Fault Phenomenon: Oil&Steel 2614 scissor lift aerial work platform rear counterweight makes abnormal noise.

Troubleshooting Process:
– Checked bolts: bolts loose.
– Checked washers: washers damaged.
– Checked vibration: vibration.
– Checked installation: installation loose.

Root Cause: The rear counterweight mounting bolts are loose.

Required Parts: Tighten bolts.