operation
The trailer is backed into position at the loading dock until contacting the dock bumpers. The driver sets the brakes and chocks the wheels. The dock attendant pushes a control button that activates the barrier that will rise in the vertical track until contacting the rear impact guard and securing the trailer to the loading dock.
A keyed override selector switch will allow a bypass operation of the dock leveler while maintaining a red external signal light.
The barrier provides a restraining force in excess of 32,000 pounds adjusting automatically to “trailer float” during loading and unloading ensuring the trailer is restrained at all times.
When loading/unloading is completed the dock attendant stores the barrier using the release button.
construction
Enclosed barrier and housing design is a structural welded assembly constructed with dual reinforced 1/2″ steel restraining arms and 1/4″ steel enclosure panel. The housing protects components from the effects of weather, dirt and debris. Dual 1/2″ steel reinforced vertical track is welded securely to a 3/8″ thick wall mounting plate.
All structural components including the mounting plate, track, barrier, and lift arms are zinc plated for high corrosion resistance.
The control panel includes a power unit and PLC control system in a NEMA 12 enclosure with push buttons, operating instructions, and communication lights on the cover.
Black and yellow warning labels are provided on moving barrier. Power requirement is 120VAC, 3 amps.
installation
Every NORDOCK® TRUCK-LOCK® vehicle restraint is factory assembled and tested. The restraint is mounted to the dock face by means of concrete wedge anchors and welding to the pit curb angle.
An alternate method is to weld the restraint to a dock face embedded steel plate.
Total mounting force is in excess of 100,000 lbs. Signs, control panel and optional components are installed in accordance with instructions contained in the installation and owner’s manual.
communication
Safety equipment includes LED red or green inside and outside lights with operating instructions for the dock attendant, and outside mounted sign with forward and reverse lettering for truck driver.
warranty
One-Year parts and labor warranty & Five-Year structural warranty from date of shipment. Warranties subject to limitations on liability.
