Poweramp CentraAir AIR POWERED 2.2012 - Manual (Page 5)

Do not use dock leveling device if freight carrier is
too high or too low.
Do not overload the dock leveling device.
Do not operate any equipment while under the
influence of alcohol or drugs.
Do not leave equipment or material unattended on
dock leveling device.
3
SAFETY
4111-0023 — Jan. 2012