244111-0021-N — Sept. 2018© 2018OPERATIONOnly trained personnel should operate the dockleveler.DO NOT use a broken or damaged dock leveler.Make sure proper service and maintenanceprocedures have been performed on leveler beforeusing.Transport vehicle wheels must be chocked unlessa vehicle restraint is used. Never remove the wheelchocks until loading/unloading is finished andtransport driver has been given permission to leave.Make sure platform lip rests on the transportvehicles bed with at least 4 in. (102 mm) of overlap.Maintain a safe distance from side edges of levelerduring the loading/unloading process.Operational PrecautionsStay clear of dock leveler and vehicle restraintwhen transport vehicle is entering or leaving dockarea.DO NOT move or use the dock leveler or restraint ifanyone is under or in front of leveler.Keep hands and feet clear of pinch points. Avoidputting any part of your body near moving parts.12 in. (305 mm)12 in. (305 mm)The NAS pneumatic dock leveler is designed tocompensate for a maximum ± 12 in.* (305 mm) ofheight difference between the loading dock and thetransport vehicle's bed. DO NOT use the dockleveler if the transport vehicle's bed is more than 12in. (305 mm) higher or lower than the dock floor.*Service height may vary with design specificationsDO NOT overload the dock leveler.DO NOT operate any equipment while under theinfluence of alcohol or drugs.DO NOT leave equipment or material unattendedon the dock leveler.