Loosen the set screws a located on the lower side of the handle with a 3.18 mm (1/8 in.) Allen wrench and remove the handle.
For models shipped with the handles disassembled, use a 2.38 mm (3/32 in.) Allen wrench.
Loosen the mounting fasteners b with a 6.35 mm (1/4 in.) Allen wrench, and remove the mounting fasteners.