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• <br /> 2 .5. 19 Loading and Unloading <br /> When loading or unloading a drill rig on a trailer or a truck: <br /> • <br /> Use ramps of adequate design that are solid and <br /> substantial enough to bear the weight of the drill rig <br /> with carrier - including tooling. <br /> • Load and unload on level ground. <br /> • <br /> Use the assistance of someone on the ground as a guide. <br /> • Check the brakes on the drill rig carrier before <br /> approaching loading ramps. <br /> • Distribute the weight of the drill rig, carrier, and <br /> tools on the trailer so that the center of weight is <br /> approximately on the centerline of the trailer and so <br /> that some of the trailer load is transferred to the hitch <br /> of the pulling vehicle. Refer to the trailer <br /> manufacturer's weight distribution recommendations. <br /> • Secure drill rig and tools to the hauling vehicle with <br /> ties, chains, and/or load binders of adequate capacity. <br /> 2.5.20 Off-Road Movement <br /> The following safety suggestions relate to off-road movement: <br /> • Before moving a drill rig, first walk the route of <br /> travel, inspecting for depressions, stumps, gullies, ruts <br /> and similar obstacles. <br /> • Always check the brakes of a drill rig carrier before <br /> traveling, particularly on rough, uneven, or hilly <br /> ground. <br /> • Check the complete drive t-air, of a carrier at least <br /> weekly for loose or damaged bolts, nuts, studs, shafts, <br /> and mountings. <br /> • Discharge all passengers before moving a drill rig on <br /> rough or hilly terrain. <br /> • Engage the front axle (for 4 x 4, 6 x 6, etc. vehicles <br /> or carriers) when traveling off highway on hilly terrain. <br /> • Use caution when traveling side-hill. Conservatively <br /> evaluate side-hill capability of drill rigs, because the <br /> arbitrary addition of drilling tools may raise the center <br /> of mass. When possible, travel directly uphill or <br /> downhill. Increase tire pressures before traveling in <br /> hilly terrain (do not exceed rated tire pressure) . <br /> • Do not attempt to cross obstacles such as small logs and <br /> small erosion channels or ditches at an angle. <br /> • <br /> Use the assistance of someone on the ground as a guide <br /> when lateral or overhead clearance is close. <br /> • After the drill has been moved to a new drilling site, <br /> set all brakes and/or locks. When grades are steep, <br /> block the wheels. <br /> • Never travel off-road with the mast (derrick) of the <br /> drill rig in the raised or partially raised position. <br /> 2.5-17 <br />