Loading And Unloading A Dump Trailer Close and latch rear gate before moving trailer. 102 U NLOAD BULK MATERIAL USING THE SWING GATES Read and understand the hoist operating procedure before dumping the load. Be sure the trailer is on level ground, both side-to-side and front-to-rear. Attempting to unload on uneven ground may cause the trailer to overturn, which can result in death or serious injury. ! WARNING A soft and/or uneven surface may cause the tow vehicle and trailer to overturn when the dump body is raised or while spreading material. Raise the dump body ONLY if the tow vehicle and trailer are both on a firm and level surface. ! WARNING An overloaded trailer or improperly distributed load can result in death or serious injury. An overloaded trailer can cause the hydraulic system to malfunction, resulting in the dump body falling. A load that is improperly distributed in the trailer can result in the trailer overturning when the dump body is raised. ! WARNING Loaded materials can exert pressure against the swing gates. This may cause the gates to swing out with force when unlatched, causing serious injury. Stand away from the trailer to unlock swing gates. Clear the area around the dump trailer.
To see the actual publication please follow the link above