Loading And Unloading A Dump Trailer Level (evenly distribute) the load within the trailer from front to back and from 97 side to side. If material may blow out while driving, tarp the trailer. If the trailer is overloaded, DO NOT attempt to raise the dump body. The excess material must be removed by equipment designed for this purpose, or by hand. UNLOAD BULK MATERIAL USING THE SPREADER GATE If trailer is equipped with Hydraulic Jacks, please follow instructions below regarding operation of selector valve. Read and understand the hoist operating procedure before operating the dump body. Clear the area around the dump trailer. Park the tow vehicle and trailer on a firm and level surface both side-to-side and front-to-rear. Attempting to unload on a soft or uneven surface may cause the trailer to overturn, which can result in death or serious injury. For spreading material, the surface in which the tow vehicle and trailer will travel MUST be firm and level. ! 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.
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