Install Trolley; Fasten T-Rail To Opener - Craftsman 139.53800SRT Owner's Manual

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Assembly Step 2 I
Install the Trolley on the T-rail
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• As a temporary stop, insert a screwdriver into the _,,_
hole in the front end of the T-railo ._,_._
Slide the trolley assembly along the rail to the _'..-'"
screwd,ver stop
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bolts and nuts were attached from the wronch g .,,"-_Y/
side and must be repositioned. Review Step 1, JJ/_i f /,_
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-,_ _/5t16"-1B
• Insert a 5/16"-t8x7/8" hex screw into the trolley
stop hole in the T-rail as shown° 'Tighten securely
with a 5/16" lock washer and nut, This screw limits
trolley travel in the DOWN direction,
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Assembly Step 3
Fasten the T-rail to the Opener
o Place the opener on packing material to protect
the cover. For convenience, put a support under
the belt pulley bracket.
• Remove the (2) 5/16"-I 8xl/2" washered screws
mounted in the top of the opener°
• Align the holes in the back section of the T-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 5116"-18x7/8" hex screw into the trolley
stop hole in the T-rail as shown. Tighten securely
with a 5/16" lock washer and nut. This screw limits
trolley travel in the UP direction,
Washered Screw
5/16"-18xli2"
5116"
51t 6"-18
Trolley
Hardware Shown Actual Size
Hex Screw Nut Lock Washer
5116"- 18x718" 5116" 5/1 6'
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