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Massey Ferguson 7490 Tractor Problems

Lately I discovered a malfunction with my MF 7490. Diesel motor does not rotate. Explain me what is the failure?

Wrong type or grade of fuel used. Malfunction of the fuel pump. Diagnose and change. Incorrect fuel injection pump timing. Adjust as required.

Massey Ferguson 7490 problems. Poor engine performance. How do I troubleshoot it?

Governor defective. Incorrect timing of fuel jet Have it repaired by the service representative. Leaking valve seat.

Help with the question what is defect if diesel engine starts but stops after a short period of time?

Clogged fuel injectors. Fuel line restricted. Compression too low. Cooling fins plugged.

7490 tractor trouble. Transmission shifts hard in reverse. What happened?

Excessive clutch pedal free travel - Adjust free travel.

Here is my question - why steering wheel turns around without opposition? How do I act for troubleshooting?

Minimum Oil Rating - It is required to top up the oil. Possible malfunction steering hydraulic cylinder - Make a replacement. Steering pump have worn - Install a new pump.

I acquired Massey Ferguson 7490 in september. Now there is failure. Engine won't start. Could someone help me diagnose the source of failure?

Starter motor turns engine too slowly - Need a replacement or overhaul. Clogging in the fuel line - Flush and clean the fuel pipe. The fuel filter element is dirty - Renstall filter element. Piston ring failure - Change piston rings.

I bought the same tractor. Recently, steering wheel works heavy. Tell me what is a breakdown?

Low oil index. Top up the oil. hydraulic connection leaking. Eliminate a defect. Steering pump is defective. Repair the pump. Power steering has a defect. Replace it.

7490 tractor question. Motor hard to start. Need help to identify main cause of breakdown. What should I check?

Remove and clean Fuel Tank and lines. Change Fuel Filter. Cold start system worked incorrectly. Defect or failure of piston rings. Cracked injector Body or Cup. Water in fuel. Crankcase oil too heavy. Use oil of proper viscosity.

Massey Ferguson 7490 diesel malfunctions. Motor starts hard permanently. How do i fix it?

Restricted Fuel Lines. Air leakage to the fuel inlet. Exhaust pipe is clogged. Slow starter speed. Dirty or faulty injectors. Filter clogged. Fuel shut-off valve closed. Open fuel shut-off valve.

Steering does not operate on our tractor. What's a breakdown?

Hydraulic system has a large amount of air. You need remove air. The minimum oil indicator in the tank. It is required to add oil. Steering cylinder has a defect Repair it.

Having used the exact same tractor. Why diesel does not start? How could i solve a problem?

Valve timing is incorrect - Need setting of valve timing. High or Low compression. Wear cylinder bores - Repair it. Leakage between seats and valves - Eliminate leakage.

MF 7490 breakdowns. This is a diesel motor knock. what kind of malfunction?

Lack of oil. Fill up. Cooling temperature is minimum.

I can't figure it out why front axle produces a rumble incessantly while driving?

Teeth of gears broke. You need to install new gears. Bearings are very worn out. Swap the replacement.

I own this model about 4 years. Regularly diesel starting is very difficult. How to eliminate?

Nozzle is dirty. It is required to diagnose a nozzle. Injection pump is not working. Install a new fuel pump.

I get the same model. Explain to me what's problem if locking differential can break immediately? How can I fix it? What should I do?

This is the diaphragm rupture or discs friction clutch worn out. Replace parts.

I'm using MF 7490. Motor not starting. Tell me can I solve the problem myself?

Possibly Dirt in the fuel system. Otherwise high-pressure fuel pump not adjusted.

I have trouble. Motor constantly overheats. What could be the problem?

Little coolant in the cooling system. You need to fill the system. Cooling fins plugged. Crankcase low on oil. Lack of coolant - Refill with coolant. Leaks in system - Replace/tighten hoses and connections. Motor overloaded - Reduce motor load. Loose or problem fan belt. Adjust belt tension.

My father has Massey Ferguson 7490. Three days ago he heard a loud knocking in the crankcase of the drive axle. What problem tell me?

These sounds evidence of bearing problems.

Help with the question what is problem if diesel engine excessive white smoke at idle?

When white gas appeared from the exhaust pipe you need to change piston rings urgently. High engine oil level - Inspect oil level and correct.