As you know, there are two handrail belts in one escalator, and two handrails are running with the nylon guide rail slider (slider block) under itself, runs every day. And each mechanical escalator spare part will be worn out in final. If the escalator handrail guide rail is worn out, which causes the running speed of two sides are different, even one or two sides are running slower than the escalator motor. Thereby it can cause passengers to lean back, there may be a risk of falls.
So, if you discover your escalator has the situation likes above we said, just replace the nylon handrail guide rail slider, it is so cheap, just takes a bit time of you. Here is the cheap escalator nylon handrail guide block