TM 9-2350-287-10DRIVING OVER ROUGH, SOFT, OR HILLY TERRAlN1.2.3.4.5.WARNINGl To avoid possible Injury and vehicle damage, approachobstacle head-on.l Warn crew members to brace themselves.l Hatches, doors, and stowed items must be secured beforeproceeding over obstacle.Crossing a Ditch, Hole, or Trench. Apply brake and shift to first gear. When vehiclereaches bottom and starts to climb, depress accelerator to attain power needed to climbfree of obstacle.Driving over Barrier (21 inches maximum vertical height). Asvehicle approaches barrier,release accelerator, apply brake, and shift to first gear. Apply full power when startingover barrier. Release accelerator pedal upon reaching crest and permit vehicle to settleover it. Balance vehicle forward of the crest to begin descent. When front of tracks touchground, add power and move on.Starting Vehicle on an Upgrade. To avoid rolling backward when vehicle is headed uphill,apply power before releasing brake.CAUTIONl Do not use engine as braking source for a long period of time.Transmission overheating will result.l Using service brakes too long will bum them out. Releaseand apply brakes occasionally.Descending Steep Grades. Shift transmission into first gear and apply brake asnecessary to slow vehicle.CAUTlONMaking sharp turns In first gear may cause a track to be thrown.Driving in Loose Sand, Dirt, or Rocks. Shift into first gear and make series of short,gradual turns. This action will allow debris to be expelled from track.2-98
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