Instruction Manual

32
4111-0004 —November 2003
Rev “B” February 2011
Whenever the platform lip is at the full below-dock
position, the following conditions will exist for a
normally operating ARTD:
Proximity switch senses target.
Proximity switch ON (closed) (signal sent to the
control panel).
Proximity switch indicator light is ON.
Platform will automatically rise after approximately
a six-second delay, then returns to the cross-traffic
position.
Full Below-Dock Position
Whenever the platform lip is at the fully extended
position, the following conditions will exist for a
normally operating ARTD:
Target not in the sensing area of proximity switch.
Proximity switch OFF (open) (no signal sent to the
control panel).
Proximity switch indicator light is OFF.
If the platform lip is resting on the truck bed, the
platform will stay at this position unless the
operator activates the leveler.
Lip Fully Extended Position
ADJUSTMENTS
Lip Keeper