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Case 221F Troubleshooting

The Case 221F compact wheel loader is powered by FPT F5H FL463 4-cycle 4-cylinder direct injection turbocharged liquid-cooled diesel engine with a rated power of 70 hp (52 kW) at 2500 rpm. The Case 221F is equipped with a hydrostatic transmission, power steering system, hydraulic wet disc brakes, and 365/80R20 standard tires. The open center hydraulic system has a gear pump with fluid flow rate of 22.5 gpm (85 lpm). The compact wheel loader has a rated operating capacity of 4010 lbs (1820 kg) and tipping load of 8020 lbs (3640 kg). The maximum lift height is 129.5" (3290 mm) to hinge pin, and bucket breakout force is 10960 lbs (4970 kg).

Engine Troubleshooting

Engine starts hard or will not start
Air in fuel tank - Bleed fuel tank.
Fuel filter element clogging - Clean the filter or install new filter element.
Dirty or damaged injection nozzles - Check injection nozzles and replace if required.
Water or dirt in fuel system - Drain, flush, and service the system.
Valve out of adjustment - Have it adjusted.
Faulty fuel injection pump - Change or repair the pump.

Engine starts and stalls suddenly
Dirty air filter - Clean or change.
Fuel filter plugging - Change the filter element.
Problems with fuel injection pump tightness - Inspect fuel injection pump for leaks.
Defective or clogged fuel injectors - Test and replace fuel injectors if necessary.
Damaged fuel injection pump - Replace injection pump or repair it.

Engine stalls during operation
Engine is not fully warmed up - Warm up engine as required.
Fuel filter element clogging - Clean or replace the filter.
Air in the fuel pipes - Bleed the fuel pipes.
Clogged or burnt injection nozzle - Test injection nozzles and change if necessary.
Fuel injection pump timing is not adjusted - Check the fuel injection pump timing adjustment.

Engine stalls at idle
Improperly adjusted low idle speed - Adjust low idling as recommended.
Defective fuel injection pump - Replace or repair injection pump.
Dirty or defective injectors - Test and replace fuel injectors if necessary.
The valve clearance is incorrect - Correct valve clearance needs to be set.

Loss of engine power
Air cleaner is dirty - Clean or change cleaner.
Defective or clogged injection nozzle - Clean or replace injection nozzles.
Fuel injection pressure is wrong - Correct the pressure settings.
Valve out of adjustment - Adjustment procedure required.
Improperly adjusted low idle speed - Adjustment required.
Clogged fuel lines or hoses - Clean fuel lines and hoses.
Blown cylinder head gasket - Change cylinder head gasket.
Piston rings are damaged or leaking - Replace the piston rings as required.

Engine overheats
Lack of coolant in cooling system - Fill radiator to proper level and check components for faults.
Low engine oil level - Check and refill engine oil.
Dirty radiator core or faulty radiator cap - Change cap or clean radiator.
Fan belt is worn or faulty - Install new fan belt.
Engine is under excessive load - Load reducing required.

Insufficient oil pressure
Engine oil insufficient - Check oil level and add oil as required.
Oil filter element clogged - Service or change engine oil filter element.
Oil grade or viscosity is wrong - Use oil of correct viscosity.
Main bearing oil clearance is excessive - Change bearings.
Oil pump failure - Inspect and change as required.

Engine knocking sound or abnormal noise
Engine oil level is low - Check and refill engine oil.
Engine is not warmed up to required temperature - Warm up engine as required.
Fuel injection pump timing is not adjusted - Set up as recommended.
Improperly adjusted low idle speed - Adjust low idling as recommended.
Damaged or clogged injectors - Test and replace fuel injectors if necessary.
Connecting rod is misaligned or worn - Replace or align connecting rod.
Pistons are worn or broken - Install new pistons.

Hydrostatic Transmission Troubleshooting

Hydrostatic transmission makes noise
Oil is dirty or oil level is too low - Add oil to the correct level or fill the transmission with fresh oil.
Worn or unadjusted speed control linkage - Change or adjust linkage.
Stuck relief valve - Replace relief valve as required.
Transmission overload - Reduce the load is required.
Transmission parts are worm or defective - Change or repair defective parts.

Low power
Low fluid level - Checking transmission fluid level and add if necessary.
Relief valve malfunction - Install a new relief valve.
Worn or unadjusted speed control linkage - Adjust or change linkage.

Transmission fluid overheated
Transmission fluid insufficient - Need to add transmission fluid.
Transmission fluid filter element clogging - Service or replace the transmission fluid filter.
Clogged or damaged cooling components - Inspect all cooling components and replace or clean if necessary.
Transmission overloaded - Reduce transmission load.

Transmission fluid leakage
Damaged gaskets or seals - Change defective gaskets or seal.
High internal transmission housing pressure - Check hydrostatic transmission components for defect or damage and change if necessary.
Clogged oil drain line - Clean or replace drain line.

Hydraulics Troubleshooting

Hydraulic system overheated
Hydraulic pressure is incorrect - Correct adjustment is required.
Main relief valve improper adjustment or failure - Adjust or replace the relief valve.
Hydraulic fluid is contaminated - Hydraulic fluid change required.
Not enough hydraulic fluid in the system - Fill the hydraulic system with oil.
Faulty hydraulic oil pump - Install new pump or repair it.

Lift arm won't raise or lower
Lift controls are faulty - Change or repair.
Hydraulic pump failure - Repair or replace pump if necessary.
Hydraulic control valve failure - Change or repair hydraulic valve.
Broken hydraulic cylinder - Replace or repair boom cylinder.
Low hydraulic oil level - Need to add oil.

Bucket is not working
Faulty bucket tilt controls - Check and repair as required.
Hydraulic pump malfunction - Install new pump or repair it.
Hydraulic control valve malfunction - Repair or replace hydraulic valve.
Bucket cylinder failure - Install a new cylinder or repair it.
Hydraulic fluid is insufficient - Add fluid as required.

Boom or bucket moves slowly
Worn hydraulic oil pump - Check hydraulic pump flow and replace pump if necessary.
Hydraulic cylinder leaking - Correct leakage by changing the seals.
Insufficient hydraulic oil - Fill the system to proper hydraulic oil level.
Hydraulic control valve is defective or set improper - Set properly or repair.
Hydraulic pressure is low - Adjust pressure as required.

Bucket or boom is moving jerkily
Air in the hydraulic system - Bleed air from hydraulic system.
Hydraulic oil filter clogging - Change or clean oil filter.
Hydraulic oil is contaminated - Hydraulic oil change required.
Cylinder rod or tube is scuffed - Change damaged component.

Excessive hydraulic pump noise
Hydraulic system leaking or not enough oil - Repair hydraulic leaks or add oil as required.
Clogged hydraulic filter - Change or clean oil filter.
Suction line is dirty - Suction line needs to be cleaned.
Pump is sucking air - Bleed air from hydraulics.
Damaged pump components - Rebuild or change hydraulic pump.

Electrical Troubleshooting

Battery does not charge
Loose or corroded cable connections - Tighten or service connections.
Faulty battery terminal clamps - Terminal clamps need to be replaced.
Battery is worn - Battery replacement required.
Belt is defective or loose - Belt needs to be adjusted or replaced.

Starter turns slow
Low battery power - Charge the battery.
Battery drains quickly - Service charging system or change battery.
Disconnected cables or faulty battery terminals - Connect wiring correctly or install new terminals.

Starter does not work
Battery is drained or worn - Battery needs to be recharged or replaced.
Battery cables are disconnected or improperly connected - Inspect cables and connect properly.
Low battery capacity - Battery is drained, charge it.
Starter motor is defective - Starter should be changed.

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WHEEL LOADERS SPECIFICATIONS

Caterpillar