To avoid damaging components during the disassembly and maintenance of the injection syringe of Shimadzu liquid chromatograph, the following details should be noted: 1. Use dedicated flat-head syringes for liquid chromatography to prevent mismatches that may damage the syringe or sealing parts. 2. Regularly check the syringe needle for wear or deformation; replace it promptly if found to avoid inaccurate injection volume or further damage to related components. 3. Ensure the sample holder is installed correctly to prevent needle misalignment and bending. 4. Set the appropriate liquid suction height of the syringe to avoid needle bending due to improper height. 5. Avoid adhesive from the sealing film of 96/384-well plates sticking to the needle tip, which may cause blockage or damage. For professional maintenance and repair of Shimadzu liquid chromatographs and other laboratory instruments (covering brands like Thermofisher, Waters, Agilent, GE, Cytiva, Beckman, etc.), Jiangxi Bio (匠析生物) provides one-stop solutions including instrument repair, leasing, cleaning and maintenance services. We also supply related consumables, spare parts, and offer chromatographic application consulting to help you efficiently resolve instrument issues and ensure the smooth running of your experiments. If you encounter problems beyond your own maintenance capabilities, feel free to contact us for professional support.