Specifications, Service and Repair of Farm and Lawn Tractors

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JD 6930 Problem - Troubleshooting assistance

Some days ago I found out trouble on my John Deere 6930 Premium. Diesel engine will not crank. Tell me please what is the issue?

Fuel grade is incorrect. Fuel pump not working. Check and repair. Incorrect fuel pump timing. Adjust as required.

Please tell me why steering wheel turns very easy? How do I act to get rid of problem?

Low Oil Rating - Pour full. This is a steering cylinder malfunction - Repair it. The steering pump is defective - Replace pump.

I got a JD 6930 Premium in november. Currently there is issue. Diesel engine not starting. Can anybody help me determine the source of issue?

Starter rotates slowly - Diagnose starter and reinstall if necessary. Restriction in a fuel pipe - Clean and flush. Dirty fuel filter element - Install new filter. Piston rings worn out - Must be repaired.

I bought the same tractor. Recently I noticed steering wheel operate bad. Explain to me what's malfunction?

Low oil index. It is required to top up the oil. Oil flows out of the system. Eliminate a damage. Power steering pump defect. Repair the pump. Power steering is damaged. Install the new power steering.

6930 tractor problem. Diesel starts hard. Please help me determine prime cause of malfunction. What can I do?

Restriction in air filter/cleaner or induction system. Cold start system worked incorrectly. Broken or Worn Piston Rings. Valve Leakage/Adjustment Bad. Water mixed in the fuel. Crankcase oil too heavy. Use oil of proper viscosity.

JD 6930 diesel damages. Diesel is difficult to start regularly. How do i solve a problem?

Restricted Fuel Lines. Air Leaks in Suction Lines. Restriction in exhaust pipe. Low voltage - Charge battery. Diesel injection nozzles faulty or sticking. Clogged fuel filter. Clean or replace fuel filter. Incorrect timing.

There was a malfunction of steering on our tractor. What's a breakdown?

The air was formed in hydraulic system. You should release air from system. The minimum oil indicator in system. It is required to add oil. Problem with the hydraulic steering cylinder Change the seal.

I have the exact same tractor. Why diesel motor does not start? How do i resolve an issue?

Valve timing is improper - Make adjustment. Bad compression. Cylinder bores wear - Repair it. Leaks between seats and valves - Eliminate leak.

John Deere 6930 breakdowns. The engine knocks. what kind of damage?

This is a small residue of engine oil. Fill with oil. This is the low temperature of the coolant.

I have a problem why driving front axle to rattle regularly while driving?

Teeth of gears broke. It is recommended to replace the gear. Bearings crumbled. Swap the replacement.

I own this tractor three years. Sometimes diesel start is difficult. What you need to fix?

Injection nozzle has clog. It is required to check a nozzle. Injection pump has a malfunction. Replace high-pressure fuel pump.

I have the same model. Tell me what's problem if differential lock is damaged immediately? How can I fix it? What should I do?

The diaphragm torn or wear of discs friction clutch. You have to make repairs.

We have a John Deere 6930 Premium. Diesel engine does not start. I need to know can i fix the problem?

Probably fuel filter element has dirt. Otherwise high-pressure fuel pump adjustment is not correct.

Please help me. Engine overheats regularly. How can I fix it?

Little coolant in the cooling system. You need to fill the system. Clogged radiator - Clean the core. Diesel Overload - Reduce diesel load. Fan belt is damaged. Change as required.

My brother has 6930 tractor. Three days ago he got a crash in the rear axle. Which part is damaged?

These signs talk about defect in the axle reducer.

Please explain me why diesel engine excessive white smoke at idle?

When white gas appeared from the exhaust pipe you need to replace piston rings immediately.

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