20
9 Connect the door arm to the trolley
OPTION B SECTIONAL DOORS
IMPORTANT: The groove on the straight door arm
MUST face away from the curved door arm (Figure 1).
9.1B Close the door. Disconnectthe trolley by
pulling the emergencyrelease handle.
9.2B Attach the straight door arm to the outer
trolley using the clevis pin (H14).Secure with
the ring fastener (H19).
9.3B Attach the curved door arm to the door
bracketusing the clevis pin (H13). Secure
with the ring fastener (H19).
9.4B Bring arm sections together.Find two pairs of
holes thatline up and join sections.Select
holes as far apartas possible to increase
door arm rigidity and attach using the bolts
(H15), nuts (H20) and lockwashers (H21).
9.5B Pull the emergency release handle toward
the garage door opener until the trolley
release arm is horizontal.The trolley will re-
engage automaticallywhen the garage door
opener isactivated.
NOTE: If the holes in the curved door arm and the
straight door arm do not align, reverse the straight
door arm, select two holes (as far apart as possible)
and attach using bolts (H15), nuts (H20), and lock
washers (H21). If the straight door arm is hanging
down too far, you may cut 6 inches (15 cm) from the
solid end.
H14
H13
H19
H19
H15
H20
H21
Straight
Door Arm
Curved
Door
Arm
(Groove
facing out)
CORRECT INCORRECT
FIGURE 1
Straight
Door
Arm
Curved
Door
Arm
HARDWARE
H15
Hex Bolt 5/16"-18x7/8"
H20
Nut
5/16"-18
H21
Lock
Washer
5/16" -18
H14
Clevis Pin 5/16"x1"
H13
Clevis Pin 5/16"x1-1/4"
H19
Ring Fastener
Installation
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