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Part of the New Holland Repair Manuals.
This is the full factory service manual for the New Holland TF42, TF44, TF46, TX30, TX32, TX34 and TX36 combine harvesters, the same repair information a dealer technician works from. It covers the whole machine: the engine, the mechanical and hydrostatic traction gearbox, the hydrostatic ground drive, the grain and maize headers and straw elevator, the threshing cylinder and concave, the separation walkers, the cleaning shoe and fan, the grain tank and unloading, the straw chopper and chaff spreader, the working hydraulics, and a full electrical section with the wiring diagrams. Every section carries the specifications, functional adjustments, fault finding and step-by-step overhaul procedures, so you can chase a drive, header or threshing problem and put it right instead of guessing.
What's Inside This New Holland TF42, TF44, TF46, TX30, TX32, TX34, TX36 Repair Manual
| System | Pages | Key Topics |
|---|---|---|
| Introduction and Specifications | General Instructions, Safety, Machine Specifications and Capacities, Standard Torques, Special Tools, Model Coverage Tf and Tx Series | |
| Engine | Diesel Engine Description and Specifications, Cylinder Head and Block, Cooling and Lubrication, Fuel Injection, Troubleshooting, Overhaul | |
| Traction and Gearbox | Mechanical and Hydrostatic Multi-Use Traction Gearbox, Forward and 1 Reverse Speeds, Differential, Final Drives, Oil Capacity and Torques, Overhaul | |
| Hydrostatic Drive System | Hydrostatic Pump and Motor, Charge Circuit, Ground Drive Control, Pressure Testing, Tracking, Fault Diagnosis, Overhaul | |
| Header and Straw Elevator | Grain Header, Cutterbar, Reel and Auger, Straw Elevator and Feeder, Drive Chains and Belts, Adjustment, Fault Diagnosis, Overhaul | |
| Maize Header | Maize (Corn) Header, Snapping Rolls and Gathering Chains, Deck Plates, Drive, Adjustment, Fault Diagnosis, Overhaul | |
| Threshing | Threshing Cylinder and Concave, Cylinder Speed and Concave Clearance, Drive, Wear Parts, Functional Adjustment, Overhaul | |
| Separation | Straw Walkers and Separation Grates, Separation Drive, Grain Loss Checks, Functional Adjustment, Overhaul | |
| Cleaning | Cleaning Shoe, Sieves and Chaffer, Fan and Airflow, Returns, Grain and Tailings, Functional Adjustment, Overhaul | |
| Grain Storage and Unloading | Grain Tank, Filling and Unloading Augers, Unloading Tube Drive, Grain Tank Capacity, Fault Diagnosis, Overhaul | |
| Straw Chopper and Chaff Spreader | Straw Chopper Clutch, Chopper Knives, Chaff Spreader Gear and Spread Pattern, Drive, Adjustment, Overhaul | |
| Hydraulic System | Working Hydraulics, Header Lift and Reel, Steering Circuit, Pump and Valves, Pressure Testing, Fault Diagnosis, Overhaul | |
| Electrical System | Basic Electricity, Wiring Diagrams, Starting and Charging Systems, Battery, Monitors and Sensors, Lighting, Fault Diagnosis | |
| Air Conditioning and Cab | Operator Cab, Air Conditioning and Heating, Controls and Instruments, Description and Operation, Fault Diagnosis, Service |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| All models | ||
| Traction Gearbox Type | multi-use gearbox, 4 forward / 1 reverse | |
| Traction Gearbox Oil Capacity | 15 liters | |
| Traction Gearbox Oil Type | SAE 80W-90 (API GL5) | |
| Transmission Main Shaft Nut B Torque | 15 daNm | |
| TF42/TF44/TF46, TX30/TX32/TX34/TX36 | ||
| Series | TF conventional / TX conventional combine | |
New Holland TF42, TF44, TF46, TX30, TX32, TX34, TX36 Common Problems This Manual Covers
Hydrostatic ground drive loses power or stalls under load.
Usually a worn hydrostatic pump or motor or low charge pressure. The Hydrostatic Drive section covers the charge and system pressure tests and the pump and motor overhaul to restore full ground drive.
Manual Section: Hydrostatic Drive SystemHeader or reel drive chain slips or breaks.
Worn chains, sprockets or a mis-set tensioner are the usual causes. The Header and Straw Elevator section covers the drive chain tension, the sprocket and tensioner inspection and replacement to stop the slipping or breakage.
Manual Section: Header and Straw ElevatorEngine overheats with no coolant loss.
On a combine this is usually a chaff-clogged radiator or rotary screen, or a tired water pump. The Engine section covers the cooling system checks, the screen and radiator cleaning and the water pump service to bring temperatures down.
Manual Section: EnginePoor grain sample or high grain loss over the cleaning shoe.
The Cleaning and Separation sections cover the sieve and chaffer settings, the fan airflow and the walker adjustments, with the functional adjustments and grain-loss checks to get a clean sample and cut losses.
Manual Section: CleaningFrequently Asked Questions
The hydrostatic ground drive is losing power or the combine will not move - where do I start?
The Hydrostatic Drive section covers the pump and motor, the charge circuit and the pressure tests so you can find a worn hydrostatic unit or a low charge pressure behind the loss of drive, plus the tracking and control adjustment.
A header or reel drive chain keeps slipping or breaking - what does the manual cover?
The Header and Straw Elevator section covers the drive chains and belts, the tensioners and sprockets and the reel and auger drive, with the adjustment and replacement to stop the chain slipping or breaking under load.
Does the manual cover the threshing, separation and cleaning adjustments?
Yes. There are dedicated Threshing, Separation and Cleaning sections with the cylinder speed and concave clearance, the walker and sieve settings and the fan airflow, plus the functional adjustments to cut grain loss and get a clean sample.
Does this manual include the wiring diagrams for the TF and TX combines?
Yes. The Electrical System section carries the basic electricity, the wiring diagrams, the starting and charging systems, the monitors and sensors, so you can trace an electrical fault on any TF or TX model.
Which models does this manual cover?
It covers the TF42, TF44 and TF46 and the TX30, TX32, TX34 and TX36 conventional combines, with the engine, traction, header, threshing, separation, cleaning, grain handling, hydraulics and electrical systems.
How will I receive this New Holland TF42, TF44, TF46, TX30, TX32, TX34, TX36?
This is a 1050-page searchable PDF (133 MB) ready for immediate download. Works on any device, so pull it up on your phone while you're under the hood. No shipping, no waiting.
Is this New Holland TF42, TF44, TF46, TX30, TX32, TX34, TX36 manual printable?
Yes, print as many copies as you want, and there are no restrictions. Many mechanics print the section they need and bring it to the shop floor.
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