Craftsman 139.53925DS Owner's Manual page 25

iNSTALLATiON STEP t3
Connect Door Arm 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 door) about 2" (5 cm) as shown in Figures 1, 2
and 3..
o 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 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,, Reconnect to 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,
Proceed to Adjustment Step 1, page 27. Trolley will
re-engage automatically when opener is operated..
Figure 1
Inner
Trolley
Ring
Fastener
Straight
Doo_
Bracket
Clevis Pin
5It6"x1-114"
Outer
Trolley
Clevis Pin
5/16"xt"
Curved Door Arm
Re_ease
Handle
Figure 2
HARDWARE SHOWN ACTUAL SIZE
©
Nut 5116"-18 Lock Washer 5/16" Ring Fastener
5116"xl" (Trolfey)
Hex Bolt
5116"xl-t/4"(DoorBraeket) 5/t6"4 8x7/8"
Nuts
5!16"-18
Lock
Washms
5/16"
Bolts
5/16"4 8x718"
Cut this end
Figure 3
25