Carton Inventory; Operator Dimensions - Chamberlain GT Owner's Manual

Before beginning your installation check that all components were provided.
DESCRIPTION
POWERHEAD ASSEMBLY
OWNER'S MANUAL AND CAUTION LABELS
HARDWARE BOX (INCLUDES FASTENERS, TRACK SPACERS, TROLLEY, DOOR ARM ASSEMBLY, FRONT IDLER AND HEADER
MOUNTING BRACKET)
3-BUTTON CONTROL STATION WITH LED
TROLLEY DRIVE CHAIN #41
NOTE: The tracks are shipped separately.
WEIGHTS AND DIMENSIONS
HANGING WEIGHT: 140 LBS.
4"
C A R T O N I N V E N T O R Y
O P E R A T O R D I M E N S I O N S
Door Height Plus 4 feet (minimum)
Highest point of door travel
3
12-1/2"
*
17-1/2"
17-9/16"