Fault Phenomenon: Versalift utility truck after engaging the PTO, a rattling sound comes from the transmission.

Troubleshooting Process:
– Checked PTO gear: gear worn.
– Checked bearing: bearing cage collapsed.
– Checked lubricating oil: low oil level.
– Replaced PTO assembly and added lubricating oil.

Root Cause: Internal PTO bearing damage.

Required Parts: PTO assembly.