Craftsman 139.53626SR - I/2HP Assembly, Attach Tee Rail To Opener Chassis, Use Only, These Screws

Assembly

STEP 2 InstallTrolley

AS A TEMPORARY STOP, INSERT A SCREWDRIVER

INTO HOLE IN FRONT END OF TEE RAIL AS SHOWN.

1.Attach threaded sha_ to trolley with Iockwasher and nuts as shown.

2.Slide trolley assembly along rail to screwdriver stop,

NOTE: If trolley hits against the nut on Tee rail, center section was attached from wrong side and must be repositioned. Review Step 1.

Temporary Stop

Screwdriver

Cuter Nut f

LockWasher

5/16"

Inner Nut \

5/16"

Trolley

STEP 3 Attach Tee Rail To Opener Chassis

USE ONLY THOSE SCREWS MOUNTED IN TOP OF OPENER CHASSIS. FAILURE TO DO

SO WILL CAUSESERIOUS DAMAGETO THE

OPENER.

Washered Screw

5/16"-18x112"

Flex Screw 5/16"-18x71S"

Trolley

PROCEDURE: Place the opener chassis on packing

material to protect the cover. For convenience, place a support under the cable pulley bracket,

Remove 5/16"-18 x 1/2" washered screws mounted in top of opener chassis. Align holes in back end of Tee rail with holes in opener chassis. Fasten the rail to the chassis

Tee Rail . (BackSec_on)

Lod_

5/16"-18

with washered screws previously removed. CAUTION:

USE ONLY	THESE SCREWS!	Use of any other	screws	5/16"-18
will cause	serious damage	to door opener.	Tighten
screws securely.

Insert a 5/16"- 18 x 7/8" hex screw into trolley stop hole in the Tee rail as shown. Tighten securely with a 5/16" lock- washer and nut.

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