Specifications, Service, and Repair of Farm and Lawn Tractors

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MF 7480 Problem - Troubleshooting assistance

The other day I noticed some trouble on my MF 7480. Diesel motor doesn't crank over. Tell me please what is the malfunction?

Fuel grade is wrong. Broken drive on fuel injection pump. Diagnose and change. Timing of fuel injection pump is incorrect. Adjust if needed.

Massey Ferguson 7480 damages. Engine low on power. How can I troubleshoot it?

Too much oil in the crankcase. Drain oil to the correct level. Turbocharger faulty.

Tell me please what is defect if engine stops during operation?

Air cleaner element plugged. Dirty fuel filter - Clean or replace the filter element.

7480 tractor trouble. Hard shifting transmission. What's the reason?

Front bearing retainer loose or cracked - Tighten or replace retainer.

I would like to know why steering wheel turns without opposition? What are my actions to solve the problem?

Low Oil Rating - It is required to add oil. Steering cylinder has a defect - Change the seal. Defect in the power steering pump - Replace pump.

I bought a MF 7480 in april. Currently there is malfunction. Diesel not starting. Can anyone help me diagnose a source of malfunction?

Starter does not work - Inspect the starter and install a new as required. Dirt in the fuel system - Clean and flush. There is dirt in the fuel filter - Replace it. Piston rings worn out - Change piston rings.

I bought the same tractor. Recently, steering wheel stopped turning. Explain to me what are possible malfunctions?

The minimum oil level. The front wheels are not aligned correctly. Steering gear not properly adjusted (too tight). Hydraulic connections are not sealed. It is necessary to eliminate a fault. Power steering pump defect. Check the steering pump. Power steering is damaged. Diagnose the power steering.

7480 tractor issue. Diesel starts hard. Help me please specify the cause of problem. What do I need to check?

Improper engine oil viscosity. Loose electrical connections. Cold start system used incorrectly. Wear or deformation of piston rings. Gasket Blow-By or Leakage. Water mixed in the fuel. Fuel too heavy at low temperature.

Massey Ferguson 7480 diesel engine malfunctions. Motor is difficult to start sometimes. How can i fix the breakdown?

Restricted Fuel Lines. Air leaks on suction lines. Restriction in exhaust pipe. Slow starter speed. Dirty or faulty injectors. Filter clogged. Long Idle periods.

Steering doesn’t function on our tractor. Why did this happen?

The air was formed in hydraulic system. We recommend you release air from system. The minimum oil level in system. It is required to add oil. Possible malfunction of hydraulic steering cylinder Repair it.

I own the same tractor. Why diesel engine has not been started? How can i resolve the question?

Incorrect valve timing - Make adjustment. Compression increase. Cylinder bores wear - Need overhaul. Leakage between seats and valves - Need Removal of leakage.

MF 7480 issues. I hear a diesel knock. what kind of failure?

Lack of oil. Add oil. Engine out of time. Excessive engine load.

Please help to understand why driving front axle is cracking chronically at the moment of motion?

Defective gear. Replace gears. Bearings are firmly erased. You need to change it.

I'm the owner this model about 4 years. Often motor start is intermittent. How to eliminate?

Nozzle has dirt. You must checking a nozzle. Injection pump does not work. Requires replacement of injection pump.

I bought the same tractor. Can anybody tell me why differential lock assembly is defective abruptly? How can I fix it? What should I do?

This is the diaphragm rupture or disks of the friction clutch are worn out. You have to make repairs.

I'm using Massey Ferguson 7480. Diesel engine doesn’t want to work. Tell me How can I eliminate a breakdown?

Possibly Dirt in the fuel system. Otherwise the fuel pump not adjusted.

Need help. Engine overheating occurs. What is the problem?

Lack of coolant - Refill with coolant. Incorrect engine oil level or contaminated with water. Check and replace the engine oil or adjust the oil level by draining or filling to the required level. Too much load - you must reduce the load or speed. Broken or misadjusted fan belt - Adjust or replace.

My brother has 7480 tractor. Day before yesterday he diagnosed knocking in the rear axle housing. Which part is damaged?

These sounds point to bearing problems.

Tell me why diesel exhaust white gas?

If white smoke appeared from the exhaust pipe you need to carry out replacement of piston rings immediately. Insufficient fuel delivery. Shortage of or faulty fuel.

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