hydraulics Troubleshooting

Hydraulic system overheated
Incorrect hydraulic pressure setting - Correct setting is required.
Main relief valve failure or improper setting - Replace or set up the relief valve.
Hydraulic oil contamination - Hydraulic oil change required.
Hydraulic oil level is insufficient - Check oil level and add hydraulic oil as required.
Hydraulic pump is faulty - Replace or repair pump if necessary.

Boom fails to lift or drop
Lift controls are faulty - Repair or change.
Defective hydraulic pump - Repair or replace pump if necessary.
Hydraulic control valve is defective - Repair or replace hydraulic valve.
Broken hydraulic cylinder - Replace or repair boom cylinder.
Hydraulic fluid level low - Checking hydraulic fluid level and add if necessary.

Bucket does not tilt
Damaged bucket controls - Inspect and repair if necessary.
Hydraulic pump not working - Repair or change pump if required.
Defective hydraulic control valve - Install a new hydraulic valve or repair it.
Hydraulic bucket cylinder not working - Change or repair cylinder.
Low hydraulic fluid level - Add fluid as required.

Boom or bucket functions slowly
Faulty hydraulic oil pump - Check pump flow and install new pump if necessary.
Leaking hydraulic cylinder - Cylinder seals need to be replaced.
Hydraulic oil level low - Fill the system to proper hydraulic oil level.
Hydraulic control valve is unadjusted or worn - Repair or adjust correctly.
Hydraulic system loosing pressure - Correct adjustment is required.

Bucket or boom movements are jerky
Air trapped in hydraulic system - Bleed hydraulic system.
Hydraulic oil filter element is dirty - Clean or replace the filter.
Hydraulic oil is contaminated - Hydraulic oil change required.
Scored cylinder tube or rod - Change worn component.

Hydraulic pump makes excessive noise
Hydraulic system leaking or not enough oil - Repair hydraulic leaks or add oil as required.
Hydraulic filter is dirty - Change or clean oil filter.
Dirty suction line - Service the suction line.
Air enters the pump - Remove air from hydraulics.
Worn pump parts - Rebuild or install new pump.

Electrical Troubleshooting

Battery does not charge
Electrical cable connections are corroded or loose - Service or tighten connections.
Battery terminal connectors are faulty - Replace terminal connectors.
Dead cell in battery - Use a new battery.
Worn or loose belt - Adjust belt tension or replace belt.

Starter cranks slow
Battery capacity is low - Battery needs to be recharged.
Battery does not hold charge - Service or replace the battery.
Disconnected battery cables or bad terminals - Connect cables correctly or replace terminals.

Starter motor is not working
Battery is drained or defective - Charge or replace the battery.
Wiring harness is disconnected or improperly connected - Check wiring harness and connect as required.
Battery capacity is low - Recharge the battery.
Faulty starter motor - Replace or repair starter.