how to replace ribbon hydraulic hoses on boom truck


How to Replace Ribbon Hydraulic Hoses on a Boom Truck


A boom truck is a versatile piece of machinery commonly used in construction and utilities industries. It is equipped with a hydraulic system to control its boom and lift heavy loads. Over time, the hydraulic hoses on a boom truck may wear out or become damaged, requiring replacement. In this article, we will guide you through the process of replacing ribbon hydraulic hoses on a boom truck.

Understanding Ribbon Hydraulic Hoses:

Ribbon hydraulic hoses are specifically designed to withstand high pressure and provide flexibility for smooth operation. They consist of multiple layers, including an inner tube, reinforcement layers, and an outer cover. These hoses are essential for the proper functioning of the boom truck's hydraulic system. When a hose deteriorates or develops leaks, it is crucial to replace it promptly to ensure the safety and efficiency of the machinery.

Subsection 1: Tools and Safety Precautions

Before starting the replacement process, gather the necessary tools and equipment. Ensure you have the following:

1. Personal Protective Equipment (PPE):

- Safety glasses

- Gloves

- Protective clothing

- Steel-toed boots

2. Tools:

- Adjustable wrenches

- Screwdrivers

- Hydraulic hose crimper

- Hydraulic thread sealant

- Hose cutting machine or sharp utility knife

Subsection 2: Identifying and Removing Old Hoses

To replace the ribbon hydraulic hoses effectively, follow these steps:

1. Identify the hoses for replacement:

- Inspect the boom truck's hydraulic system and look for deteriorated hoses or leaks.

- Trace the hose route and determine the hose length and diameter required for replacement.

2. Prepare the boom truck:

- Turn off the engine and engage the parking brake.

- Ensure the boom is securely in a lowered or retracted position.

- Relieve pressure in the hydraulic system by moving the hydraulic controls through their full range.

3. Remove the old hose:

- Using an adjustable wrench, carefully loosen the fittings at both ends of the hose.

- If necessary, use a hydraulic hose crimper to separate the hose from the fittings.

- Ensure you catch any spilled hydraulic fluid in a suitable container.

Subsection 3: Installing New Hoses

With the old hose removed, it's time to install a new ribbon hydraulic hose:

1. Measure and cut the new hose:

- Use the old hose as a reference to ensure the correct length.

- Cut the new hose using a hose cutting machine or a sharp utility knife.

- Ensure a clean, perpendicular cut on both ends to ensure a proper seal.

2. Attach fittings and crimp the hose:

- Carefully slide the fittings onto each end of the new hose.

- Apply hydraulic thread sealant to the threads of the fittings.

- Use a hydraulic hose crimper to crimp the fittings onto the hose, following the manufacturer's guidelines.

3. Install the new hose:

- Attach one end of the hose to the corresponding hydraulic component, followed by the other end to the boom truck's hydraulic manifold.

- Secure the fittings using adjustable wrenches, ensuring proper tightening without over-torquing.

Subsection 4: Testing and Maintenance

After replacing the ribbon hydraulic hoses, it's essential to perform a thorough test to ensure everything is functioning correctly:

1. Inspect the connections:

- Visually check all connections for leaks, cracks, or loose fittings.

- Tighten any loose fittings and address any abnormalities promptly.

2. Test the hydraulic system:

- Start the boom truck's engine and operate the hydraulic controls to verify smooth operation.

- Verify that the hoses remain leak-free under pressure.

- Confirm that the boom truck responds appropriately to control inputs.

3. Regular maintenance:

- Incorporate regular inspections of the ribbon hydraulic hoses into your maintenance schedule.

- Check for signs of wear, leaks, or damage regularly.

- Replace hoses as needed to prevent potential failures or accidents.


Replacing ribbon hydraulic hoses on a boom truck is a crucial maintenance task to ensure the safe and efficient operation of the machine. By following the steps outlined in this article, and prioritizing safety measures and proper installation techniques, you'll be able to replace the hoses effectively. Remember to perform regular inspections and address any issues promptly to maximize the longevity and reliability of your boom truck's hydraulic system.


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