3
TYPICAL SECTIONAL DOOR INSTALLATION
5
TYPICAL
SUPPORT
BRACKET
EXTENSION SPRING
OR
TORSION SPRING
SAFE-T-BEAM
®
BRACES
ADDED
HEADER BRACKET
MOUNTING BOARD
36” POWER CORD
TO
120V GROUNDED
OUTLET
6
4
3
1
2
3
TYPICAL (TRACK GUIDED)
1-PIECE DOOR INSTALLATION
7
SECTIONAL DOOR
ONE-PIECE DOOR
TYPICAL (TRACKLESS)
1-PIECE DOOR INSTALLATION