1,Using the circlip plier to take off the jump ring(escalator ring)
2,Then using Three-Jaw Puller to take offf the old escalator stop roller
3, Then add the new escalator step roller(pls note, put the old roller on the top of the new escalator roller), using hammer strike the old roller
4, Add the jump ring again when the new escalator step roller have been installation complete
5, Test it, and the replacement have been finished if the test is good.
