Specifications, Service, and Repair of Farm and Lawn Tractors

________________________________________________________________________________

New Holland TN75 - Service and repairs

Lately I recognized a breakdown on my New Holland TN75. Diesel can not crank. Tell me please what is the probable problem?

Wrong type or grade of fuel used. The injection pump is broken. Inspect and refit. Wrong fuel pump timing. Adjust if necessary.

NH TN75D failures. Low engine power. How should I get rid of problem?

Clogged air cleaner - Clean the element. Filtering element of fuel fine filter is clogged. Replace filtering element.

Please explain me what is damage if engine misses?

Insufficient fuel supply - Top up fuel and air-bleed fuel system. Wrong valve clearance.

TN75 model issue. Transmission shifts hard in reverse. What could it be?

Front bearing retainer loose or cracked - Tighten or replace retainer.

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

The minimum oil level - It is required to add oil. Steering cylinder has damage - Make a replacement. The steering pump is defective - Install a new pump.

I got a New Holland TN75 in september. Presently there is malfunction. Diesel engine won't start. Could anyone help me identify the cause of malfunction?

Starter speed is slow - Diagnose starter and reinstall if necessary. Fuel line is clogged up - You need to perform cleaning and washing. The fuel filter element is dirty - Renstall filter element. Piston ring failure - Need replacement of piston rings.

I have the same model. Recently, steering wheel turns tight. Somebody tell me what's issue?

Low Oil Rating. Fill the tank. Breakage of hydraulic hoses. Eliminate a defect. Pump of power steering is broke. Check the steering pump. Hydraulic power steering is defective. Replace it.

TN75D tractor failure. Diesel hard to start. Help me please find main cause of damage. What can I do?

Low compression. Oil pump worn or passages obstructed. Incorrect functions of the cold start system. Piston rings are wear or deformed. Cracked injector Body or Cup. Water mixed in the fuel. Crankcase oil too heavy. Use oil of proper viscosity.

NH TN75 motor damages. Diesel engine hard starting permanently. How do i resolve an issue?

Restriction in fuel tank vent. Air leaks on intake hoses. Exhaust pipe is clogged. Slow starter speed. Injection fuel is little or the spray is not excellent. Clogged fuel filter. Clean or replace fuel filter. Fuel shut-off valve closed. Open fuel shut-off valve.

Steering does not operate on our tractor. What is problem?

The air is in hydraulic system. We recommend you draw out air. Minimum hydraulic oil level in system. Fill the tank. Problem with the hydraulic steering cylinder Check and repair.

I have the same tractor. Why motor failure to start? How do i resolve the question?

Improper valve timing - Make adjustment. High or Low compression. Cylinder bores wear - Repair it. Leaks between valves and seats - Need Removal of leakage.

TN75 tractor damages. Diesel knocks. what is the probable failure?

Oil of small quantity. You should pour this. Too much bearing play. Injection volume incorrectly set - Adjust settings.

I can not understand why front axle to howls constantly when driving?

Defective gear. You need to install new gears. ball bearings have damage. Swap the replacement.

I own this model some years. Regularly diesel start is difficult. What you need to fix?

Injection nozzle is clogged. Need to check a nozzle. Injection pump has a breakdown. Do overhaul of injection pump.

I bought the same model. Explain to me what's problem if differential lock assembly broke down abruptly? What's solution to the problem?

Diaphragm worn out or disks of the friction clutch are worn out. Change worn components.

I have NH TN75. Engine doesn’t want to work. Tell me what is the fault?

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

I have the problem. Diesel constantly overheats. How can I repair it?

Lack of coolant - Refill with coolant. Radiator core or side screens dirty - Clean radiator as required. Motor overloaded - Reduce motor load. Loose or defective fan belt - Replace fan belt as required. Check belt tensioner.

My friend has New Holland TN75D. Two days ago he got a strange noise in the rear axle housing. Which part is damaged?

All symptoms evidence of bearing problems.

Can someone say me why diesel exhaust with white smoke?

When white smoke appeared from the exhaust pipe you necessary to carry out replacement of piston rings urgently. Deficient compression - Adjust top clearance.

________________________________________________________________________________

 

________________________________________________________________________________

________________________________________________________________________________________

________________________________________________________________________________________

________________________________________________________________________________________

________________________________________________________________________________________

________________________________________________________________________________________

________________________________________________________________________________________

________________________________________________________________________________________

________________________________________________________________________________________