ARCHIVED REPORTS XR0000638 - Laserfiche WebLink

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r-1 rn r-7 r-7 r-1 r-1 r-1, r-1 r-1 r-' r-1, r-1 to the hitch of the pulling vehicle. Refer to the trailer manufao- If tires on all-terrain drills are deflated to reduce mgiuun curer's weight distribution recommendations. pressure for movement on soft ground,reinf late the tires to nor- * Secure the drill rig and tools to the hauling vehicle with ties, mal pressures before movement on firm or hilly ground or on chains, and/or load binders of adequate capacity. streets, roads,and highways. Underinflated tires are not stable on firm ground. During air pressure checks, inspect for. 20. Off-Road Movement • Missing or loose wheel lugs. Follow these procedures during off-road movement: • Objects wedged between duals or embedded in the tire casing. • Before moving a drill rig,first walk the route of travel,inspect- • Damaged or poorly fitting rims or rim flanges. ing fordepressions,stumps,gulleys,ruts,and similar obstacles. • Abnormal or uneven wear and cuts, breaks, or tears in the • Always check the brakes of a drill rig carrier before traveling, casing. particularly on rough, uneven, or hilly ground. • Check the complete drive train of a carrier at least weekly for Batteries contain strong acid. Use extreme caution when loose or damaged bolts, nuts, studs, shafts, and mountings. servicing batteries. • Discharge all passengers before moving a drill rig on rough . Service batteries only in a ventilated area and while wearing or hilly terrain. safety glasses. • Engage the front axle(for4 x 4,6 x 6,etc.vehicles or carriers) When a battery is removed from a vehicle or service unit, when traveling off highway on hilly terrain. disconnect the battery ground clamp first. • Use caution when traveling side-hill.Conservatively evaluate When installing a battery,connect the battery ground clamp side-hill capability of drill rigs because the arbitrary addition of last. drilling tools may raise the center of mass.When possible,travel When charging a battery.with a battery charger,turnoff the --directly-uphill or downhill.Increase tire pressures before travel power source to the battery before either connecting or discon- ing in hilly terrain (do not exceed rated tire pressure). netting charger leads to the battery posts. Loosen cell caps • Attempt to cross obstacles.such as small logs and small ero- before charging to permit the escape of gas. sion channels or ditches squarely rather than at an angle. • Use the assistance of someone on the ground as a guide Spilled battery acid can burn skin and should be immediately when lateral or overhead clearance is close. flushed with lots of water. If battery acid gets into someone's eyes, flush immediately with large amounts of water and see a • Set all brakes and/or locks after the drill has been moved to medical physician at once. a new drilling site.When grades are present, block the wheels. To avoid battery explosions, keep the cells filled with efec ' Never travel off-road with the mast(derrick)of the drill rig in trolyte,use a flashlight(not an open flame)to check electrolyte the raised or partially raised position. levels and avoid creating sparks around the battery by shorting across a battery terminal. Keep lighted or smoking materials and 21. Tires, Batteries, and Fuel flames away from batteries. Check tires on the drill daily for safety and,during extended Take special precautions far handling fuel and refueling the travel,for loss of air. Maintain air pressures for travel on streets, drill rig or carrier roads,and highways according to the manufacturer's recommen• • Only use the type and quality of fuel recommended by the dations.Only repair truck and off-highway tires with the required engine manufacturer special tools and follow the recommendations of a tire manufac. • Refuel in a well-ventilated area. turer's repair manual. -33- -34- j