Follow these key steps to safely swap an LC connector with no interruption in service or quality: 1. Avoid fiber bending beyond acceptable radius. Place primer bottle into primer stand, remove dust caps from fiber connectors, etc. Note: To utilize the Alcohol Dispenser, fill it with 99% reagent grade isopropyl alcohol (not included). A Using the buffer strippers, strip off the buffer in at least two pieces. But if you've arrived here wondering whether it's worth replacing a damaged LC connector or building your own fiber patch cable, it's time for a pragmatic reality check. Each kit is qualified at our factory prior to shipment. OFS will, at our discretion, repair or replace tools suspected defective due to our workmanship within the stated warranty period. As fiber networks expand globally to meet demand for speed, stability and scale, skills in replacing these small but vital components are ever-more. Important : Ensure that all remnants of the coating are removed or the fiber will not fit into the connector.