Grinding noises, shuddering movement, uneven gaps, rollers jumping the rail, frequent safety reversals

https://damienlfww672.yousher.com/signs-your-los-angeles-security-gate-needs-track-realignment

Grinding noises, shuddering movement, uneven gaps, rollers jumping the rail, frequent safety reversals, and a straining operator are red flags your Los Angeles security gate track is misaligned and needs immediate realignment.