Fault Phenomenon: STAHL wire rope hoist when rising to the limit position, does not stop, causing overtravel.
Troubleshooting Process:
– Checked limit switch: switch lever deformed.
– Checked rope guide: rope guide seized, not triggering limit.
– Corrected switch lever, repaired rope guide.
Root Cause: The rope guide seized, preventing it from pushing the limit switch.
Required Parts: Rope guide assembly, limit switch.