ENGINE AR- 2845777 - Caterpillar

Personal injury or death can result from not following the proper procedures.To avoid the possibility of injury or death, follow the established procedure.
Always make sure that the boom control joystick is in the NEUTRAL position before activating the SmartBoom.Do not select any SmartBoom mode, using the SmartBoom selector switch located on the console, while the tracks are elevated.If any SmartBoom mode is active while the boom control joystick is in the Boom Down position (forward) and the bucket or tool is on the ground, do not press the disable button that is located on the front of the right-hand joystick. Pressing the disable button could cause a sudden Boom Down motion and tilt the machine upward.While the machine is in any SmartBoom mode, do not attempt to lift the tracks by using the disable button and applying downward force with the BOOM LOWER control. Releasing the disable button will immediately return the machine to the active SmartBoom mode. This action could cause the machine to drop down abruptly.
The switch for the SmartBoom is located behind the operator's seat.
Illustration 1 g00742742
(1) SmartBoom DOWN position (2) SmartBoom UP AND DOWN position (3) SmartBoom Inactive position
SmartBoom DOWN (1) - Push down on the rear of the switch in order to activate the SmartBoom DOWN mode. The boom will lower by the weight of the boom when the control lever is moved to the BOOM LOWER position. This mode prevents the boom from moving upward. In order to move the boom upward, the operator must use the boom control joystick to activate the BOOM UP mode.
SmartBoom UP AND DOWN (2) - Push down on the front of the switch in order to activate the SmartBoom UP AND DOWN mode. When the boom control joystick is moved to the BOOM DOWN position, the boom will lower by the weight of the boom. The boom can move upward freely.
SmartBoom Inactive (3) - When none of the SmartBoom modes are selected, the SmartBoom is inactive. The machine will operate normally.