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Assembly Step 2
Fasten the Rail to the Opener
Insert a 1/4"-20xl-3/4
bolt into the cover
protection bolt hole on the back end of the rail as
shown. Tighten securely with a 1/4"-20 lock nut.
Remove the two screws from the top of the
opener.
Attach spreaders to the U bracket by snapping
them into place.
Place the U bracket, flat side down, on the opener
and align the bracket holes with the screw holes.
Fasten with the previously removed screws.
Align the rail assembly with the top of the opener,
and slide the rail end onto the U-bracket as far as
it will go.
"U" Bracket
Opener
Sprocket
Hardware Shown Actual Size
)))))))))))) Lo .ot
Bolt 1/4"-20 x 1-3/4
1/4"-20
Cover Protection
Bolt Hole
Lock Nut
Hook Spreader
intoBack Slots,
then SnapTab
into FrontSlot
Assembly
Step 3
Install the Idler Pulley
• Lay the chain/cable beside the rail, as shown.
Grasp the end with the cable loop and pass
approximately
12" of cable through the window.
Allow it to hang until Assembly Step 5.
• Remove the tape from the idler pulley. The inside
center should be pre-greased.
If dry, regrease to
ensure proper operation.
• Place the idler pulley into the window as shown.
• Insert the idler bolt from the top through the rail
and pulley. Tighten with a 3/8" lock washer and
nut underneath the rail until the lock washer is
compressed.
• Rotate the pulley to be sure it spins freely.
• Insert a 1/4"-20xl-3/4
bolt into the trolley stop
hole in the front of the rail as shown. Tighten
securely with a 1/4"-20 lock nut.
I
Chain and
Cable
3/8" Lock
Washer
_--
3/8" Nut
I
Inside Pulley
Idler
Pulley
Bolt
Trolley
Stop Hole
Idler Pulley
©
Hardware Shown Actual Size
Idler Bolt
Bolt 1/4"-20
x 1-314
Lock Nut 1/4'-20
Nut 3/8"
Lock Washer 3/8"
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