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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 securety with a 1/4"-20 lock nuL 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 ihe 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,
• Atlach spreader to the motor unit with two screws
HARDWARE SHOWN ACTUAL BtZE
©
LockNet
Bolt 1/4"_20xl-314" !/4"-20
: CAUTION ]
"ToavoidSEniOusaamaOetog raOedooiOP n r,
useONLYthose boitstfastenersmountedin thetop of
theopener. ]
Motor Unit
"U" Bracket
BOll
Cover
SLIDE RAIL TO STOPS ""
ON TOP AND SIDES
OF BRACKET
Lock Nut
ASSEMBLY STEP 3
Nnstall lhe 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 pro-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 t/4"-20 lock nut.
Chain and
Cable
Idler Belt
HARDWARE SHOWN ACTUAL SIZE
©
Bolt l/4"-20×t.3t4" Lock Nut 1/4%20 Nut 3!8"
Lock Washer 3/8"