To maintain utmost safety and performance of the crossbow, it is advised that the strings have to be routinely replaced, depending on the frequency of use. A person who hunts often may need to replace them annually, or once the strings show signs of wear and strain. Many can bring them to an archery shop for service; or with the correct tools, they can string it themselves.
Replacing a string on a compound bow requires a bow press. Use a bow press that’s approved or certified to preserve the warranty. If a bow press is not available, it’s better to just hand them over to a professional for service. The other materials needed are a new bowstring, a bowstring wax and eye protection. Check the old string for any breaks or damages. Be careful of worn out strings, since it might snap in the middle of the procedure and result to injuries. The bow press also minimizes the chances of the string breaking so this also works as an added safety precaution alongside the eye protection. Remember to examine the new string for any manufacturing flaws and wax it first for easier installation.
Start by placing the bow into the bow press. With the adjustable press, slowly press on the limbs to loosen the bowstring. If there’s no bow press available, start with pressing the right limb into the ground, with the foot as a stop block to prevent slippage. Remove the string from the left limb, and then loosen the pressure on the right limb. Take the other end of the string from the grooves of the right limb. Take the new string and place one end of it into the left limb’s string grooves. Using the foot again as a stop block, press the left limb to the ground, then take the other end of the string into the right string grooves. Carefully loosen the pressure on the right limb until the string tightens. Then apply wax to the new string. It also helps to have somebody else around to help with the process. Test the bow after restringing and check if it fires straight and smooth.
As part of the maintenance, check the string and wax it before using. Always use the right string materials; substituting with a plain twine or yarn will likely fail and cause injury. Safety is always a primary concern so it’s better to consult a professional or an archery store before stringing.
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