One-touch fitting Elbow plug for frequent use KCL -99 Marking Straight plug for frequent use KCH -99 Marking exclusive to self-seal fitting Self-seal fitting Series KC Built-in self-seal mechanism No. of Insertions and Removals from Self-seal Fittings Distinction of Plug and Applicable Fittings Self-seal fittings that have once been attached to connecting plugs cannot be used for tube connection. It cannot be secured and the fittings will be lurched. Installation of Self-seal Fittings Tightening the Thread Portion of an M5 Size Fittings Tube Insertion and Removal under Pressurized Condition Caution Caution Caution Caution Caution 1. The number of insertions and removals as a rough guide is as follows. . Tube・・・・・・・・・・・・・・・・・・300 times . Metal stem・・・・・・1000 times 1. The fitting should be installed (installation of R thread portion) by screwing with a spanner at the hexagonal portion of the body. The position of spanner should be a root as close as possible to R thread. Hex. across flats may be deformed, if using an improper wrench for hex. across flats. 1. First, tighten it by hand, then give it an additional 1/6 turn with the wrench. Excessive tightening may damage the threaded portion or deform the gasket to cause air leakage. Insufficient tightening may leave the thread loosened or cause air leakage. 1. The applicable fitting should be chosen depending on the style of plug. Check Adaptor How to use: Use it for addition of self-seal mechanism to a standard One-touch fitting. Self-seal fittings with check adaptor are not available. It causes air leakage. 2. Connecting products with metal rods Products with metal rods cannot be connected to Series KQ2 One-touch fittings. If connected, the metal rod cannot be retained by the chuck of the One-touch fitting and products with metal rods may project during pressurization, causing serious personal injury or accident. After attaching products with attached metal rods, to the One-touch fitting, do not use tubes, resin plugs, or reducers, etc. This may cause releasing. For details about One-touch fittings that can connect KCJ model, contact SMC. Elbow plug for frequent use, straight plug for frequent use. How to use: For use in the case of frequent tube installation and removal, tube cutting labor can be saved. These plugs cannot be connected to One-touch fittings other than self-seal fittings Series KC. If connected, the metal rod cannot be retained by the chuck of the One-touch fitting and elbow plug for frequent use/straight plug for frequent use may project during pressurization, causing serious personal injury or accident. Note the exclusive marking for self-seal fittings before use. 1. When inserting/removing the tubing is difficult under a pressurized condition, it should be inserted or removed by lowering the pressure or after fully exhausting. Series KC/Specific Product Precautions Be sure to read before handling. Refer to front matter 56 for Safety Instructions and pages 13 to 16 for Fittings and Tubing Precautions. A 166