Specifications, Service and Repair of Farm and Lawn Tractors

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Massey Ferguson 3680 Troubleshooting

Two days ago I got a failure on my Massey Ferguson 3680. Diesel motor can not crank. Explain me what could be the issue?

You used an incorrect type of fuel. Defective high pressure fuel pump. Diagnose and change. Incorrect fuel injection pump timing. Adjust as required.

MF 3680 malfunctions. Reduced performance of the engine. How to get rid of problem?

Blocked air filter. Clean it or replace it if necessary. Dirty engine air screen/fins. Clean engine air screen/fins.

Please explain me what is damage if engine stops suddenly?

Engine overheating. Defective injection nozzle. Loose electrical connections.

3680 tractor question. Hard shifting transmission. What happened?

Linkage needs lubricant - Lubricate. Shift cover loose - Tighten cover.

I would like to know why my steering wheel turns very easy? What should I do for troubleshooting?

Low Oil Rating - Pour completely. Steering cylinder has damage - Perform repair. Pump steering broke - Repair pump.

I acquired a Massey Ferguson 3680 in april. Now there is breakdown. Engine won't start. Could someone help me determine a source of failure?

Starter failure - Replace or repair. Fuel pipes are contaminated - You should make washing and cleaning. There is dirt in the fuel filter - Replace it. Piston rings are broken - Replace the piston rings.

I bought the same tractor. Yesterday I saw the steering is very hard. Somebody tell me what's issue?

Low oil index. Faulty steering pump. Steering pump malfunction. Tight ball joints. Leak in hydraulic connections. It is necessary to eliminate the problem. Power steering pump defect. Install the new pump. Power steering is damaged. Diagnose the power steering.

MF 3680 problem. Engine is difficult to start. Please help me determine the source of malfunction. What should I check?

Engine flooded. Engine oil filter restricted. Water, rust or stale fuel in tank. Cold start system worked incorrectly. Broken or Worn Piston Rings. Gasket Blow-By or Leakage. Water in fuel. Fuel too heavy at low temperature.

3680 tractor motor breakdowns. Diesel hard starting sometimes. How do i fix it?

Clogging in fuel tank vent. Air leakage to the fuel inlet. Exhaust pipe is clogged. Low voltage - Charge battery. Diesel injection nozzles faulty or sticking. Clogged fuel filter. Clean or replace fuel filter. Long Idle periods.

Steering stopped working on my tractor. Why did this happen?

The hydraulic system has air. You need draw out air. Low hydraulic oil rate in the tank. Fill the tank. Steering cylinder has a defect Check and repair.

I use the exact same model. Why diesel does not start? How can i fix malfunction?

Incorrect valve timing - Need setting of valve timing. Bad compression. Worn cylinder bores - Repair it. Leaks between valves and seats - Eliminate leak.

Massey Ferguson 3680 problems. I hear the engine knocking. what is the probable damage?

Oil of small quantity. You should pour this. Coolant temperature dropped.

I have a problem why tractor front axle to howls chronically at work?

This is the failure of any gear. You need to install new gears. Roller bearings are very worn out. Swap the replacement.

I have this model about four years. Regularly diesel engine start is difficult. How to get rid of this?

Injector is dirty. It is required checking a nozzle. High-pressure fuel pump has a breakdown. Replace injection pump.

I have the same model. Tell me why differential lock assembly is damaged swiftly? What's solution to the problem?

This is the diaphragm rupture or discs friction clutch worn out. Change worn components.

I have MF 3680. Motor not working. Help me can i fix the problem?

Possibly Dirt in the fuel system. Or high-pressure fuel pump to lost adjustments.

Please help me. Motor overheating occurs. How to fix it?

Coolant level lowered. Pour liquid into radiator to recommended level. Defective thermostat - Replace. Dirty, plugged, or damaged shrouding or engine fins. Insufficient engine oil - Inspect oil level and replenish if necessary. Engine overloaded - Reduce engine load. Broken or misadjusted fan belt - Adjust or replace.

My brother has Massey Ferguson 3680. Day before yesterday he diagnosed a crunch in the rear axle. What is the malfunction?

These symptoms denote destruction of bearings.

Can someone say me what is defect if diesel exhaust with white smoke?

If white gas visible from exhaust pipe you need to carry out replacement of piston rings immediately. Oil level too high - Reduce to correct quantity.

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