Sliding gates often fail to open or close because debris blocks the track, wheels slip off the rail

https://andresdmyj093.scriblorax.com/posts/caring-for-an-older-canoga-park-iron-gate-managing-rust-weld-issues-and-sagging

Sliding gates often fail to open or close because debris blocks the track, wheels slip off the rail, tracks shift out of line, or the operator needs a reset after an obstruction is cleared.