Fault Phenomenon: Zoomlion ZTT6012 tower crane when the swing stops, the jib overshoots excessively, poor braking effect.

Troubleshooting Process:
– Checked brake pad wear: wear within normal range.
– Checked brake hydraulic pusher: travel adjusted too large.
– Checked swing gearbox gear clearance: normal.
– Readjusted brake pusher travel to standard value.

Root Cause: The swing brake hydraulic pusher travel was improperly adjusted, resulting in insufficient braking torque.

Required Parts: None (requires adjustment).