Owner`s manual
ASSEMBLY STEP 2
Install the Trolley
Attach the trolley threaded shaft to thetrolley with the lock
washer and nuts as shown.
Lock Inner Nut
As a temporary stop, insert a screwdriver into the hole in the Washer5/16"
front end of the rail. 5/16"
Slidethe trolley assembly along the rail to the Outer Nut _ Trolley __
screwdriver stop. 5/16" _j Thh_ded _""_'_ T_lle
NOTE:If trofley hits against any nuts on the rail, the _ _ _ /.2_"'" _ Y
bolts and nuts were attached from the wrongside Trolley ,_ _ /_/ /
and must be reposifioned. Review Assembly Step ( _-/_ _ __/ P
'
/_ Nut
St°O 5/16-18
Lock Washer
5/16"
ASSEMBLY STEP 3
Attachthe Rail totheMotorUnit
To avoid installation difficulties, do not run the garagedoor opener
until instructed to do so.
• Placethe opener on packing materialto protect the cover. For
convenience,put a support under the cable pulley bracket.
• Removethe two washered bolts mounted in top of motor unit.
• Align the holes in the backsection of the rail with the holesin
the motor unit.
• Fastenthe rail with the two washered bolts previously removed.
Tighten securely.
Use onlythese bolts! Useof any otherbolts will causeserious
damageto dooropener.
• Insert a 5/16"-18x7/8" hex bolt into the cover protection bolt
hole in the rail as shown. Tighten securely with a 5/16" lock
washer and nut.
NOTE:Thisbolt prevents trolley over-traveL Keepa 2" (5 mm)
minimum betweenthe trolley and this bolt whenadjusting travel
limits (seepage 27).
HARDWARESHOWNACTUALSIZE
Hex Bolt Nut
5/16"-18x7/8" 5/16"-18
Lock Washer
5/16"
To avoid serious damage to opener, ONLY use bolts/fasteners
mounted in top of motor unit.