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Assembly Step 2
Install the Trolley on the Rail
• Attach the threaded shaft to the trolley with the
lock washer and nuts as shown.
Hardware Shown
Actual Size
NUt
LOCkWasher
5/16"
S/t6"-18
Outer Nut
5/16"_
• As a temporary stop, insert a screwdriver into the
hole in the front end of the rail.
• Slide the trolley assembly along the rail to the
screwdriver stop.
If trolley hits against any nuts on the rail, the
bolts and nuts were attached from the wrong
side and must be repositioned. Review Step 1.
Assembly
Step 3
I
Fasten
the Rail to the Opener
I
• Place the opener on packing material to protect the
cover. For convenience, put a support under the
chain pulley bracket.
• Remove the (2) 5/16"-18x1/2" washered screws
mounted in the top of the opener.
• Align the holes in the back section of the rail with
the holes in the opener.
• Fasten the rail with the (2) washered screws
previously
removed. Tighten securely.
Remember
to use only these screws! Any other
screws will cause serious damage to the opener.
• Insert a 5/16"-18x7/8" hex screw into the cover
protection bolt hole in the rail as shown. Tighten
securely with a 5/16" lock washer and nut,
NOTE: This screw prevents trolley over-traveL
Keep a 2" minimum between the trolley and this
screw when adjusting travel limits (see page 24).
Hardware Shown Actual Size
I,t,III,I,I,I,I,I,IID
Hex Screw
Nut
Lock Washer
5/16"-18x718"
5/16"
5/16"-18
5116"-18x112"
Washered Screws
Hex Screw
_
_
5/16°-t 8x7/8"
Covet
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