Fault Phenomenon: Oil&Steel 3614 scissor lift aerial work platform platform extension plate cannot be pulled out or pushed back in.

Troubleshooting Process:
– Checked guide rails: rails deformed or have foreign objects.
– Checked rollers: roller shattered.
– Checked lock pin: lock pin not released.
– Checked lubrication: lack of lubrication.

Root Cause: The extension plate guide rails have foreign objects stuck or a roller has shattered.

Required Parts: Extension plate rollers and rail cleaning.