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Les langues disponibles
ASSEMBLY
STEP
2
Fasten
the Rail
to the Motor
Unit
• 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. Do NOT overtighten.
• Remove the two bolts from the top of the motor unit.
• Place the "U" bracket, flat side down onto the motor
unit and align the bracket hole with the bolt holes.
Fasten with the previously removed bolts.
• Align the rail assembly with the top of the motor unit.
Slide the rail end onto the "U" bracket, all the way to
the stops that protrude on the top and sides of the
bracket.
• Attach spreader to the motor unit with two screws.
HARDWARE
SHOWN ACTUAL
SIZE
Lock Nut
Bolt 1/4"-20x1-3/4"
1/4"-20
To avoid SERIOUSdamageto garage door opener, use ONLY
those bolts/fasteners mounted in the top of the opener.
Chain
Spreader
Belt
I
Cover
Protection
Bolt Hole
\
Motor Unit
Sprocket
I
I
i Lock Nut
ASSEMBLY
STEP
3
Install
the
Idler
Pulley
• Lay the chain/cable beside the rail, as shown. Grasp
the end of the cable and pass approximately
12" (30
cm) 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.
Chain and
Cable
Bolt
Washer
Idler_
Trolley
Bolt W
Screwdriver
I
I
I
I
Bolt
Trolley
Stop Hole
_-_
Grease
\
][
--_
_lnsidePulley
\
II
Lock
t
Washer
_lrey
3/8"
, Nut3J8,,
'7
Cable Link
- Lock
Idler
_
Nut
Pulley
Idler Bolt
HARDWARE
SHOWN ACTUAL
SIZE
Bolt 1/4"-20x1-3/4
Lock Nut 1/4"-20
Nut 3/8"
Lock Washer 3/8"
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