Specifications, Service and Repair of Farm and Lawn Tractors

________________________________________________________________________________

New Holland T4.75 - Operation and servicing

The other day I got trouble on my New Holland T4.75. Diesel engine does not turn over. Explain me what kind of trouble?

You must use the recommended fuel grade. Fuel pump not working. Check and overhaul. Incorrect fuel pump timing. Adjustment required.

NH T4.75 troubles. Engine low on power. How should I correct the situation?

Dirty/clogged muffler. Clean/replace muffler. Fuel supply pump, engine control common rail relief valve faulty. Excessive engine load.

Tell me what is defect if diesel engine runs unevenly?

Seized engine due to lack of oil, the wrong oil or lack of coolant.

New Holland T4.75 tractor failure. Transmission shifts hard. What's the reason?

Shift fork, shafts lever, or detents worn loose - Tighten or replace.

Somebody help me why steering wheel rotates without resistance? How do I act to troubleshoot?

Low Oil Rating - Pour full. This is a steering cylinder malfunction - Change the seal. The steering pump is defective - Replace pump.

I acquired a NH T4.75 in march. Presently there is failure. Engine won't start. Can anyone help me diagnose a source of problem?

Starter speed is slow - Change or restore. Fuel pipes are contaminated - Flush and clean the fuel pipe. Filter element is dirty - Replace fuel filter. Piston ring failure - Need replacement of piston rings.

I have the same model. Yesterday I saw steering wheel works hard. Can anybody tell me what are possible malfunctions?

Minimum Oil Rating. Steering pump malfunction. Steering pump broken. Repair tie-rod. hydraulic connection leaking. It is necessary to fix a fault. Steering pump is worn out. Check the steering pump. Hydraulic power steering is defective. Diagnose the power steering.

T4.75 model question. Motor starts hard. Need help to specify the reason of damage. What do I need to check?

Air or water in the fuel system. Battery is discharged. Recharge or replace battery. Incorrect functions of the cold start system. Defect or failure of piston rings. Injection pump drive shaft is defective. Water in fuel. Fuel too heavy at low temperature.

NH T4.75 diesel engine troubles. Diesel motor starts hard sometimes. How can i fix damage?

Clogging in fuel tank vent. Air in fuel system. Restriction in exhaust pipe. Slow starter speed. Dirty or faulty injectors. Filter clogged. Long Idle periods.

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

Hydraulic system has a large amount of air. You need draw out air. Oil small indicator in system. Fill the tank. Steering cylinder has a defect Check and repair.

I have the exact same model. Why motor failure to start? How could i resolve the question?

Valve timing is wrong - Make adjustment. Low compression. Wear cylinder bores - Repair it. Leaks between seats and valves - Eliminate leakage.

T4.75 tractor issue. This is the engine knock. what could be the damage?

Lack of oil. You should pour this. Engine oil level low. Incorrect fuel - Fill with right fuel.

I can't find the reason why front axle produces a rumble constantly while driving?

Defective gear. You need to install new gears. Roller bearings are firmly erased. Fit new bearings.

I'm the owner this tractor some years. Sometimes engine start is very hard. How to get rid of this?

Nozzle has clog. You should to inspect a nozzle. High-pressure fuel pump has a malfunction. Install a new fuel pump.

I get the exact same tractor. Explain to me what's problem if differential lock broke down immediately? What's solution to the problem?

Diaphragm damaged or discs friction clutch worn out. Change worn components.

We have New Holland T4.75. Diesel engine will not start. Help me How can I eliminate a breakdown?

Probably Dirt in the fuel system. Otherwise the fuel pump adjustment is not correct.

Need help. Motor constantly overheats. How to repair it?

Low coolant level - Fill coolant and check cooling system for loose connections or leak. Defective thermostat - Replace. Dirty, plugged, or damaged shrouding or engine fins. Insufficient engine oil - Inspect oil level and replenish if necessary. Motor overloaded - Reduce motor load. Loose or defective fan belt - Replace fan belt as required. Check belt tensioner.

My brother has T4.75 tractor. Three days ago he diagnosed a loud knocking in the crankcase of the drive axle. Which part is damaged?

These sounds denote damaged bearings.

Help with the question what is defect if diesel engine exhaust white gas?

When white gas visible from the exhaust pipe you must to change piston rings immediately. Injector pump or injectors delivering fuel unevenly. Check and service injectors and injector pump – specialist operation.

________________________________________________________________________________

 

________________________________________________________________________________

________________________________________________________________________________________

________________________________________________________________________________________

________________________________________________________________________________________

________________________________________________________________________________________

________________________________________________________________________________________

________________________________________________________________________________________

________________________________________________________________________________________

________________________________________________________________________________________

________________________________________________________________________________________

________________________________________________________________________________________