Connect Door Arm To Trolley (Sectional Door) - Craftsman 139.53663SRT Owner's Manual

Installation Step 13
Connect Door Arm to Trolley
Follow instructions which apply to your door _pe
as illustrated below and on page 27.
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 door) about 2" as shown in Figures l, 2 and 3.
Figure 1:
• Fasten straight door arm section to outer trolley with
the 5/16"xl" clevis pin. Secure the connection with a
ring fastener.
• Fasten curved section to the door bracket in the same
way, using the 5/16"x1-1/4" clevis pin.
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 1
Clevis Pin
5/16"x1-1/4"
Inner Outer
Trolley Trolley
Straight
Curved
Door Arm
Clevis Pin
5/16"x1"
Figure 2
............. ::: ..........
Washers 1o1
II
Nuts 5/16"
/o/ II
5'1 14 lol II
\ _ _ Emergency
\ /o._ _ Release
_/:,_ Handle
_ _ Screws
I Door 5/16"-18x7/8"
Bracket
Hole Alignment Alternative
Figure 3:
• If holes in curved arln are above holes in straight arm,
disconnect straight arm. Cm abom 6" froln the solid
end. Reconnect to trolley with cut etld down as shown.
• Bring arm sections together.
• Find two pairs of holes that line up and join with
screws, lock washers and nuts.
Figure 3
5/16" Zu/ II
Nuts "4
_OOO7
II
"",....,,..,_f _,,. Screws
I _ "_p 5/16"-18x7/8"
" o_ "Cut this end
Hardware Shown Actual Size
©
Nut 5/16"-18
Clevis Pin
5/16"x1" (Trolley)
Lock Washer 5/16" r
Clevis Pin Hex Screw
5/16"x1-1/4" (Door Bracket) 5/16"-18x7/8"
Proceed to Adjustment Step 1, page 28.
Trolley will re-engage automatically when the
opener is operated.
26