JLG® Articulated Boom Lift—Emergency Descent Procedure – 450AJ, 450AJS
*Video reference to AFI Rentals Platform Emergency Lowering 450AJ, 450AJS

From Ground
- To use auxiliary power the switch must be held down for the duration of the auxiliary pump
- Use the auxiliary pump functions to provide sufficient oil flow to operate the basic machine functions
- Should the main pump or engine fail it should be noted that functions will operate at a slower than normal rate.
From Aerial
- Pull out red imen stop
- Depress hold down the foot switch
- Push and hold auxiliary power switch to operate the appropriate control
- Switch lever or control your function will now work to stop auxiliary power working
- Release the auxiliary power
- Take your foot off the foot switch