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Case IH 7130 Magnum Troubleshooting

The Case IH 7130 is a 2WD or 4WD row-crop tractor from Magnum series. This model was manufactured between 1987 and 1993. The Case IH Magnum 7130 tractor is powered by 505 cu.in (8.3 L) Case-International 6T-830 vertical in-line 6-cylinder turbocharged diesel engine with a rated power of 208 hp (153.6 kW).

The Case IH Magnum 7130 is fitted with a two transmission options: 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): 19.6 mph (31.5 km/h) and 3 mph (4.8 km/h).

The closed center hydraulic system has a piston pump with a rated capacity of 22 gpm (83.3 lpm). The hydraulic system pressure is 180 bar (2600 psi). The 2WD models are equipped with 14L-16.1 front tyres and 18.4R42 rear tyres. The 14.9R28 front tyres and 18.4R42 rear tyres are used for 4WD tractors. The wheelbase is 118.3 inches (3000 mm).

Diesel Engine Troubleshooting
Engine hard to start or won't start

Air in fuel tank - Bleed fuel tank.
Fuel filter element is clogged - Clean the filter element.
Dirty or faulty injection nozzles - Install a new kit of correctly balanced nozzles.
Water or dirt in fuel system - Drain, flush, and service the system.
Valve clearance is not correct - Need to adjust valve clearance.
Fuel injection pump malfunction - Repair or install a new fuel pump.

Engine starts but immediately stalls

Intake air restriction - Service air cleaner.
Fuel filter element is clogged - Install new filter element.
Problems with fuel injection pump tightness - Inspect fuel injection pump for leaks.
Fuel injector fault - Clean fuel injectors or change it.
Defective fuel injection pump - Change or repair the pump.

Engine stops running suddenly

Engine is not warmed up to the required temperature - Warm up the engine.
Fuel filter element clogging - Service or replace the filter.
Air in the fuel pipes - Bleed the fuel pipes.
Faulty fuel injection nozzles - Service or change injection nozzles.
Incorrect adjustment of fuel injection pump timing - Adjust according to specifications.

Engine stops when idling

Low idle speed setting is not correct - Correct low idle settings.
Fuel injection pump malfunctioning - Change or repair the pump.
Defective fuel injectors - Replace fuel injectors.
Valve clearance is not correct - Adjust valve clearance.

Engine power loss

Dirty air cleaner - Change air filter element.
Clogged injection nozzle - If necessary, replace with a new nozzle.
Fuel injection pressure is wrong - Adjust to correct pressure.
Incorrect valve clearance - Check and adjust as required.
Incorrectly set low idle speed - Normalize low idle speed.
Fuel lines or hoses are dirty - Clean fuel hoses and lines.
Damaged cylinder-head gasket - Change cylinder head gasket.
Worn or broken piston rings - Change piston rings.

Engine is overheated

Coolant level is low - Add coolant and check the components of cooling system.
Insufficient engine oil - Need to add engine oil.
Damaged radiator cap or dirty radiator core - Clean radiator or change cap.
Broken or loose fan belt - Belt replacement is recommended.
Engine overload - Load reducing required.

Oil pressure is insufficient

Engine oil level low - Fill the crankcase with oil.
Dirty oil filter - Replace or service engine oil filter.
Different type of engine oil - Drain crankcase and refill with correct oil.
Excessive oil clearance of crankshaft bearing - Bearing replacement required.
Oil pump is damaged - Repair or replace.

Engine noises or knocks

Insufficient engine oil - Fill the crankcase with engine oil.
Low coolant temperature - Warm up engine as required.
Timing of fuel injection pump is incorrect - Use the correct fuel injection pump timing adjustment.
Low idle speed setting is incorrect - Correct the settings.
Damaged or clogged injectors - Inspect fuel injectors and change as required.
Faulty or misaligned connecting rod - Replace or align connecting rod.
Broken or worn pistons - Pistons replacement required.

Transmission Troubleshooting
Transmission fluid pressure is insufficient

Transmission oil insufficient - Check and refill the transmission oil.
Dirty transmission fluid filter element (if equipped) - Replace or service transmission fluid filter.
Defective relief valve - Replace relief valve as required.

Transmission noise

Low oil level - Add oil to the transmission housing.
Transmission oil contamination - Transmission oil change required.
Gears are defective or backlash is improper - Adjust backlash correctly or replace the gears.
Worn or damaged bearings - Change the bearings.
Shift forks are worn or bent - Replace defective shift forks.
Shaft splines are stuck or worn out - Shaft need to be replaced.

Gear hard to shift

Worn or rusty gear shift linkage - Install a new gear shift linkage.
Worn or bent gear shift forks - Install new shift forks.
Gear shifting mechanism is defective - Defective parts must be replaced.
Clutch is faulty or misadjusted - Change or adjust clutch.

Transmission fluid leakage

Transmission oil level is high - Correct the oil volume.
Damaged gaskets or seals - Gaskets or seal replacement required.

Hydraulic System Troubleshooting
Hydraulic oil pressure is low

Hydraulic oil is insufficient - Need to add oil.
Clogged hydraulic oil filter element - Service or replace the hydraulic filter.
Hydraulic pump is faulty - Change or repair hydraulic fluid pump.
Incorrect setting hydraulic control valve - Use the correct adjustment.
Faulty hydraulic cylinder - Install a new hydraulic cylinder or repair it.
Leaking hydraulic lines - Check the system and repair leaks.

Hydraulics overheating

Damaged main relief valve - Install a new relief valve.
Improper type of hydraulic fluid - The correct type of fluid must be used.
Hydraulic fluid is dirty - Hydraulic fluid change required.
Air in hydraulic pipes - Bleed hydraulic pipes.

Hitch can't lift or lifts too slowly

Excessive loading on the hitch - The load should be reduced.
Hydraulic oil is insufficient - Check and refill the hydraulic oil.
Clogged hydraulic oil filter - Clean the hydraulic filter element or replace if necessary.
Hydraulic pump is faulty - Replace or repair hydraulic fluid pump.
Damaged main relief valve - Relief valve replacement required.
Hydraulic control valve is faulty - Change or repair hydraulic valve.
Defective hydraulic cylinder - Repair or change hydraulic cylinder.
Suction line is broken or disconnected - Connect or replace.

Hitch fails to drop or drops slowly

Not adjusted hydraulic control valve - Need to adjust.
Faulty hydraulic cylinder - Install a new hydraulic cylinder or repair it.
The three-point hitch is not adjusted - Adjust the hitch.
Hitch rock shaft is damaged - Change the shaft.

Hitch lowering or lifting is jerky

There is air in the hydraulic system - Bleed hydraulic system.
Hydraulic fluid contamination - Change hydraulic fluid.
Hydraulic pump is faulty - Install a new hydraulic oil pump.
Hydraulic control valve block is faulty - Replace or repair the valve.
Defective hydraulic cylinder - Install a new hydraulic cylinder or repair it.

Steering Troubleshooting
Steering wheel is difficult to turn

Incorrectly installed or worn steering column - Install the steering column correctly or replace it.
Air lock in hydraulic steering system - Bleed the system of air.
Not adjusted toe-in - Check and adjust toe-in.
Tire pressure is uneven - Adjust the tire pressure.
Steering pump is worn - Install a new hydraulic steering pump.
Faulty or stuck pump flow control valve - Service or replace flow control valve.
Low steering fluid level - Fill the steering system with fluid.

Excessive free play of steering wheel

Steering column coupling or shaft is extremely worn out - Replace faulty component.
Steering pump is faulty - Steering pump needs to be replaced or repaired.
Loose or worn steering linkage components - Inspect and change as required.

Tractor pulls to right or left

Uneven tyre pressure - Inflate the tyres properly.
Incorrect toe-in - Check and adjust toe-in.
Steering linkage components are loose or worn - Check and change as required.
Worn or incorrectly adjusted or worn front wheel bearings - Adjust properly or replace bearings.

Electrical Troubleshooting
Battery cannot be charged

Electrical wire connections are corroded or loose - Tighten or service connections.
Battery terminal clamps are defective - Install new terminal clamps.
Bad cell in battery - Battery change required.
Belt is damaged or loose - Belt needs to be adjusted or changed.

Starter motor turns slow

Low battery capacity - Low battery charging, charge as required.
Battery is draining quickly - Service charging system or change battery.
Corroded battery terminals or disconnected wires - Check wiring connections and replace or clean terminals.

Starter will not crank

Battery is low or faulty - Charge or change the battery.
Wire harness is disconnected or incorrectly connected - Check wire harness and connect as required.
Battery capacity is low - Battery is drained, charge it.
Starter motor is faulty - Change or repair starter.



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