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Other Tubing Brands 1. Please take antistatic precautions appropriate to the use of resin tubing. Refer to “Recommended Practices for Explosion-Protected Electrical Installations in General Industries” issued by Technology Institution of Industrial Safety. One-touch Fittings The pitch determined for each of the 51-SY series piping ports (P, A, B, etc.) is based on the assumption that KJ series onetouch fittings will be used. For this reason, other pipe fittings may interfere with each other depending on their type and size. Dimensions should be confirmed in a pipe fitting catalog before they are used. . Tubing attachment/detachment for one-touch fittings 1) Attaching of tubing 1. Take a tubing having no flaws on its periphery and cut it off at a right angle. When cutting the tubing, use tubing cutters TK-1, 2 or 3. Do not use pinchers, nippers or scissors, etc. If cutting is done with tools other than tubing cutters, the tubing may be cut diagonally or become flattened, etc., making a secure installation impossible, and causing problems such as the tubing pulling out after installation or air leakage. Allow some extra length in the tubing. 2. Grasp the tubing and push it in slowly, inserting it securely all the way into the fitting. 3. After inserting the tubing, pull on it lightly to confirm that it will not come out. If it is not installed securely all the way into the fitting, this can cause problems such as air leakage or the tubing pulling out. 2) Detaching of tubing 1. Push in the release button sufficiently, pushing its collar equally around the circumference. 2. Pull out the tubing while holding down the release button so that it does not come out. If the release button is not pressed down sufficiently, there will be increased bite on the tubing and it will become more difficult to pull it out. 3. When the removed tubing is to be used again, cut off the portion which has been chewed before reusing it. If the chewed portion of the tubing is used as is, this can cause trouble such as air leakage or difficulty in removing the tubing. . The pitch determined for each of the 51-SY series piping ports (A, B, etc.) is based on the assumption that KJ series onetouch fittings will be used. For this reason, other pipe fittings may interfere with each other depending on their type and size. Dimensions should be confirmed in a pipe fitting catalog before they are used. 1. When using other than SMC brand tubing, confirm that the following specifications are satisfied with respect to the outside diameter tolerance of the tubing. 1) Nylon tubing within ±0.1 mm 2) Soft nylon tubing within ±0.1 mm 3) Polyurethane tubing within +0.15 mm, within .0.2 mm. Do not use tubing which do not meet these outside diameter tolerances. It may not be possible to connect them, or they may cause other trouble, such as air leakage or the tubing pulling out after connection. Solenoid Valve Mounting Mount it so that there is no slippage or deformation in gaskets, and tighten with the tightening torque as shown below. Model Thread size 51-SY5000 51-SY7000 51-SY9000 M3 M4 M3 Tightening torque 0.8 N・m 1.4 N・m 0.8 N・m Series 51-SY5000/7000/9000 Specific Product Precautions 4 Be sure to read before handling. Refer to back pages 1 and 2 for Safety Instructions, “Handling Precautions for SMC Products” (M-E03-3) for 3/4/5 Port Solenoid Valves Precautions. Warning Caution Caution Caution Back page 6