What is the Eaton Carter 64200 Pressure Fueling Nozzle? 
The 64200 is a 2 1⁄2-inch pressure fueling nozzle designed for underwing refueling of both commercial and military aircraft. It connects to 3-lug international standard aircraft adapters and is engineered to enhance durability while reducing maintenance costs.
What are the key features of the 64200 nozzle? 
- Self-adjusting pressure-loaded nose seal: Ensures leak-free operation under extreme side loads, worn adapters, and varying temperatures.
- Internal interlock mechanism: Eliminates external pins, reducing wear on aircraft adapter slots.
- No external moving parts (except the operating lever): Minimizes the need for replacing worn components.
- Rugged composite handles: Constructed from durable materials to prevent bending and enhance operator comfort.
- Compatibility with existing accessories: Utilizes the same accessories as the earlier Model 64348 nozzle, ensuring seamless integration.
What are the operating specifications of the 64200 nozzle? 
- Operating pressure range: Up to 200 psi (13.8 bar).
- Rated flow: Up to 600 gallons per minute (2271 liters per minute).
- Pressure drop: Approximately 3 psi (0.21 bar) at 600 gpm flow.
- Operating temperature range: -35°F to +165°F (-37°C to +74°C).
How do I disassemble the 64200 nozzle for maintenance? 
Detailed disassembly instructions are provided in the 64200 Underwing Nozzle Service Manual. It is essential to follow these guidelines carefully to ensure proper maintenance and avoid damage.
What should I inspect during maintenance? 
- Check for wear or damage on components such as the nose seal, O-rings, and handle grips.
- Inspect the interlock mechanism for proper functionality.
- Ensure that all threaded connections are secure and free from corrosion.
- Verify the functionality of optional components like the vacuum breaker and Hose End Control Valves (HECVs).
Which parts are commonly replaced during maintenance? 
- Nose seals and O-rings are typical wear items that may require replacement.
- Handle grips can be replaced if worn or damaged.
- Strainers (40-mesh, 60-mesh, or 100-mesh) should be inspected and cleaned or replaced as necessary.
Are there special tools required for maintaining the 64200 nozzle? 
Yes, certain special tools are recommended, such as:
- Poppet Adjustment Gauge (Model 64250ST-1): For accurate poppet adjustment.
- Quick Disconnect (QD) Wear Gauge (Model IF220351): To determine safe limits of the quick disconnect sleeve wear.
How often should the nozzle be serviced? 
The service interval depends on usage frequency and operating conditions. Regular inspections are recommended to ensure optimal performance and safety.
What should I do if the nozzle leaks during operation? 
- Inspect the nose seal and O-rings for wear or damage and replace them if necessary.
- Ensure that the nozzle is properly connected to the aircraft adapter and that the self-adjusting nose seal is functioning correctly.
- Verify that all threaded connections are tight and free from damage.
How do I address a stiff or unresponsive operating handle? 
- Check for debris or corrosion around the handle mechanism and clean as needed.
- Inspect the handle pivot points for wear and apply appropriate lubrication.
- Ensure that the handle is not bent or damaged and that the internal components are functioning correctly.
What causes excessive wear on the nose seal? 
- Frequent connection to worn or damaged aircraft adapters can accelerate nose seal wear.
- Operating in extreme environmental conditions without proper maintenance may also contribute to increased wear.
Why is the nozzle not sealing properly with the aircraft adapter? 
- The aircraft adapter may be worn beyond acceptable limits. Using an Aircraft Adapter Wear Gauge can help determine the adapter's condition.
- The nozzle's nose seal could be damaged or improperly seated.
- Debris or contamination on the sealing surfaces may prevent proper sealing.
Are replacement parts for the 64200 nozzle readily available? 
Yes, replacement parts are available through authorized distributors like Becker Aviation.
Is the 64200 nozzle compatible with accessories from previous models? 
Yes.
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