Fault Phenomenon: Haulotte HA12SP articulating boom aerial work platform after stopping rotation, the inertia glide distance is excessive.
Troubleshooting Process:
– Checked brake pads: pads worn thin.
– Checked brake disc: disc worn.
– Checked hydraulic release: insufficient release pressure.
– Checked springs: springs fatigued.
Root Cause: The swing brake friction pads are excessively worn, resulting in insufficient clamping force.
Required Parts: Swing brake friction pad kit.