ENGINES COVERED: Petrol engine, 80mm bore (TE-A20) Petrol engine, 85mm bore (TE-A20) Vaporising oil engine, 85mm bore (TE-D20) Lamp oil engine 85mm bore (TE-H20) Diesel engine (TE-F20)
Specifications - Engine - Cooling System - Fuel System - Governor - Electrical - Lighting - Clutch - Transmission - Axle - Hydraulics - Power Take Off - Steering - Brakes - Wheels and Tires - Body - Narrow and Industrial Variants - Special Tools - and much more.
About the Massey Ferguson TE20
The model name came from Tractor, England 20 horsepower . The TE range of Ferguson tractors was introduced in England in 1946,following 30 years of continuous development of 'The Ferguson System' from 1916. The first work was to design a plough and linkage to integrate the tractor with its work in a manner that was an engineering whole. The automatic control system is now employed by almost all tractor manufacturers worldwide. A British patent was applied for by Harry Ferguson in 1925 and granted the following year. By the early 1930s the linkage design was finalised and is now adopted as international standard category I. Just one prototype Ferguson System tractor, known as the Ferguson Black, was built to further technical development and for demonstrating to potential manufacturers. During 1936 the first production Ferguson tractors were built in Huddersfield, Yorkshire, by the David Brown Company.
### Headlight Replacement on a Massey Ferguson 1946 TE-20 Tractor
#### Tools Needed:
1. **Socket Wrench Set** - For removing the headlight assembly.
2. **Screwdriver Set** - Flathead and Phillips for various screws.
3. **Pliers** - For handling wiring connectors.
4. **Wire Strippers/Cutters** - If wiring needs to be modified.
5. **Replacement Headlight Bulb** - Ensure it's compatible (typically 6V).
6. **Electrical Tape** - For insulating any exposed wires.
7. **Clean Cloth** - For wiping surfaces.
#### Safety Precautions:
1. **Disconnect the Battery** - Always disconnect the negative terminal before starting work to avoid electrical shock or short circuits.
2. **Wear Safety Glasses** - Protect your eyes from debris when removing the headlight.
3. **Work in a Well-Ventilated Area** - If working indoors, ensure good ventilation due to potential fumes.
#### Step-by-Step Process:
1. **Disconnect the Battery:**
- Use a socket wrench to loosen the nut on the negative terminal and remove the cable. Secure it away from the battery.
2. **Remove the Headlight Assembly:**
- Locate the screws or bolts holding the headlight assembly in place. These are usually found at the back of the headlight housing.
- Use the appropriate socket or screwdriver to remove these fasteners. Keep them in a safe place for reinstallation.
3. **Disconnect the Wiring:**
- Gently pull the headlight assembly away from the bracket.
- Locate the wiring connector; it may have a locking tab. Use pliers to carefully squeeze and release the tab to disconnect the wiring.
4. **Remove the Old Bulb:**
- Depending on the design, twist or pull the bulb out of the headlight housing. If there are retaining clips, carefully remove them first.
- Inspect the socket for any corrosion or damage.
5. **Install the New Bulb:**
- Take your new headlight bulb, being careful not to touch the glass with your fingers (oil can reduce bulb lifespan). If you accidentally touch it, clean it with a cloth.
- Insert the new bulb into the headlight housing, securing it in place with clips if necessary.
6. **Reconnect the Wiring:**
- Connect the wiring harness to the new bulb. Ensure it clicks into place securely.
- Check that there are no exposed wires; use electrical tape to insulate if needed.
7. **Reinstall the Headlight Assembly:**
- Position the headlight assembly back into the bracket.
- Replace the screws or bolts removed earlier and tighten them securely without over-tightening, which could crack the housing.
8. **Reconnect the Battery:**
- Reattach the negative battery terminal and tighten the nut with a socket wrench.
9. **Test the Headlight:**
- Start the tractor and turn on the headlights to ensure they are functioning correctly.
#### Common Pitfalls to Avoid:
- **Touching the Bulb** - Always handle the new bulb by its base to avoid oil contamination.
- **Forgetting to Disconnect the Battery** - This can cause electrical shocks or damage to the electrical system.
- **Not Checking Compatibility** - Ensure the replacement bulb matches the original specifications (voltage and fitting type).
- **Loose Connections** - Make sure all wiring connections are secure to prevent flickering or failure.
### Replacement Parts:
- **Headlight Bulb** - Typically a 6V bulb for this model; confirm specifications.
- **Sealing Gasket** - Check the condition of the gasket around the headlight; replace if cracked or dry-rotted.
By following these steps and precautions, you can successfully replace the headlight on a Massey Ferguson 1946 TE-20 tractor. rteeqp73
The clutch master cylinder in a Massey Ferguson 1946 TE-20 tractor is responsible for transferring the force from the clutch pedal to the clutch mechanism. If the master cylinder is faulty, it can lead to a lack of hydraulic pressure, causing the clutch to not engage or disengage properly. Replacing the master cylinder restores this hydraulic function, allowing for proper control of the clutch.
### Theory of Replacement
1. **Diagnosis**: Identify signs of failure, such as a spongy clutch pedal, difficulty disengaging the clutch, or visible leaks around the master cylinder. A faulty master cylinder can lead to air entering the hydraulic system or loss of fluid, impairing clutch operation.
2. **Preparation**: Gather tools and replacement parts. This typically includes a new master cylinder, wrenches, screwdrivers, and possibly brake fluid or hydraulic fluid.
3. **Fluid Removal**: Before removing the master cylinder, it’s important to drain the hydraulic fluid to prevent spills and contamination. This step is critical as it ensures a clean environment and prevents air from entering the system during replacement.
4. **Disconnection**: Disconnect the hydraulic lines and any electrical connections (if applicable) to the master cylinder. This step is necessary to separate the faulty component from the hydraulic system without damaging other components.
5. **Removal**: Unbolt the master cylinder from its mounting location. This involves removing any securing bolts or brackets holding it in place. Proper removal ensures that the new component can be installed without obstruction.
6. **Installation of New Cylinder**: Position the new master cylinder and secure it with bolts. This restores the structural integrity of the hydraulic system.
7. **Reconnection**: Reattach the hydraulic lines and any electrical connections. This allows the hydraulic fluid to flow to the new master cylinder, enabling it to function correctly.
8. **Bleeding the System**: After installation, bleed the hydraulic system to remove any air. Air in the system can cause sponginess in the clutch pedal and ineffective clutch operation. Bleeding restores the hydraulic pressure needed for proper clutch function.
9. **Testing**: Finally, test the clutch operation by pressing the pedal and checking for proper engagement/disengagement of the clutch. This ensures that the new master cylinder is functioning correctly and that the hydraulic system is sealed and air-free.
### Conclusion
Replacing the clutch master cylinder restores the hydraulic pressure necessary for clutch operation, resolving issues related to clutch engagement. Understanding each step's purpose helps in diagnosing similar issues in the future and ensures that the repair is effective. rteeqp73
### Brake Line Replacement on a Massey Ferguson 1946 TE-20 Tractor
#### Tools Required:
- **Wrench Set**:
- **Description**: A set of wrenches (both metric and standard) needed to loosen and tighten nuts and bolts on the brake line.
- **Usage**: Choose the size that fits the brake line fittings. Use the wrench to turn counterclockwise to loosen and clockwise to tighten.
- **Socket Set**:
- **Description**: A socket wrench set may help in accessing tight areas.
- **Usage**: Attach the correct socket to the ratchet, place it over the nut, and turn it to remove the fitting.
- **Brake Line Bender**:
- **Description**: A tool used to bend brake lines to fit.
- **Usage**: Insert the brake line into the bender, and pull the handle to create bends without kinking the line.
- **Brake Line Cutter**:
- **Description**: A tool specifically designed to cut brake lines cleanly.
- **Usage**: Place the brake line in the cutter, tighten the knob, and rotate until the line is cut through.
- **Flare Tool Kit**:
- **Description**: Used to create flared ends on the brake lines for secure connections.
- **Usage**: Cut the brake line to length, then follow the instructions on the kit to create a flare at the end.
- **Pliers**:
- **Description**: Standard and needle-nose pliers for gripping and pulling.
- **Usage**: Use to manipulate small parts or hold fittings in place while tightening.
- **Brake Fluid**:
- **Description**: Essential for filling the brake system after replacement.
- **Usage**: Use the appropriate type (usually DOT 3 or 4) for your tractor's braking system.
#### Steps for Brake Line Replacement:
- **Safety First**:
- Ensure the tractor is turned off and parked on a flat surface. Engage the parking brake.
- **Remove Old Brake Line**:
- Use the wrench or socket to loosen the fittings on both ends of the brake line.
- Once loose, carefully unscrew the line from the fittings. Be prepared for brake fluid to leak out.
- **Inspect the Old Brake Line**:
- Check for rust, corrosion, or damage. If the line is damaged, replacement is necessary. A new brake line can be purchased from a tractor supply store or online.
- **Cut New Brake Line**:
- Measure the length of the old brake line and cut a new line to the same length using the brake line cutter.
- **Create Flare**:
- Use the flare tool to create a flared end on both sides of the new brake line. Follow the tool’s instructions carefully to ensure a proper fit.
- **Install New Brake Line**:
- Position the new brake line and screw it into the fittings. Tighten securely but avoid overtightening which can damage the fittings.
- **Fill Brake System**:
- After the new line is installed, refill the brake master cylinder with brake fluid.
- **Bleed the Brakes**:
- To remove air from the brake lines, bleed the brakes by loosening the bleed screw while someone pumps the brake pedal. Tighten the screw before releasing the pedal.
#### Replacement Parts:
- **Brake Line**:
- If the old line is rusted or damaged, you need to replace it with a new one. Brake lines are typically made of steel or copper and can be purchased pre-made or as a coil to cut to size.
- **Fittings**:
- Check the condition of the fittings. If they are corroded or stripped, replace them to ensure a proper seal.
#### Additional Tips:
- Always wear safety glasses when cutting or bending brake lines.
- Work in a well-ventilated area when handling brake fluid, as it can be corrosive.
- Keep a towel handy to clean up any spilled brake fluid immediately.
By following these steps carefully, you should be able to replace the brake line on your Massey Ferguson 1946 TE-20 tractor effectively. rteeqp73
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