How to operate a boom lift: step-by-step guide. A boom lift is easy to run once you know the sequence. Start with a walk-around. Check the tires, fluid levels, and labels. Test the ground controls before you get in the basket. Then move to the platform and identify the controls. Left joystick handles the main boom and swing. Right joystick handles drive and steering. Toggle switches control extend, jib, rotate, and platform level. Keep your foot on the foot pedal while moving the machine. Drive into position first, then raise the boom, swing to the work area, extend, and make final adjustments with the jib and basket rotate. Work within the machine’s rated capacity and keep an eye on the platform load.