When China hospital elevator car is leveling at the lower end station, the distance between the cable and the bottom of the shaft should be 60-350mm, and the cable should be re-bound if it is less than 60mm. 2.3.7 Wiring posts of all kinds of conduits, wire ducts and junction boxes (1)Check whether the wiring of each terminal of the car control panel, junction box, and intermediate junction box is firm, including power supply wires, motor wires, and ground wires , And clean the terminal block. Check whether the stubs of each line are rusty and the line number is short. (2) Check the machine room, hoistway, car roof, car bottom, the wire pipes, and wire ducts for looseness or undercover, and whether the grounding wire is firmly connected. 2.3.8 Hoistway cleaning (1) Clean the garbage in all parts of the hoistway, including the door cover, the two sills and the garbage on the counterweight frame. (2) Clear the obstacles that may collide with the car, counterweight, and cable in the hoistway during operation. (3) Remove the rubbish and debris in the low pit. If you maintain it as you said every time, it will take 2-3 days for a 10-story ladder to be maintained. It will take half an hour to look at the maintenance content. Isn't that just a copy of the national standard? It's better not to say too much detail. The most direct thing is to ask each maintenance unit to give a maintenance schedule. See which one is more detailed and cost-effective. If you want to cover all of them, then it is estimated that you have to train a few people to do it yourself.