Connect Door Arm To Trolley; Important - Craftsman 139.54930 Manual Del Propietário

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INSTALLATION STEP 9

Connect Door Arm to Trolley

Follow instructions which apply to your door type as illustrated
below and on the following page.
IMPORTANT: The groove on the straight door arm MUST face
away from the curved door arm (Figure 4).
SECTIONAL DOORS ONLY
1. Make sure garage door is fully closed. Pull the emergency
release handle to disconnect the outer trolley from the inner
trolley. Slide the outer trolley back (away from the pulley)
about 8" (20 cm) as shown in Figures 1, 2 and 3.
2. Fasten straight door arm section to outer trolley with the
5/16"x1" clevis pin. Secure the connection with a ring fastener
(Figure 1).
3. Fasten curved section to the door bracket in the same way,
using the 5/16"x1-1/4" clevis pin.
4. Bring arm sections together. Find two pairs of holes that line
up and join sections. Select holes as far apart as possible to
increase door arm rigidity (Figure 2).
Hole alignment alternative (Figure 3):
If holes in curved arm are above holes in straight arm,
l
disconnect straight arm. Cut about 6" (15 cm) from the solid
end. Reconnect to trolley with cut end down as shown.
Bring arm sections together.
l
Find two pairs of holes that line up and join with bolts, lock
l
washers and nuts.
Pull the emergency release handle toward the opener at a 45°
angle so that the trolley release arm is horizontal. Trolley will
re-engage automatically when opener is operated during the
adjustments.
HARDWARE SHOWN ACTUAL SIZE
Nut 5/16"-18
Lock Washer 5/16"
Clevis Pin
5/16"x1" (Trolley)
Ring Fastener
Clevis Pin
Hex Bolt
5/16"x1-1/4" (Door Bracket)
5/16"-18x7/8"
Pulley
Figure 1
8" (20 cm) min.
Ring
Fastener
Door
Bracket
Clevis Pin 5/16"x1-1/4"
Pulley
Figure 2
8" (20 cm) min.
Nuts
5/16"-18
Door Bracket
Pulley
Figure 3
8" (20 cm) min.
Nuts
5/16"-18
Figure 4
CORRECT
Straight
Door Arm
Curved
(Groove
Door Arm
facing out)
20
Inner
Outer
Trolley
Trolley
Clevis Pin
5/16"x1"
Emergency
Release
Handle
Straight
Door Arm
Curved Door Arm
Lock
Washers
5/16"
Bolts
5/16"-18x7/8"
Lock
Washers
5/16"
Bolts
5/16"-18x7/8"
Cut this end
Straight
Door Arm
INCORRECT
Curved
Door
Arm

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