Sectionaldoorsonly - Craftsman 139.53902D Manual Del Propietário

INSTALLATION STEP 13
ConnectBoor Arm to Trolley
Follow instructions which apply to your door type as illustrated
below and on the following page.
SECTIONALDOORSONLY
• Make sure garage door is fully closed. Pull the emergency
releasehandle to disconnect the outer trolley from the inner
trolley. Slide the outer trolley back (away from the door) about
2" (5 cm) as shown in Figures 1, 2 and 3.
• Figure1:
- Fastenstraight door arm section to outer trolley with the
5/16"x1" clevis pin. Secure the 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: Thegroove 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 release handle toward the opener at a 45°
angle so that the trolley release arm is horizontal. Proceedto
Adjustment Step 1, page 27. Trolley will re-engage
automatically when opener is operated.
HARDWARESHOWN ACTUALSIZE
Nut 5/16"-18 Lock Washer 5/16"
Clevis Pin Clevis Pin
5/16"xl" (Trolley)
Ring Fastener
°i
Hex Bolt
5/16"x1-1/4" (Door Bracket) 5/16"-18x7/8"
Figure 1
Figure 2
Figure 3
Figure 4
Inner Outer
Trolley Trolley
Ring
Fastener
Straight
o
Door
Bracket
Clevis Pin
5/16"xl"
Release
Handle
Curved Door Arm
Clevis Pin
5/16"x1-1/4"
Washers/o/ II
5/16" /o/ II
Nuts I /O/
II
L)_-.-,.._ -'_'-_ _ t Bolts
r\---J 5/16,,-18x7/8,,
j "Door Bracket
Lock
Washers
5/16"
Nuts
5/16"-18
p
Bolts
5/16"-18x7/8"
Cut this end
CORRECT iNCORRECT
25