The Importance of Changing Hydraulic Filters: A Critical Maintenance Step for New Hydrovac and Sewer Cleaner Equipment

 

Proper maintenance is vital to ensuring the longevity and optimal performance of any piece of heavy machinery, especially in industries like hydrovac services and sewer cleaning. Among the many maintenance tasks, one of the most critical is changing the hydraulic filter, particularly after the first 50 hours of operation for brand-new equipment. Hydraulic systems are central to these machines’ operations, and keeping them clean and free from contaminants is essential to their performance and lifespan. In this article, we will explore why the first hydraulic filter change is so important, and why timely maintenance can make the difference between smooth operations and costly breakdowns.

The initial 50 hours of operation for any new hydraulic system are especially important. When a machine is first put into service, components are still settling, and a break-in process is underway. During this period, small metal parts inside the hydraulic system, such as pistons and gears, naturally shed tiny metal fragments and debris due to friction. These small particles, often in the form of fine metal shards, are produced as the machinery’s internal parts wear in. These contaminants are then released into the hydraulic fluid, where they can cause significant damage if not removed promptly.

Even though these materials are microscopic, they pose several risks. The fine metal shards can erode the internal surfaces of critical components like the hydraulic pump, valves, and actuators, which are precision-engineered to function at high pressure. When these surfaces are damaged, they become more prone to leaks, inefficiencies, and even catastrophic failure. The smallest particles can also cause blockages in narrow fluid passageways or the filter itself, reducing the hydraulic system’s overall performance and potentially causing overheating. Additionally, the presence of contaminants can increase the abrasiveness of the oil, which accelerates wear on internal components.

By changing the hydraulic filter after the first 50 hours of operation, you effectively remove these contaminants from the fluid before they have the chance to do long-term damage. The filter traps these particles, helping to keep the hydraulic fluid clean, maintaining smooth operations, and extending the overall lifespan of the machine. This initial filter change acts as a preventive measure, protecting the machine from the damaging effects of the particles created during the break-in phase.

Hydraulic filters are essential in ensuring the hydraulic system remains in optimal condition. These filters are designed to capture contaminants such as metal particles, dirt, moisture, and other debris present in the fluid. Without proper filtration, these contaminants can interfere with the hydraulic system in various ways. For example, they can clog the filter, reducing the flow of hydraulic fluid, and cause performance issues such as decreased efficiency, overheating, and erratic functioning of the system. In severe cases, contaminants can lead to complete system failure.

A hydraulic system operates under high pressure, and even the smallest contaminant can obstruct the flow of fluid, disrupting the functioning of pumps and valves. The filter acts as a safeguard, preventing harmful particles from circulating through the system and preventing them from damaging the internal components. In the case of new equipment, it is even more crucial for the filter to capture the metal debris generated during the first few hours of operation.

Changing the hydraulic filter early in the machine’s life ensures that the fluid stays clean and that the system remains efficient. It also sets the foundation for future maintenance by creating a clean slate for the hydraulic fluid, ensuring better performance over time.

During the first 50 hours of operation, the hydraulic system is experiencing its “break-in” phase. During this time, the parts are adjusting and seating properly, which results in the creation of small metal debris. If the hydraulic filter is not changed during this initial period, these contaminants will remain in the fluid and circulate throughout the system, causing premature wear and damage to the internal components.

The first hydraulic filter change after the initial 50 hours is critical because it removes the particles that have accumulated during the break-in phase. By performing this change, operators can prevent these particles from causing long-term damage, ensuring that the equipment functions smoothly and efficiently.

While it is understood that hydraulic filters need to be replaced regularly, the first change after the initial 50 hours is particularly important. It allows you to remove the contaminants created during the early stages of operation, giving the hydraulic fluid a fresh start. Without this intervention, contaminants could continue to circulate, slowly degrading the system’s performance, potentially leading to costly repairs or equipment failure.

After the first 50-hour filter change, maintenance intervals can typically be extended. The recommended interval for changing hydraulic filters is usually between 225 and 250 hours of operation, depending on the manufacturer’s specifications and the operating conditions. While the first 50 hours are critical due to the break-in period, regular filter changes after this phase are still necessary to keep the system running smoothly.

The timing of subsequent filter changes depends on several factors, such as the type of hydraulic fluid used, the operational environment, and the overall workload placed on the system. For example, equipment used in dusty or harsh conditions or exposed to high temperatures may require more frequent filter changes to ensure the hydraulic fluid remains clean and efficient.

Operators should inspect the filter regularly to monitor its condition. If the filter shows signs of excessive contamination or clogging before the scheduled interval, it may need to be replaced sooner. Failing to change the hydraulic filter on time can lead to decreased system efficiency, increased wear on parts, and an elevated risk of system failure.

Changing the hydraulic filter at regular intervals offers a variety of benefits. First and foremost, it protects the hydraulic system from contaminants that could otherwise compromise its performance. Regular filter changes also extend the life of the hydraulic fluid, allowing it to remain cleaner for longer, which reduces the need for frequent fluid replacements. This not only saves money but also helps reduce downtime, keeping the equipment in operation.

Furthermore, replacing the hydraulic filter regularly helps avoid costly repairs. It is far more economical to change a hydraulic filter than to replace or repair critical components such as pumps, valves, and actuators that have been damaged due to contamination. Regular maintenance enhances the overall reliability of the equipment, reducing the chances of unexpected breakdowns and minimizing downtime.

Finally, well-maintained hydraulic systems operate more efficiently, reducing fuel consumption and lowering operating costs. Equipment with clean, filtered hydraulic fluid performs better, ultimately improving productivity and the machine’s overall lifespan.

Changing hydraulic filters at the appropriate intervals is one of the simplest yet most effective ways to ensure that Hydrovac and sewer cleaning equipment performs at its best. The first filter change after 50 hours of operation is particularly critical, as it removes contaminants generated during the break-in period, ensuring the hydraulic fluid remains clean and the system operates efficiently. Regular filter changes at intervals of 225 to 250 hours thereafter are essential to maintaining a clean hydraulic system, improving system performance, and avoiding costly repairs.

By staying on top of hydraulic filter maintenance, operators can significantly improve the longevity, safety, and reliability of their equipment. Proper maintenance ensures that the hydraulic system continues to function at its best, even in demanding environments, and helps prevent premature wear and failure. Investing in regular hydraulic filter changes is an investment in the future performance and dependability of your equipment.

“Invest in maintenance today to keep your profits in your pocket tomorrow” – Terry Rawn.

Terry Rawn

Hydrovac Nation / Dig Pig Products In