VALVE- 1101876 - Caterpillar

Do not operate the travel speed control switch while traveling.Machine stability may be adversely affected.Personal injury can result from sudden changes in machine stability.
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Travel Speed Control Switch - Press the travel speed control switch in order to select HIGH TRAVEL SPEED or LOW TRAVEL SPEED. When the engine start switch is ON, the travel speed control switch is always set at the LOW TRAVEL SPEED position. Whenever the travel speed control switch is pressed, the travel speed changes.
Low Speed - If you travel on rough surfaces or on soft surfaces or if you require a great drawbar pull, select the LOW SPEED position. Also, select the LOW SPEED position if you are loading a machine onto a trailer or you are unloading a machine from a trailer. When the LOW SPEED position is selected, the maximum speed is 3.3 km (2.0 mph).
High Speed - If you travel on a hard, level surface select the HIGH SPEED position. When the HIGH SPEED position is selected, the maximum speed is 5.5 km/h (3.4 mph). During machine travel at HIGH SPEED, the machine will automatically reduce the travel speed when the pump discharge pressure increases to a specific level.Continuous driving at HIGH SPEED should be limited to two hours. If you need to continue driving at HIGH SPEED for more than two hours, stop the machine for ten minutes. This will cool down the travel drives before you resume driving.