Chamberlain B980C Manuel D'installation page 20

Screw
6-32x1" (2)
Drywall
Anchors (2)
HARDWARE
Screw
6ABx1" (2)
1 2
7/16" (11 mm)
4-5
DRYWALL
GANG BOX
Drywall Anchor
6-32x1"
6ABx1"
7
8
3
Wall
6
DRYWALL GANG BOX
6-32x1"
Drywall Anchor
6ABx1"