LG RG-61B - Manual (Page 16)

3-4. Fasten the support bracket (Type G)
using a screw removed from the air
conditioner cabinet. Attach the
support bracket (Type G) to the inner
window sill with a screw (Type B).
4. Window installation of room air conditioner is now completed.
See ELECTRICAL DATA for attaching power cord to electrical outlet.
Type B
Support Bracket (Type G)
Installation
Room Air Conditioner 16