Specifications, Service and Repair of Farm and Lawn Tractors

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Massey Ferguson 3690 - Breakdowns during operation

Some days ago I got the damage with my 3690 tractor. Diesel engine doesn't rotate. Explain me what could be the damage?

Fuel type is incorrect. Fuel pump drive problems. Inspect and replace. Wrong fuel pump timing. Adjustment required.

Massey Ferguson 3690 problems. Insufficient engine power. How should I get rid of problem?

Incorrect valve timing. Check and adjust, or replace cam shaft if necessary. Travel speed is too fast for conditions.

Can someone say me why engine does not run smoothly?

Water mixed in the fuel - Remove water and replace with light oil.

MF 3690 tractor question. Hard shifting transmission. What's fault?

Improper shift linkage adjustment - Adjust linkage.

Please tell me why my steering wheel spinning too easy? What do I need to do to fix an issue?

Low hydraulic oil level in tank - It is required to top up the oil. Steering cylinder has problems - Repair it. The steering pump is defective - Check the steering pump.

I got Massey Ferguson 3690 in november. Today there is trouble. Diesel not starting. Could anybody help me determine the source of problem?

Starter faulty - Change or restore. Clogging in the fuel line - Clean and flush. Filter element is dirty - Replace fuel filter. Piston rings worn out - Change piston rings.

I bought the same model. Recently, steering wheel operate heavy. Somebody tell me what are possible malfunctions?

Low oil index. Steering pump malfunction. Steering pump broken. Repair tie-rod. Oil flows out of the system. It is necessary to eliminate the problem. Power steering pump defect. Repair the pump. Power steering defective. Replace it.

3690 model trouble. Engine cranks but not starting. Help me please identify prime cause of issue. What can I do?

Broken choke or throttle cable. Choke adjusted incorrectly. Incorrect functions of the cold start system. Damage or wear of piston rings. Valve Leakage/Adjustment Bad. Water, dirt, or air in fuel system. Drain, flush, fill and bleed system. Fuel too heavy at low temperature.

MF 3690 diesel engine damages. Engine long starting regularly. How can i resolve the question?

Restricted Fuel Lines. Air in fuel system. Exhaust pipe is clogged. Slow starter speed. Diesel injection nozzles faulty or sticking. Clogged fuel filter. Clean or replace fuel filter. Incorrect timing.

There was a breakdown of the steering on my tractor. What's a breakdown?

Hydraulic system has a large amount of air. We recommend you release air from system. Low oil rate in the tank. Pour completely. Steering hydraulic cylinder worn out Repair it.

I have the same model. Why diesel engine has not been started? How can i fix damage?

Valve timing is wrong - Need setting of valve timing. Bad cylinder compression. Wear cylinder bores - Repair it. Leaks between seats and valves - Remove leaks.

MF 3690 breakdowns. Diesel engine knocks. what kind of issue?

Lack of oil. Add oil. This is the low temperature of the coolant.

I can't find the reason why driving front axle produces a rumble incessantly at the moment of motion?

Teeth of gears broke. It is recommended to replace the gear. Roller bearings are firmly erased. You need to change it.

I'm the owner this tractor about 5 years. Sometimes motor start is intermittent. How to get rid of this?

Injector is dirty. Need to check injector. High-pressure fuel pump problems. Do overhaul of high-pressure fuel pump.

I get the same model. Can someone explain to me what reason if differential lock assembly does not work swiftly? How can I fix it? What should I do?

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

I have 3690 tractor. Diesel engine doesn’t want to work. Help me what is the fault?

We can assume fuel filter clogged. Otherwise injection pump not adjusted.

Need help. Diesel constantly overheats. How can I repair it?

Little coolant in the cooling system. You need to fill the system. Broken or loose fan belt - Adjust belt tension or replace. Clogged air filter element - Clean or replace air filter. Engine overloaded - Reduce engine load. Fan belt is damaged. Change as required.

My brother has Massey Ferguson 3690. Two days ago he got a crunch in the rear axle. Which part is damaged?

These symptoms denote damaged bearings.

Tell me what is the reason that motor excessive white smoke at idle?

When white gas visible from the exhaust pipe you required to change piston rings immediately. Deficient compression - Adjust top clearance.

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