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Case IH 7110 Magnum Troubleshooting

The Case IH Magnum 7110 is a 2-wheel drive or 4-wheel drive row-crop tractor. This model was manufactured from 1987 to 1993. The components of Case IH Magnum 7110 powerline system: a 505 cubic inches (8.3 L) Case-International 6T-830 six-cylinder turbocharged diesel engine with a rated power of 158 hp (117.3 kW), and full powershift transmission with 18 forward and 2 reverse gears or creeper transmission with 24 forward and 3 reverse gears.

The maximum travel speed (forward/reverse): 18.3 mph (29.4 km/h) and 2.9 mph (4.7 km/h). The closed center hydraulic system includes a piston pump with rated fluid flow of 22 gal/min (83.3 l/min). The hydraulic pressure is 180 bar (2600 psi).

The 2-wheel drive models are equipped with 11.00x16 front tires and 18.4R38 rear tires. The 13.6R28 front tires and 18.4R38 rear tires are used for tractors with 4-wheel drive. The wheelbase is 118.3" (3000 mm).

Engine Troubleshooting
Engine starts hard or doesn't start

Air in the fuel pipes - Bleed the fuel pipes.
Fuel filter element clogging - Replace the filter element.
Clogged or burnt injection nozzle - Check injection nozzles and replace if required.
Water in the fuel system - Change fuel and repair fuel system.
Excessive valve clearance - Adjust to proper valve clearance.
Fuel injection pump is broken - Install a new fuel pump or repair.

Engine starts and stalls suddenly

Clogged air filter element - Install new air filter element.
Fuel filter plugging - Replace filter element.
Problems with fuel injection pump tightness - Inspect fuel injection pump for leaks.
Dirty or defective injectors - Replace fuel injectors.
Fuel injection pump is defective - Repair or install new pump.

Engine shuts off suddenly during operation

Engine has not warmed up to the recommended temperature - Warm up the engine.
Fuel filter plugged - Clean the filter or install new filter element.
Air in fuel system - Bleed fuel system.
Fuel injection nozzles are clogged or faulty - Check injection nozzles and replace if required.
Incorrect adjustment of fuel injection pump timing - Set it up as required.

Engine stops when idling

Incorrectly set low idle speed - Correct the settings.
Fuel injection pump malfunction - Replace or rebuild injection pump.
Dirty or defective injectors - Clean or replace fuel injectors.
Valve clearance is not correct - Have it adjusted.

Diesel engine is losing power

Dirty air filter - Clean air cleaner element.
Dirty or faulty injection nozzles - Service or change injection nozzles.
Insufficient fuel injection pressure - Adjust pressure to proper level.
The valve clearance is incorrect - Check and adjust as required.
Incorrectly adjusted low idle speed - Test and adjust.
Dirt in the fuel lines or hoses - Clean fuel hoses and lines.
Cylinder head gasket defective - Gasket should be replaced.
Defective or worn piston rings - Install new piston rings.

Engine overheating

Lack of coolant in cooling system - Refill to the correct level and inspect system for leaks.
Low engine oil level - Check oil level and add oil as required.
Dirty radiator core or faulty radiator cap - Change cap or clean radiator.
Loose or damaged fan belt - Belt change is required.
Engine is running overloaded - Reduce engine load.

Oil pressure is insufficient

Engine oil level low - Fill the crankcase with oil.
Clogged oil filter - Clean or replace engine oil filter element.
Oil grade or viscosity is wrong - Use oil of proper viscosity.
Crankshaft bearing has excessive oil clearance - Change bearings.
Worn oil pump - Replace as required.

Engine knocking sound or abnormal noise

Engine oil level is insufficient - Add oil to the engine crankcase.
Low coolant temperature - Engine is not warmed up to the required temperature.
Fuel injection pump timing is not adjusted - Check the fuel injection pump timing adjustment.
Incorrectly set low idle speed - Adjust low idle speed.
Defective fuel injectors - Clean or replace fuel injectors.
Connecting rod is not aligned or worn - Need to change or align the connecting rod.
Pistons are scored or worn - Pistons replacement required.

Transmission Troubleshooting
Transmission oil pressure is insufficient

Insufficient transmission oil - Check and refill the transmission oil.
Clogged transmission fluid filter (if equipped) - Service or change transmission fluid filter.
Relief valve is stuck - Change relief valve.

Transmission noises

Lack of transmission fluid - Checking transmission fluid level and add if necessary.
Transmission oil is dirty - Change the oil.
Worn gears or incorrect backlash - Change worn gears or adjust backlash correctly.
Bearings are damaged or worn - Install new bearings.
Damaged or worn gear shift forks - Replace defective shift forks.
Worn or damaged shaft splines - Shaft need to be changed.

Gear hard to shift

Corroded or worn gear shift linkage - Install a new gear shift linkage.
Shift forks are worn or bent - Shift forks need to be changed.
Gearshift mechanism malfunction - Identify and replace failed parts.
Clutch is out of adjustment or defective - Adjust clutch or change if necessary.

Transmission oil leaks

Too much fluid in transmission - Excess fluid must be drained.
Seals or gaskets are broken - Install new components.

Hydraulic System Troubleshooting
Low hydraulic system pressure

Hydraulic fluid is insufficient - Checking hydraulic fluid level and add if necessary.
Clogged hydraulic fluid filter - Hydraulic filter maintenance required.
Defective hydraulic pump - Install a new hydraulic fluid pump.
Incorrect adjusted hydraulic spool valve - Adjust the spool valve correctly.
Defective hydraulic cylinder - Repair or replace hydraulic cylinder.
Leaking hydraulic pipes - Check the hydraulic system and fix leaks.

Hydraulics overheating

Main relief valve failure - Install a new relief valve.
Improper type of hydraulic oil - Use the proper type of oil.
Hydraulic oil is dirty - Hydraulic oil change required.
Air in hydraulic pipes - Bleed hydraulic pipes.

Hitch can't lift or lifts too slowly

Heavy load on the hitch - The load should be reduced.
Low hydraulic fluid level - Checking hydraulic fluid level and add if necessary.
Hydraulic fluid filter element is clogged - Clean the hydraulic filter element or replace if necessary.
Hydraulic pump failure - Change or repair hydraulic oil pump.
Main relief valve failure - Change relief valve.
Defective hydraulic spool valve - Install a new hydraulic valve or repair it.
Hydraulic cylinder not working - Repair or install a new hydraulic cylinder.
Suction line is loose or broken - Replace or repair.

Hitch cannot be dropped or dropping is too slow

Incorrect setting hydraulic spool valve - Use the correct setting.
Damaged hydraulic cylinder - Install a new hydraulic cylinder or repair it.
The hitch has not been adjusted - Adjust the 3-point hitch.
Hitch rock shaft is worn Change the shaft.

Hitch jerks when drop or lift

Air in hydraulic lines - Bleed hydraulic lines.
Hydraulic fluid is dirty - Hydraulic fluid change required.
Hydraulic pump failure - Replace or repair hydraulic oil pump.
Defective hydraulic spool valve block - Install a new valve or repair it.
Faulty hydraulic cylinder - Change or repair hydraulic cylinder.

Steering System Troubleshooting
Stiff steering

Incorrectly fitted or worn steering column - Refit or replace the steering column.
Air trapped inside steering system - Bleed the system of air.
Not adjusted toe-in - Check and adjust toe-in.
Tires have uneven wear - Replace the tires.
Defective hydraulic steering pump - Repair or change steering pump.
Stuck or damaged steering pump control valve - Service or replace flow control valve.
Steering fluid level low - Checking steering fluid level and add it if necessary.

Steering wheel free play is excessive

Steering column shaft or coupling has maximum wear - Replace faulty part.
Hydraulic steering pump is defective - Install a new hydraulic steering pump.
Loose or worn steering linkage components - Replace or repair steering linkage.

Tractor is pulling to left or right

Front tires wear unevenly - Change the tires.
Not adjusted toe-in - Adjust toe-in properly.
Steering linkage parts are loose or worn - Check and replace as required.
Incorrectly adjusted or worn front wheel bearings - Change or adjust bearings correctly.

Electrical Troubleshooting
Battery will not charge

Electrical wire connections are corroded or loose - Clean or tighten connections.
Faulty battery terminal connectors - Terminal connectors should be replaced.
Battery is worn - Battery replacement required.
Loose or worn belt - Replace belt or adjust belt tension.

Starter turning slow

Low battery voltage - Charge the battery.
Battery will not hold charge - Service battery or change it.
Terminals are faulty or battery cables are disconnected - Connect wiring properly or install new terminals.

Starter is not working

Battery is discharged or worn - Charge or change the battery.
Disconnected or improperly connected wiring harness - Inspect battery wiring harness and connect as required.
Low battery capacity - Low battery charging, charge as required.
Starter motor failure - Repair or replace starter.



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