Install Trolley - Sears 39.18205SR - 1/2 HP Owner's Manual

ASSEMBLY STEP 2

Install Trolley

AS A TEMPORARY
SCREWDRIVER INTO HOLE IN FRONT END OF
TEE RAIL.
Attach threaded shaft to trolley with lock washer and
nuts as shown.
Temporary Stop
Screwdriver
(Back Section)
ASSEMBLY STEP 3
Lock Washer
Fasten Tee Rail to opener
PROCEDURE: Place the opener on packing
material to protect the cover. For convenience,
place a support under the cable pulley bracket.
Remove the (2) 5/16'-18x1/2" washered screws
mounted in the top of the opener. Align holes in
back end of Tee rail with holes in opener. Fasten the
rail with the (2) washered screws previously
removed and tighten securely.
CAUTION: USE ONLY THESE SCREWS. Use of
any other screws will cause serious damage to
door opener.
Insert a 5/16"-18x7/8" hex screw into trolley stop
hole in Tee rail as shown. Tighten securely with a
5/16" lock washer and nut.
STOP, INSERT
Inner Nut
5/16"
Trolley
Washered Screw
5/16"-18x1/2"
Hex Screw
5/16"-18x7/8"
Trolley
Stop Hole
Tee Rail
5/16"-18
Nut
5/16"-18
A
Outer Nut
5/16"
Lock Washer
5/16"
Threaded
Shaft
Slide trolley assembly along rail to screwdriver stop.
NOTE: If trolley hits against nut on Tee rail, bolts
USE ONLY THIS
and nuts were attached from the wrong side and
TYPE AND SIZE
must be repositioned. Review Step 1.
SCREW
Hex Screw
5/16"-18x7/8"
Trolley
Stop Hole
Tee Rail
(Back Section)
Lock Washer
5/16"-18
Nut
5/16"-18
8
Trolley
USE ONLY THOSE
MOUNTED IN TOP OF OPENER.
FAILURE TO DO SO WILL CAUSE
SERIOUS DAMAGE TO OPENER.
Washered Screw
5/16"-18x1/2"
SCREWS
USE ONLY THIS
TYPE AND SIZE
SCREW