Replacing The Fuel Lift Pump On Your Massey Tractor

Replacing the fuel lift pump on a Massey Ferguson tractor can be a complex process. Before starting, ensure the tractor is parked on a level surface, with the brakes locked, gear levers in a neutral position, and chocks placed under the wheels. The steps to replace the fuel pump include disconnecting the negative battery cable, draining the fuel tank, and removing the fuel pump mounting bolts. It is also important to clean the mounting surface of the fuel tank and properly install the new fuel pump, reconnecting all necessary wiring and cables. For certain models, additional steps may be required, such as removing the hydraulic lift cover and draining hydraulic oil.

How to Replace Fuel Lift Pump Massey:

Disconnect the negative battery cable

Disconnecting the negative battery cable is the first step in replacing the fuel lift pump on a Massey Ferguson tractor. This is a crucial safety precaution as it helps prevent any accidental electrical discharge during the repair process. Here is a detailed guide on how to do it:

Park your tractor on a level surface and engage the parking brake. This ensures the tractor remains stationary and secure throughout the process. Place the gear levers in the neutral position. Chock the wheels for added safety.

Locate the negative battery cable. It is usually black and connected to the negative terminal of the battery, which is often marked with a "-" symbol. The battery is typically located in the engine compartment.

Using the appropriate tools, loosen the nut or bolt securing the negative cable to the battery terminal. You may need a wrench or socket that fits the size of the nut/bolt. Do not allow the wrench or socket to come into contact with any other metal parts to avoid accidental arcing.

Once the nut/bolt is loosened, carefully remove the cable from the battery terminal. Ensure that the cable does not touch any metal surfaces or the positive terminal of the battery. If the cable is stuck, gently wiggle it free without applying excessive force.

After removing the cable, secure it away from the battery and any metal components. You can use a cable tie or tape to hold it in place, ensuring it does not accidentally make contact with the battery during the rest of the repair process.

It is important to note that modern vehicles may have multiple negative battery cables connected to various components. If this is the case, carefully disconnect each cable, following the same procedure as outlined above. Ensure all cables are secured away from the battery and metal surfaces.

By following these steps, you can safely disconnect the negative battery cable, allowing you to proceed with the next steps in replacing the fuel lift pump on your Massey Ferguson tractor. Remember to exercise caution and refer to a qualified mechanic if you have any doubts or concerns.

Drain the fuel tank

To drain the fuel tank of your Massey Ferguson tractor, follow these steps:

Firstly, safety is paramount. Park your tractor on a level surface, lock the brakes, place the gear levers in a neutral position, disconnect the battery, and place chocks under the wheels. It is important to prevent any accidental movement of the tractor during this process.

Now, to the task of draining the fuel tank. You have two options: siphoning or removing the fuel cap and unscrewing the drain plug. Siphoning is a safe method to transfer fuel from one container to another using a tube and gravity. If you choose this method, insert the tube into the fuel tank, place the other end into a suitable container, and allow the fuel to drain out. Ensure you are wearing appropriate personal protective equipment, including gloves and eye protection, when handling fuel.

If you opt to remove the fuel cap and drain plug, use the correct tools to unscrew the cap and plug. Again, have a suitable container ready to catch the drained fuel. Once the fuel is drained, clean the mounting surface of the fuel tank with a rag and a suitable cleaning agent, such as WD-40. This will ensure that any residue or contaminants are removed before installing the new fuel pump.

It is important to dispose of the drained fuel responsibly. Do not pour it down the drain or into the environment. Contact your local waste management authority or a specialist waste disposal company for advice on how to dispose of the fuel safely and in accordance with regulations.

Once the fuel tank is drained and cleaned, you can proceed to the next steps of replacing the fuel lift pump, as outlined in the original instructions.

Disconnect the electrical wiring harness

Disconnecting the electrical wiring harness is a crucial step when replacing the fuel lift pump on a Massey Ferguson tractor. This process requires careful attention to detail to ensure a safe and successful outcome. Here is a step-by-step guide to help you through the process:

Park the Tractor and Apply Safety Measures:

Before beginning any work on the tractor, it is essential to prioritise safety. Park the tractor on a level surface, engage the brakes, and place the gear levers in the neutral position. Disconnect the negative battery cable to prevent any accidental electrical activation during the procedure.

Locate the Electrical Wiring Harness:

The electrical wiring harness is connected to the fuel pump, which is typically secured to the fuel tank. The fuel pump supplies fuel to the engine, and the electrical wiring harness powers the pump.

Access the Fuel Pump:

To access the fuel pump, you may need to remove or adjust certain components, depending on your tractor model. This may include removing the hydraulic lift cover, draining the hydraulic oil, and disconnecting various bolts and pins. Refer to your tractor's manual or seek model-specific instructions for detailed steps.

Once you have clear access to the fuel pump, carefully disconnect the electrical wiring harness. This step requires caution as it involves electrical components. Loosen or remove any fasteners or connectors that secure the wiring harness to the fuel pump. Gently pull the wiring harness away from the fuel pump, ensuring that you do not damage any wires or connectors.

Prepare for Reinstallation:

After successfully disconnecting the electrical wiring harness, set it aside in a safe place. Keep the wires organised and untangled to facilitate easy reconnection during the reinstallation process. If necessary, make notes or take pictures of the wiring configuration for reference when reconnecting the new fuel pump.

By following these steps, you will be able to safely and effectively disconnect the electrical wiring harness from the fuel pump on your Massey Ferguson tractor. Remember to refer to your tractor's manual or seek model-specific instructions for any additional information or variations specific to your tractor model.

Remove mounting bolts

To remove the mounting bolts, start by disconnecting the negative battery cable. Siphon the fuel tank or remove the fuel cap and unscrew the drain plug to drain the tank. Disconnect the electrical wiring harness from the fuel pump. Now, you can remove the mounting bolts that secure the fuel pump to the fuel tank.

Use a rag and some WD-40 to clean the mounting surface of the fuel tank. This will ensure that the new fuel pump is installed on a clean surface. It is important to note that you should use mounting bolts of the same length as the old fuel pump when installing the new one.

If you are removing the hydraulic lift pump, there are additional steps to follow. First, drain the hydraulic oil by removing the sump plug located on the diff housing rear left-hand side. The gearbox and differential share oil, so you will need containers that can hold approximately 30 litres. Loosen and remove the two bolts securing the seat. Remove the toplink and the two split pins and clevis pins where the levelling box and left leveller connect to the lift cover arms. Fold the two levellers backward.

Remove the dipstick cover. For models fitted with an MK2 pump, place your hand through the dipstick cover opening and remove the roller from the control valve lever. Remove the two bolts securing the standpipe cover and dislocate the standpipe from the hydraulic pump. Remove the 13 perimeter bolts that secure the lift cover to the diff casing.

At this point, you will need a crane or chain block to lift the lift cover off the tractor. Use two lift cover bolts to secure a chain at the rear seat bolt hole and the front standpipe cover bolt hole. Lift the cover off vertically and remove it from the work area.

Now, you can remove the cotter pin from the shear sleeve and slide it backward. Remove the shear sleeve and its shaft together. The two dowel pins that hold the pump horizontally through the sides of the diff casing must also be removed. Remove the bolts from the PTO shaft retaining plate and slide the shaft out backward. Finally, the pump can be removed by sliding it backward off the gearbox PTO shaft. Tilt it vertically and remove it from the tractor.

Clean the mounting surface

To clean the mounting surface of your Massey Ferguson tractor's fuel tank, you will first need to disconnect the negative battery cable and secure your tractor. This can be done by parking your tractor on a level surface, locking the brakes, placing the gear levers in a neutral position, and placing chocks under the wheels.

Once you have secured your tractor, you can begin to remove the fuel pump. This process will differ depending on the model of your tractor. For example, if you have a 35 Petrol, 35X, FE35, 65, 165, 175, 178, 185, or 188 MK1 & MK2 pump, you will need to remove the hydraulic lift cover. This can be done by following these steps:

• Drain the hydraulic oil by removing the sump plug located on the diff housing's rear left-hand side. The gearbox and diff share oil, so you will need containers that can hold 30 litres.
• Loosen and remove the two bolts securing the seat.
• Remove the toplink.
• Remove the two split pins and clevis pins where the levelling box and left leveller connect to the lift cover arms.
• Fold the two levellers backward.
• Remove the dipstick cover.
• For models fitted with a MK2 pump, place your hand through the dipstick cover opening and remove the roller from the control valve lever.

After you have removed the necessary parts to access the fuel pump, you can begin to clean the mounting surface. Use a rag and WD-40 to clean the mounting surface of the fuel tank. Ensure that the surface is free of any dirt, debris, or residue before installing the new fuel pump.

It is important to note that you should also clean other parts of your tractor's fuel system, such as the fuel tap, injector pump inlet filter, and fuel filters, to ensure that your tractor runs efficiently.

Frequently asked questions