Craftsman 139.53916D Manual Del Propietário página 25

INSTALLATION STEP 12
Connect Door Arm to Trolley
Follow instructions which apply to your door type as illustrated
below and on the following page.
SECTIONAL DOORSONLY
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. 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.
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 releasehandle toward the opener at a 45°
angle so that the trolley releasearm is horizontal. Proceedto
Adjustment Step 1, page 27. Trolley will re-engage automatically
when opener is operated.
Figure 1
Figure 2
Pulley
i i
/!(i-8" (20crn) rnin.___..),,
I O -_7_ ....
Trolley
Outer
Stop Bolt / Inner I I ', _1
Rin _
Troiley Trolley
g 1ol _ Clevis Pin
r-astener
I IH
5/16"x1"
iOl,_k__
Emergency
,,,, r-'l'-..._ Release
u Door I°1_ Handle
Bracket
I_1
Straight
Door Arm
Clevis Pin
5/16"xl -1/4"
Curved Door Arm
Pulley
Door Bracket
Bolts
E
HARDWARESHOWN ACTUALSIZE
Nut 5/16"-18
Clevis Pin
5/16"xl" (Trolley)
Lock Washer 5/16" ' er
Clevis Pin Hex Bolt
5/16"x1-1/4" (Door Bracket) 5/16"-18x7/8"
Figure 3
Pulley
/ :I(.._8" (20 cm) rain. _..)II
Trolley /// L]
Stop Bolt
///
Lock /o/
Washers/r_-/
Nuts 5/16" /o7
! " z;Bolts
I - 5/t6,,-18x7/8,,
o(.£/ _ Cut this end
25