MOUNTING GP-ACTUATOR 3622219 - Caterpillar

Illustration 1 g00841342The engine brake control is operated by using a pedal that is located in the cab of the operator's compartment. The engine brake control aids in preventing excessive wear on the service brakes by decreasing the speed of the engine.The engine brake control should be used before applying the right service brake pedal. The engine brake control should not be used with the left brake pedal.Apply the engine brake control when the machine is travelling downhill. The transmission can be downshifted while you are using the engine brake control. The right service brake pedal can also be applied, if necessary.Note: The torque converter lockup switch should be in the ON position in order to use the engine brake control.Engine Overspeed Protection
If your machine is equipped with engine brake control, the engine has overspeed protection. The engine brake will automatically be activated if engine speed exceeds 2275 rpm. When engine speed drops below 1900 rpm the engine brake will automatically be deactivated.Reference: Refer to Operation and Maintenance Manual, "Torque Converter Lockup Control (If Equipped)" for more information.