Maintenance Caution 1. Do not use in environments or locations where there is a danger of damage to the fittings and tubing. For fitting and tubing materials, refer to specifications and construction drawings, etc. 1. Pre-maintenance inspection When the product is removed, turn off the power, cut off the supply pressure, and confirm that fluid in the piping has been discharged. 2. During regular maintenance, check for the following and replace any components as necessary. a) Scratches, gouges, abrasion, corrosion b) Leakage c) Flattening or distortion of tubing d) Hardening, deterioration or softness of tubing 3. Do not repair the fittings or patch the tubing for reuse. 4. Using this product for extended periods of time can result in leaks due to the material change. In such cases, tighten the union nut additionally. A guide for the additional tightening is 1/6 to 1/4 turns. But in case of the brass sleeve, the limit for additional tightening is 1/2 turns. When there is a leak even after additional tightening, replace the sleeve with new one. 5. Sleeve is not recyclable. Replace it every time piping is performed. Operating Environment Warning Series KF Specific Product Precautions 2 Be sure to read before handling. Refer to front matter 56 for Safety Instructions and pages 13 to 16 for Fittings and Tubing Precautions. 144