Table of Contents
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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.
o Remove the two bolts from the top of the motor uniL
, Place the "U" bracket, fiat side down, on the motor unit
and align the bracket holes with the bolt holes Fasten
with the previously removed bolts.
° Align the rai! 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,
To avoid sERIOus damageto garagedoor opener,use ONLY
those be ts/fastenersmountedin the top of the opener..
"U" Bracket
Boil
{ Cover
Motor Unit
Belt Pulley
/
HARDWARE
SHOWN ACTUAL SIZE
Bolt I14"-20xl-3!4"
t/4"-20
SLIDE RAiLTO STOPS
ON TOP AND StDES
OF BRACKET
Loc_kNu!
ASSEMBLY
STEP
3
install
the
Idler
Pulley
o Lay the belt beside the rail, as shown.. Grasp the end
with the hooked trolley connector and pass
approximately 12" (30 cm) of belt through the window,.
Keep the ribbed side toward the rail, and 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
Bolt
Trolley
Grease
Stop F_
_--
Inside
Pulley
Lock Washer
_
Idler Pulley
_- Nut 3 ,_"
,,,,,,_..
Y
Conneclor
Pulley 1
1
!
I_
Lock
Nut
Idler Boll
HARDWARE
SHOWN
ACTUAL
SIZE
Boll 114"-20xt-3/4"
Look Nut 1/4"-20
Nut 318"
Lock Washer 3.,'8"
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