Extension arms are stored inside the LARS frame and secured with locking bolts when not in use. To remove an arm: 

Step #

Description

Loosen the locking bolts securing the extension arm in place

Pull the extension arm out from its storage slot.

Loosen the screws in the slot where the extension arm will be installed.

Position the extension arm so that it is at least flush with the backside of the bracket.


Fasten all three bolts to secure the extension arm properly.