Sears 139.53627SRT Assembly Step, Install the Trolley on the T-rail, Hardware Shown Actual Size

Assembly Step 2

Install the Trolley on the T-rail

•Attach the threaded shaft to the trolley with the lock washer and nuts as shown.

Lock Washer

5/16"

Outer Nut

Trolley

Threaded Shaft

Inner Nut

5/16"

TroIiey

Hardware Shown

Actual Size

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Lock Washer	Nut
5/16"	5/16"-18

Temporary Stop

Screwdriver

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•As a temporary stop, insert a screwdriver into the hole in the front end of the T-rail.

•Slide the trolley assembly along the rail to the screwdriver stop.

If trolley hits against any nuts on the T-rail,the bolts and nuts were attached from the wrong side and must be repositioned. Review Step 1.

Assembly Step 3

Fasten the T-rail to the Opener

•Place the opener on packing material to protect the cover. For convenience, put a support under the cable 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 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 5/16"-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.

Hardware Shown Actual Size

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Hex Screw	Nut	Lock Washer
5/16"- 18x7/8"	5/16"	5/16"

Washered Screw 5/16"-18xl/2"

Hex Screw 5/16"-18x7/8"

Trotley

Stop

T-rail

(Back Section)

5/16"

5/16"-18