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Case IH MX100C Troubleshooting

The Case IH MX100C is a 4-wheel drive utility tractor. This model was manufactured from 1998 to 2002. The Case IH MX100C tractor is powered by 244 cu.in (4 L) Perkins 1004-4T 3-cylinder direct injection turbocharged diesel engine with a rated power of 102 hp (76.1 kW).

The Case IH MX100C is fitted with a two transmission options: powershift transmission with 16 forward and 12 reverse gears, or creeper transmission with 32 forward and 24 reverse gears. The maximum travel speed (forward/reverse): 23 mph (37 km/h) and 13.7 mph (22 km/h).

The PFC closed center hydraulic system has a piston pump with a rated capacity of 25 gpm (94.6 lpm). The hydraulic system pressure is 203 bar (2950 psi). The tractor is equipped with a hydrostatic power steering system, differential hydraulic wet disc brakes, 14.9x24 front tyres, and 16.9x38 rear tyres. The wheelbase is 95.4" (2420 mm).

Engine Troubleshooting
Engine starts hard or won't start

Air in fuel system - Bleed fuel system.
Dirty fuel filter - Service or replace the filter.
Clogged injection nozzle - Inspect nozzles and replace if necessary.
Water or dirt in fuel system - Drain, flush, and service the system.
Incorrect valve clearance - Adjust valve clearance.
Faulty fuel injection pump - Replace or repair injection pump.

Diesel starts but stalls suddenly

Clogged air filter element - Install new air filter element.
Fuel filter element clogging - Clean the filter or install new filter element.
Fuel injection pump leakage - Check the fuel injection pump for leaks and fix it.
Fuel injectors are dirty or defective - Inspect fuel injectors and change as required.
Fuel injection pump malfunction - Repair or install a new fuel pump.

Engine stalls while running

Coolant temperature is low - Warm up the engine.
Fuel filter element is dirty - Install new filter element.
Air in the fuel pipes - Bleed the fuel pipes.
Fuel injection nozzles are faulty or clogged - Clean or change injection nozzles.
Incorrect adjustment of fuel injection pump timing - Adjust as recommended.

Engine stops at idle

Too low idle RPM - Adjustment required.
Fuel injection pump malfunction - Replace or repair injection pump.
Fuel injector fault - Test and replace fuel injectors if necessary.
Excessive valve clearance - Adjust valve clearance according to specifications.

Engine power loss

Dirty air filter - Replace air filter element.
Fuel injection nozzles are damaged - Install a new kit of correctly balanced nozzles.
Insufficient fuel injection pressure - Adjust pressure to proper level.
Incorrect valve clearance - Correct valve clearance.
Improperly adjusted low idle speed - Adjust as required.
Fuel hoses or lines are dirty - Fuel lines and hoses need to be cleaned.
Cylinder head gasket defective - Change cylinder head gasket.
Worn or damaged piston rings - Install new piston rings.

Engine overheated

Not enough coolant - Refill to the correct level and inspect system for leaks.
Insufficient engine oil - Checking oil level and add if necessary.
Dirty radiator fins or faulty radiator cap - Change cap or clean radiator.
Fan belt slipping or worn - The fan belt needs to be replaced.
Engine overloaded - Load reducing required.

Oil pressure is low

Low crankcase oil level - Fill crankcase to proper oil level.
Oil filter clogged - Replace or clean engine oil filter element.
Wrong oil viscosity - Use the specified type of engine oil.
Crankshaft bearing has excessive oil clearance - Replace bearings.
Oil pump is defective - Repair or replace.

Engine noises or knocks

Not enough engine oil - Fill up the oil to required level.
Engine is not warmed up to the required temperature - Warm up the engine.
Improper fuel injection timing - Check the fuel injection pump timing adjustment.
Incorrectly adjusted low idle speed - Correct low idle adjustment.
Dirty or defective injectors - Replace or clean fuel injectors.
Connecting rod is not aligned or worn - Alignment procedure or replacement is required.
Scored or worn pistons - Replace the pistons as required.

Transmission Troubleshooting
Transmission fluid pressure is insufficient

Transmission oil insufficient - Fill up the transmission oil.
Clogged transmission fluid filter (if equipped) - Clean or change transmission fluid filter.
Stuck relief valve - Install a new relief valve.

Transmission noises

Lack of transmission oil supply - Check and refill the transmission oil.
Transmission oil contamination - Change the oil.
Damaged gears or incorrect backlash - Change the gears or set backlash properly.
Bearings are damaged or worn - Bearings replacement required.
Damaged or worn gear shift forks - Shift forks need to be replaced.
Stuck or worn shaft splines - Shaft need to be replaced.

Gear shift is hard

Gear shift linkage is corroded or worn - Lubricate or replace shift linkage.
Worn or damaged gear shift forks - Shift forks need to be changed.
Worn gear shifting mechanism - Repair or change worn components if necessary.
Clutch is out of adjustment or defective - Adjust or change the clutch.

Transmission oil leaking

Transmission fluid level is exceeded - Excess fluid must be drained.
Damaged gaskets or seals - Install new components.

Hydraulics Troubleshooting
Insufficient hydraulic fluid pressure

Hydraulic oil is insufficient - Need to add oil.
Clogged hydraulic oil filter element - Hydraulic filter maintenance required.
Damaged hydraulic pump - Install a new hydraulic fluid pump.
Incorrect setting hydraulic spool valve - Use the correct setting.
Faulty hydraulic cylinder - Install a new hydraulic cylinder or repair it.
Leaks in hydraulic pipes - Inspect the system for leaks and fix it.

Hydraulic system overheating

Main relief valve is defective - Change relief valve.
Hydraulic oil type is wrong - Correct type of oil must be used.
Hydraulic fluid is dirty - Hydraulic fluid change required.
There is air in the hydraulic system - Bleed hydraulic system.

3-point hitch won't lift or lifts slowly

Excessive loading on the hitch - Load needs to be reduced.
Hydraulic fluid level low - Fill the system to proper hydraulic fluid level.
Clogged hydraulic fluid filter - Hydraulic filter maintenance required.
Damaged hydraulic pump - Install a new hydraulic fluid pump.
Main relief valve malfunction - Install a new relief valve.
Hydraulic control valve block is faulty - Install a new valve or repair it.
Hydraulic cylinder failure - Repair or replace hydraulic cylinder.
Disconnected or broken suction line - Change or connect properly.

Three-point hitch cannot be dropped or dropping is too slow

Hydraulic spool valve is not set properly - Set the spool valve properly.
Hydraulic cylinder failure - Change or repair hydraulic cylinder.
Misadjusted hitch - Need to make adjustments.
Damaged hitch rock shaft - Install a new shaft.

Hitch lower or lift is jerky

Air in hydraulic pipes - Bleed hydraulic pipes.
Contaminated hydraulic oil - Change hydraulic oil.
Hydraulic pump failure - Repair or replace hydraulic oil pump.
Defective hydraulic control valve block - Install a new hydraulic valve or repair it.
Hydraulic cylinder is broken - Install a new hydraulic cylinder or repair it.

Steering Troubleshooting
Excessive effort to steer

Improperly assembled or defective steering column - Reassemble or change the steering column.
Air in steering system - Bleed the steering system.
Not adjusted toe-in - Check and adjust toe-in.
Uneven wear on front tires - Replace the tires.
Steering pump is worn - Replace or repair steering pump.
Stuck or faulty steering pump control valve - Replace or clean flow control valve.
Low steering fluid level - Fill the steering system with fluid.

Excessive steering wheel play

Steering column coupling or shaft is worn - Replace defective component.
Damaged hydraulic steering pump - Install a new steering pump.
Worn or loose steering linkage joints - Check and replace as required.

Front wheels wander to left or right

Tire pressure is uneven - Adjust the tire pressure.
Improper toe-in - Adjust toe-in properly.
Steering linkage components are loose or worn - Check and change as required.
Incorrectly adjusted or damaged front wheel bearings - Adjust properly or change bearings.

Electrical Troubleshooting
Battery does not charge

Wiring connections are corroded or loose - Service or tighten cable connections.
Faulty battery terminal connectors - Terminal connectors should be replaced.
Bad cell in battery - Install a new battery.
Belt is defective or loose - Belt needs to be adjusted or changed.

Starter turns slowly

Low battery power - Charge the battery.
Battery runs out quickly - Service or replace the battery.
Wires are disconnected or battery terminals are corroded - Check cables and clean or change terminals.

Starter doesn't crank

Battery is drained or defective - Need to charge or replace the battery.
Wiring is incorrectly connected or disconnected - Inspect wiring and connect correctly.
Low battery capacity - Battery is drained, recharge it.
Starter motor is defective - Starter needs to be changed.



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