Aircraft Hydraulic Fluid Testing - Kits and Monitors
PJi offers hydraulic fluid test kits, laser contamination monitors, and in-line sensor kits for the most popular aircraft hydraulic fluid types, including:
- Skydrol 500B-4
- Skydrol LD-4
- Skydrol 5
- Royco 756 (MIL-PRF-5606)
- Royco 782 (MIL-PRF-83282)
- Brayco Micronic 881 (MIL-PRF-87257)
- HyJet (IV & V)
Aircraft hydraulic fluid testing kits are designed to test the condition of hydraulic fluid used in aircraft in order to help identify potential problems in the aircraft’s hydraulic systems.
Our friendly and knowledgeable aviation specialists can help you find the right hydraulic fluid test equipment for your aircraft. Call or chat with us today!
What are some common issues that can be identified through hydraulic fluid testing?
Hydraulic fluid testing can identify a variety of common issues with aircraft hydraulic systems, including:
- Contamination: Aviation hydraulic fluid can become contaminated with dirt, debris, and other materials that can cause wear and damage to system components. Testing can detect the presence and type of contaminants in the fluid.
- Degradation: Hydraulic fluid can break down over time due to exposure to high temperatures, moisture, and other factors. Testing can identify the level of degradation in the fluid, which can help determine if it needs to be replaced.
- Acidity: Over time, hydraulic fluid can become acidic, which can cause corrosion and damage to system components. Hydraulic fluid testing can measure the acidity level of the fluid and determine whether it is within acceptable limits.
- Viscosity: The viscosity, or thickness, of hydraulic fluid, can affect its ability to perform properly. Testing can measure the viscosity of the fluid and determine whether it is within the recommended range.
Identifying these and other possible issues through hydraulic fluid testing can help prevent unscheduled downtime, reduce maintenance costs, and improve the safety and reliability of the aircraft’s hydraulic system.
How often should hydraulic fluid be tested in aircraft?
The frequency of hydraulic fluid testing can vary depending on several factors, such as the type of aircraft, operating conditions, and the manufacturer’s recommendations. Generally speaking, aircraft hydraulic fluid should be tested periodically to ensure that it is performing properly and to identify potential problems before they become major issues.
While the testing frequency for a specific aircraft will often be outlined in the maintenance manual or other documentation provided by the manufacturer, some general guidelines suggest testing hydraulic fluid every 100 flight hours or every 6 months, whichever comes first.
If the aircraft is operated under severe conditions such as high temperatures, high humidity, or dusty environments – or if any issues are identified during testing – more frequent testing may be necessary in order to monitor the condition of the aircraft’s hydraulic systems.
