Craftsman 139.53915D Manual Del Propietário página 25

INSTALLATION STEP 12
ConnectDoorArm to Trolley
Follow instructions which apply to your door type as illustrated
below and on the following page.
SECTIONAL DOORS ONLY
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.
Figure 1:
• Fastenstraight door arm section to outer trolley with the
5/16"x1" clevis pin. Securethe connection with a ring fastener.
• Fastencurved section to the door bracket in the same way,
using the 5/16"x1-1/4" clevis pin.
IMPORTANT." T hegroove on the straight door arm MUST face
away from the curved door arm (Figure 4).
Figure 2:
• 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 3, Hole alignment alternative:
• If holes in curved arm are above holes in straight arm,
disconnect straight arm. Cut about 6" (15 cm) from the solid
end. Reconnectto trolley with cut end down as shown.
• Bring arm sections together.
• Find two pairs of holes that line up and join with bolts, lock
washers and nuts.
Pull the emergency releasehandle toward the opener at a 45°
angle so that the trolley releasearm is horizontal. Proceedto
Adjustment Step 1, page 27. Trolley will re-engageautomatically
when opener is operated.
HARDWARESHOWN ACTUALSIZE
o Oo
Nut 5/16"-18 Lock Washer 5/16" Ring Fastener
Clevis Pin Clevis Pin
5/16"x1" (Trolley) 5/16"x1-1/4" (Door Bracket)
Hex Bolt
5/16"-18x7/8"
Figure 1
Pulley
Figure 2
Ring
Fastener
/
0 Door
Bracket
Curved Door Arm
Clevis Pin 5/16"x1-1/4"
_ Outer
Trolley
Clevis Pin
5/16"x1"
Emergency
-- elease
Handle
Straight
DoorArm
Pulley
\i-- 8"(20 cm) min. !
Lock t
Washers/<
Nuts 5/116" /o_
5/16"-18 .__ro_
Door Bracket
_ _/_lt6s._ 18x7/8,,
Figure 3
Pulley
_! 8" (20 cm) min. ,,
r-1 "),
Oo
Lock
w;; ers b/
Nuts / /o7
5/16"-18_J/_ I/
v Cut this end
Figure4
25
CORRECT INCORRECT