Martin DC2500e - Step 5 Mount Opener to Ceiling

FIGURE 7
STEP 5
MOUNT OPENER TO CEILING
Raise the opener power head high enough to allow the door to be
fully opened. OPEN DOOR BY HAND. Set a 1 ½" (38) high
object on the top part of the door, under the rail assembly. Center
the rail assembly with the opener door bracket. See Figure 11
Twist rail support bracket onto rail assembly. See Figures 7
and 8
Slide the rail support bracket forward or backward on the rail
assembly to the best location for fastening to the ceiling. See
Figure 8
Fasten the 5” (127) punched angle and the rail support
bracket locks to the rail support bracket. See Figure 9
Fasten optional punched angle diagonally from 5” (127)
punched angle to ceiling for correct stability. See Figure 11
NOTE: If clearance is limited, the rail support bracket can be
fastened directly to the ceiling with no 5” (127)
punched angle or rail support bracket locks.
See Figure 8
Fasten one extra rail support bracket to center part of rail furnished for doors 10’(3100) to
12’(3700) high. Fasten two extra rail support brackets spaced equally apart on rails furnished
for doors 14’(4300) high. See Figure 11A
FIGURE 8
FIGURE 11
POWER HEAD
CHASSIS
1 1/2” (38) HIGH
OBJECT
CURVED POWER ARM
OPTIONAL PUNCHED ANGLE
RAIL ASSEMBLY
RAIL SUPPORT BRACKET
“C” BRACKET
POWER HEAD
5/16” X 2” LAG SCREW
“L” STRUT
OOR ITOP
D
SECT ON
RAIL
SUPPORT
BRACKET
RAIL
SUPPORT
BRACKET
RAIL ASSEMBLY
FIGURE 11A
ONE EXTRA RAIL SUPPORT BRACKET
ON RAIL FURNISHED FOR DOORS
10’(3100) TO 12’(3700) HIGH.
TWO EXTRA RAIL SUPPORT BRACKETS
ON RAILS FURNISHED FOR DOORS
14’(4300) HIGH.
RAIL ASSEMBLY
OPTIONAL
PUNCHED ANGLE
POWER HEAD
RAIL SUPPORT BRACKET
RAIL
ASSEMBLY
TEMPORARY TIE
3/8” LOCK NUTS
FIGURE 9
RAIL SUPPORT
BRACKET
3/8” X 1” SHORT NECK
CARRIAGE BOLTS
5” (127)
PUNCHED
ANGLE
N I
I
VISIBLE RA L
A
E
B
S
SMLY
IN I
IBLE
ILV
S
RA
A SEM
L
S
B Y
RAIL SUPPORT
BRACKET LOCK
POWER HEAD
FIGURE 10
5” (127)
PUNCHED
ANGLE
RAIL SUPPORT
BRACKET
RAIL SUPPORT
BRACKET LOCK
RAIL ASSEMBLY
TWIST
COPYRIGHT © 2003 MARTIN DOOR
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