Ultrapure water machine three-stage filter replacement method

1. How to replace the filter element of the front three-stage ultrapure water machine: There will usually be water overflow during this process, please prepare cleaning tools such as a basin or a towel: a) Turn off the electroplating ball valve and the pressure bucket ball valve; b) Open the gooseneck faucet to drain the residual water in the pipeline; c) After the water no longer flows out, use the filter shell wrench to open the filter housing with the filter element; d) Take out the old filter element and install a new filter element of the same specification; e) Put the Apply a lubricant such as Vaseline to the black O-ring above the filter housing, and place the O-ring into the groove in the filter housing. f) Tighten the filter housing in a vertical manner, and try to avoid shifting the O-ring. g) Open the electroplating ball valve and the pressure barrel ball valve. Household water purifier, water purifier, reverse osmosis membrane 2. Steps and precautions for replacing RO membrane: There is usually water overflow during this process, please prepare cleaning utensils such as water basin or towel: When you buy a new pure water machine Water machine, usually the reverse osmosis membrane has been installed into the reverse osmosis membrane tube. After using it for a period of time, when you need to replace the reverse osmosis membrane, you can ask a professional to serve you or replace it yourself according to the following procedures: Prepare tools: wrenches, pliers, buckets, scissors or knives. Note: During the installation/replacement process, try to avoid pulling other pipelines to avoid water leakage. 3. Replacement steps: 1. Close the electroplating ball valve and wait for about ten minutes. (Let the system depressurize) 2. Unscrew the nut joint on the right side of the membrane casing by hand or tools, and pull out the water pipe. 3. Facing the machine, hold the membrane shell tightly with your left hand, and turn the end cover with your right hand. (If the rear activated carbon filter element above the reverse osmosis membrane tube hinders the operation of this step, it can be shifted slightly or pulled out entirely. If it is pulled out entirely, it is necessary to disassemble the extra pipeline.) 4. Close the pressure tank Ball valve, unscrew the nut joint above it by hand or tool, and guide the water pipe into an empty bucket or sink. 5. Hold the reverse osmosis membrane tube tightly with your left hand, then clamp the old reverse osmosis membrane with pliers, and pull it out of the membrane shell forcefully. 6. Open the envelope of the new reverse osmosis membrane and take it out. 7. Insert the newly opened reverse osmosis membrane into the reverse osmosis membrane tube until one end with two small black O-rings touches the bottom end of the membrane shell. 8. Tighten the membrane cover in the same position as you open the membrane cover. 9. If necessary, adjust the joint to the rear of the machine in a clockwise (locking) direction. 10. Insert the water pipe and tighten the joint nut. (Don't forget to put the tube plug). 11. Open the electroplated ball valve. 12. Let the machine run for more than two hours to make the system enter the normal water-making state, then connect the water pipe to the pressure bucket ball valve and open the pressure bucket ball valve.
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