GEM AD500 Instruction Manual page 19

8-2 Reinforced Metal Frames
If installing on thin wood or partition boards, a thicker metal plate needs to be added to enhance
the sturdiness of the installation site.
Drill 5.1 mm holes and tap with 6 mm drill bit. Secure the base plate to the frame.
8-3 Solid Wood Frames
For solid wood frames. Drill 4 mm holes first. Fix Phillips screws.
Secure the base plate to the frame.
8-4 Concrete Walls
Drill with 5 mm masonry drill bit.
Fix Phillips screws. Secure the base plate to the frame.
Automatic Door Operator
17
Manual