What are four major load control functions found on a load lift?

Many lifts have the same functions. Thus, the four major load control functions found on a load lift are lift, lower, forward, and backward. Joystick Control Functions. 3-4. Joystick Control Functions (Button Pushed). 3-5. Service Brakes. 3-6 ... major contribution to safety if you, as the equipment users and operators: 1. ... Know that the machine can safety lift each load before attempting to lift. These are ...... Any problems discovered in the steps.