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Case SV280 Troubleshooting

The Case SV280 skid steer loader driveline system components: FPT F5H FL463A four-cylinder turbocharged liquid-cooled diesel engine with a rated power of 68 hp (51 kW), and 1-speed or 2-speed hydrostatic transmission. The hydraulic system has a pump with a rated capacity of 24.2 gal/min (91.5 l/min) or 37.6 gal/min (142.5 l/min). The Case SV280 is equipped with a vertical-lift loader boom, ASA 100 drive chains, and 12.00x16.5 standard tires. The skid steer loader has a maximum lift height of 130" (3300 mm) to hinge pin and dump height of 103.5" (2630 mm). The rated operating capacity is 2800 lbs (1270 kg), and tipping load is 5600 lbs (2540 kg).

Engine Troubleshooting

Engine difficult to start or will not start
Air in fuel tank - Bleed fuel tank.
Fuel filter plugged - Replace filter element.
Clogged or burnt injection nozzle - Test injection nozzles and change if necessary.
Dirt or water in fuel system - Drain water or flush dirt from the system.
The valve clearance is incorrect - Check and adjust.
Fuel injection pump damage - Repair or install a new fuel pump.

Diesel starts but immediately shuts off
Air filter is plugged - Replace or clean air filter element.
Fuel filter element clogging - Clean or change the filter.
Problems with fuel injection pump tightness - Inspect fuel injection pump for leaks.
Defective or clogged fuel injectors - Clean or replace fuel injectors.
Defective fuel injection pump - Repair or install a new fuel pump.

Engine stalls while running
Engine not warmed up - Normalize the temperature by warming up the engine.
Dirty fuel filter - Install new filter element.
There is air in the fuel system - Bleed the system.
Faulty or dirty injection nozzles - Check injection nozzles and replace if required.
Fuel injection pump timing is wrong - Adjust according to specifications.

Engine shuts off while idling
Incorrectly adjusted low idle speed - Correct low idle settings.
Fuel injection pump is broken - Replacement or repair required.
Fuel injectors are dirty or defective - Clean fuel injectors or change it.
Valve clearance is out of adjustment - Adjust valve clearance according to specifications.

Engine lacks power
Plugged air cleaner - Install new air cleaner element.
Dirty or damaged injection nozzles - Clean or change injection nozzles.
Improper fuel injection pressure - Adjust to proper pressure.
Improper valve clearance - Adjust valve clearance.
Improperly adjusted low idle speed - Normalize low idle speed.
Restricted fuel hoses or lines - Service fuel lines and hoses.
Blown cylinder head gasket - Install a new gasket.
Defective or worn piston rings - Change piston rings.

Engine overheating
Not enough coolant - The cooling system needs to be refilled and checked for faults.
Engine oil level is insufficient - Checking oil level and add if necessary.
Dirty radiator fins or defective radiator cap - Change cap or clean radiator.
Excessive wear of the fan belt - If necessary, replace the belt.
Engine overloaded - Reduce engine load.

Oil pressure is insufficient
Lack of oil - Fill the crankcase with oil.
Clogged oil filter element - Change or service engine oil filter.
Oil grade or viscosity is incorrect - Fill up with the proper oil viscosity.
Excessive oil clearance of crankshaft bearing - Install new bearings.
Oil pump malfunction - Inspect and change as required.

Engine knocking or noise
Engine oil insufficient - Fill up the oil to required level.
Engine has not warmed up to the recommended temperature - Warm up engine as required.
Fuel injection pump timing is wrong - Adjust the pump as required.
Incorrectly adjusted low idle speed - Need to adjust idle speed.
Fuel injectors are dirty or defective - Clean fuel injectors or change it.
Misaligned or faulty connecting rod - Alignment procedure or replacement is required.
Broken or worn pistons - Pistons replacement required.

Drive System Troubleshooting

Drive system does not work in either direction
Low hydraulic fluid level - Checking hydraulic fluid level and add if necessary.
Drive chain failure - Check drive chain and change faulty components.
Relief valve is damaged or worn - Relief valve need to be replaced or repair.
Suction line or hydraulic filter is dirty - Check, clean, or replace if required.
Worn or damaged foot or hand controls - Inspect and repair if necessary.
Defective drive pump or motor - Replace or repair faulty component.

Power is too low
Hydraulic oil filter is clogged - Change or service hydraulic filter.
Opened or worn relief valve - Close or change relief valve.
Worn or defective transmission parts - Inspect and change defective parts.
Input drive shaft malfunction - Repair or replace drive shaft.
Air trapped in hydraulic system - Bleed air from hydraulic system.

Drive system is overheated
Hydraulic oil is insufficient - Check and refill the hydraulic oil.
Hydraulic fluid filter is plugged - Replace or clean hydraulic filter.
Defective relief valve - Repair or change.
Defective drive pump or hydraulic motor - Repair or change faulty component.
Dirty oil cooler - Clean the cooling fins.
Transmission overloading - Reduce the load.

Excessive noise
Incorrect oil viscosity - Use oil of proper viscosity.
Air in the hydraulic system - Need to bleed air.
Damaged drive pump or hydraulic motor - Check and repair if required.
Worn or damaged mechanical components of drive system - Check the parts for defect or damage and change if required.

Hydraulics Troubleshooting

Hydraulic system has overheating
Hydraulic pressure is not adjusted correctly - Correct setting is required.
Misadjusted or defective main relief valve - Adjust the valve or replace if necessary.
Hydraulic oil is contaminated - Fill up with fresh hydraulic oil.
Hydraulic oil level is low - Fill the hydraulic system with oil.
Defective hydraulic pump - Repair or replace pump if necessary.

Boom does not raise or lower
Lift controls are faulty - Inspect and repair if necessary.
Damaged hydraulic oil pump - Change or repair hydraulic pump if required.
Hydraulic control valve failure - Replace or repair the valve.
Hydraulic cylinder malfunction - Change or repair lift cylinder.
Low hydraulic fluid level - Checking hydraulic fluid level and add if necessary.

Bucket is not working
Defective bucket controls - Check and repair as required.
Damaged hydraulic oil pump - Repair or install new hydraulic pump.
Hydraulic control valve is defective - Repair or change the valve.
Faulty hydraulic bucket cylinder - Replace or repair cylinder.
Insufficient hydraulic fluid - Add fluid as required.

Slow boom or bucket operation
Worn hydraulic oil pump - Check the pump performance and replace it if required.
Hydraulic cylinder leaking - Cylinder seals need to be replaced.
Hydraulic fluid level low - Add fluid as required.
Hydraulic control valve is defective or set improper - Repair or adjust properly.
Hydraulic system loosing pressure - Correct setting is required.

Bucket or boom is jerky
There is air in the hydraulic system - Bleed air from system.
Hydraulic oil filter clogging - Clean or change the filter.
Hydraulic fluid contamination - The fluid must be changed.
Cylinder tube or rod is scored - Replace worn component.

Excessive hydraulic pump noise
Not enough oil or hydraulic system leaking - Correct hydraulic leaks or top up oil as needed.
Hydraulic filter is clogged - Service or replace hydraulic filter.
Clogged suction line - Suction line must be serviced.
Air in hydraulic pump - Bleed air.
Pump components are damaged - Change or rebuild pump.

Electrical Troubleshooting

Battery does not charge
Electrical wire connections are corroded or loose - Tighten or service connections.
Defective battery terminal clamps - Change terminal clamps.
Worn-out battery - Battery change required.
Belt is damaged or loose - Need to adjust belt tension or replace belt.

Starter motor cranks slow
Battery capacity is low - Battery is drained, charge it.
Battery won’t hold charge - Service battery or replace it.
Disconnected wiring or bad battery terminals - Connect wires correctly or change terminals.

Starter doesn't crank
Battery is discharged or defective - Recharge or replace battery.
Wiring is incorrectly connected or disconnected - Inspect wiring and connect correctly.
Low battery power - Recharge the battery.
Faulty starter motor - Repair or install a new starter.