2. Examine the inflation mechanism status indicators.

The indicator will tell you if the inflation mechanism is properly ARMED/REARMED and ready for activation. If the indicator shows RED, the mechanism is not ready to fire, and you must rearm the mechanism to set the indicator to GREEN. Refer to rearming instructions on Pages 11 and 12, and on the PFD chamber.

3. Examine Your CO2 Cylinder

The CO2 cylinder contains the gas charge that will inflate your PFD when the inflation mechanism is fired. You must verify that the CO2 cylinder installed is of the correct size and has not been previously fired. There are no indicators to show that the CO2 cylinder is full. See the Product Specifications section on Page 2 of this manual for the proper size cylinder. The size includes both thread size and gram weight. To examine the cylinder, you must unscrew it and visually examine the flat surface of the threaded end. If the cylinder cap is punctured or damaged in any way, discard it and install a new, undamaged cylinder in the mechanism. If the cylinder is OK, you must properly screw it back into the mechanism.

4. Cylinder Tightness

When screwing the cylinder back into the PFD, make sure it is snug. Over tightening can damage the inflator seal, but if not snug the cylinder can unscrew during use and may leak or not be punctured when the “Jerk to Inflate” lanyard is pulled.

Additional Notes on CO2 Cylinders :

a.FAILURE to properly rearm the inflation mechanism prior to

installing the CO2 cylinder will result in a premature activation of the cylinder. Follow the rearming steps exactly. See Pages 11 and 12.

b.CO2 cylinders are good for one inflation and cannot be recharged.

c.CO2 cylinders are made with a protective coating that may wear off after a period of use or exposure to the environment.

When this coating is worn off, the CO2 cylinder may start to show some signs of rusting. If this occurs, replace the CO2 cylinder.

d.If a gram scale (such as postal scale) is available, it is recommended to weigh the cylinder to verify that it meets the minimum weight listed on the cylinder.

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Stearns Recreational 4430 Examine the inflation mechanism status indicators, Examine Your CO2 Cylinder, Cylinder Tightness
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4430, 6340 specifications

The Stearns Recreational 6340 and 4430 are standout models designed for water enthusiasts looking for high-performance and comfort during their recreational activities. These personal flotation devices (PFDs) provide safety without compromising style or functionality.

The Stearns Recreational 6340 features a classic design with modern refinements. Made from durable nylon, it boasts a lightweight structure, ensuring that wearers can navigate through water activities with ease. This model is equipped with multiple adjustable straps, ensuring a snug fit for various body types. One of its key highlights is the built-in mesh back, which not only aids in ventilation but also enhances comfort during extended wear.

Similarly, the Stearns Recreational 4430 is designed with an emphasis on versatility and ease of use. This model includes a more streamlined silhouette, making it perfect for activities like kayaking or paddleboarding. It’s constructed with a foam core that provides buoyancy and stability, essential for both novice and experienced users in the water. The front pocket offers convenient storage for small essentials, ensuring that users can keep their necessities close at hand.

Both models include reflective piping, enhancing visibility in low light conditions, which is crucial for safety on water. The 6340 and 4430 are both compliant with US Coast Guard regulations, providing peace of mind that users are protected while enjoying their favorite water sports.

Innovation is at the core of these designs, with each item featuring advanced technology for optimal performance. The lightweight, durable materials are chosen not just for comfort but also for their ability to withstand the elements. Easy to clean, both models can withstand accidental spills or exposure to the sun, making maintenance a breeze.

In terms of fit, both the 6340 and 4430 offer unisex sizing options, catering to a broader audience while also ensuring that both male and female users can experience maximum comfort and support on their aquatic adventures.

In conclusion, the Stearns Recreational 6340 and 4430 are excellent choices for those seeking reliable, stylish, and functional personal flotation devices. With their innovative designs, safety features, and comfortable construction, these models stand out in the competitive world of recreational water gear, ensuring that your time on the water is both safe and enjoyable.
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