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JD 5720 - How to troubleshoot possible problems

Recently I found out the damage with my JD 5720. Diesel will not crank. Tell me what is the probable malfunction?

You must use the recommended fuel grade. Fault in fuel injection pump. Inspect and refit. Wrong fuel injection pump timing. Adjust if needed.

I would like to know why my steering wheel rotates without resistance? What should I do for troubleshooting?

Low oil index - Fill the tank. Possible malfunction steering hydraulic cylinder - Make a replacement. Defect in the power steering pump - Install a new pump.

I got a John Deere 5720 in february. Now there is damage. Diesel engine not starting. Could someone help me identify the source of failure?

Starter speed is slow - Diagnose starter and reinstall if necessary. Clogging in the fuel line - You need to perform cleaning and washing. Filter element is dirty - Change the filter. Piston rings are broken - Need replacement of piston rings.

I bought the same model. Recently, steering wheel turns very badly. Explain to me what is problem?

Low Oil Rating. Fill the tank. Hydraulic connections are not sealed. Eliminate a fault. Steering pump is defective. Repair the pump. Power steering defective. Requires repair.

5720 tractor problem. Diesel motor hard starting. Please help me recognize prime cause of problem. What do I need to check?

Restriction in air filter/cleaner or induction system. Cold start system worked incorrectly. Damage or wear of piston rings. Valve Leakage/Adjustment Bad. Water in fuel. Crankcase oil too heavy. Use oil of proper viscosity.

JD 5720 engine breakdowns. Diesel hard to start sometimes. How could i solve a problem?

Restricted Fuel Lines. Air leakage to the fuel inlet. Exhaust pipe is clogged. Slow starter speed. Dirty or faulty injectors. Clogged fuel filter. Clean or replace fuel filter. Incorrect timing.

Steering does not operate on our tractor. What repairs should I do?

The air was formed in hydraulic system. We recommend you remove air. Small level of hydraulic oil in system. Pour completely. Problem with the hydraulic steering cylinder Change the seal.

I am working on the exact same tractor. Why engine does not start? How do i fix damage?

Valve timing is wrong - Make adjustment. Bad compression. Cylinder bores wear - Need overhaul. Leaks between valves and seats - Eliminate leak.

John Deere 5720 troubles. I hear the engine knocking. what could be the malfunction?

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

I have a problem why front axle to rattle chronically at the moment of motion?

Teeth of gears broke. You need to install new gears. ball bearings are very worn out. Fit new bearings.

I have this tractor about 4 years. Often engine start is difficult. How to eliminate?

Injector has dirt. You should to inspect a nozzle. High-pressure fuel pump has a malfunction. Install a new injection pump.

I have the exact same tractor. Answer my question why locking differential is damaged abruptly? How to solve the problem?

Diaphragm damaged or replace friction clutch discs. Requires repair.

I'm using John Deere 5720. Diesel engine doesn’t want to work. Tell me can I solve the problem myself?

We can assume fuel filter element has dirt. Otherwise high-pressure fuel pump adjustment is not correct.

Need help. Engine overheats regularly. What is the problem?

Low coolant level. Fill radiator to proper level, check radiator, coolant recovery tank, and hoses for loose connection or leaks. Radiator core or side screens dirty - Clean radiator as required. Motor overloaded - Reduce motor load. Fan belt is damaged. Change as required.

My dad uses 5720 tractor. Today he heard a crunch in the crankcase of the drive axle. What problem tell me?

All signs evidence of damaged bearings.

Tell me what happened if diesel engine emits white smoke?

When white gas visible from the exhaust pipe you necessary to change piston rings urgently.