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8

ASSEMBLY STEP 2

Install  Trolley

AS A TEMPORARY STOP, INSERT A
SCREWDRIVER INTO HOLE IN FRONT END OF
TEE RAIL.

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

Slide trolley assembly along rail to screwdriver stop.

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

ASSEMBLY STEP 3

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.

USE ONLY THOSE SCREWS
MOUNTED IN TOP OF OPENER.
FAILURE TO DO SO WILL CAUSE
SERIOUS DAMAGE TO OPENER.

Washered Screw

5/16"-18x1/2"

USE ONLY THIS

TYPE AND SIZE 

SCREW

Tee Rail

(Back Section)

Trolley

Stop Hole

Nut

5/16"-18

Hex Screw

5/16"-18x7/8"

Lock Washer

5/16"-18

Temporary Stop

Screwdriver

Trolley

TO GARAGE DOOR

Threaded

Shaft

Lock Washer

5/16"

Inner Nut

5/16"

Outer Nut

5/16"

Trolley

Washered Screw

5/16"-18x1/2"

USE ONLY THIS

TYPE AND SIZE 

SCREW

Tee Rail

(Back Section)

Trolley

Stop Hole

Nut

5/16"-18

Hex Screw

5/16"-18x7/8"

Lock Washer

5/16"-18

Summary of Contents for 139.18203SR - 1/3 HP

Page 1: ...sembly Instructions 7 Installation Instructions 10 Travel Limit Adjustments 20 CONTENTS PAGE Force Adjustments 21 Safety Reverse Test 22 Setting Changing Code 23 Having a Problem 24 Carton Contents Ha...

Page 2: ...OPERLY GROUNDED OUTLET Fasten a CAUTION LABEL to the wall adjacent to the Wall Push Button and the other to the garage door as reminders of safe operating procedures THE SAFETY REVERSE SYSTEM TEST IS...

Page 3: ...ct 6 Digital Radio Controls Codes can be set and changed easily and as often as you would like 7 Easy Limit Adjustment Limits of door opening and closing adjusted by turning screws without removing op...

Page 4: ...nd vertical reinforcement is required Refer to Step 8 Page 17 4 Cable Pulley Bracket Header Bracket Trolley Straight Door Arm Emergency Tolley Release Door Bracket Plate Garage Door Curve Door Arm Cha...

Page 5: ...fresh air 4 If the door has been stopped in a partially open position it will close 5 If obstructed while closing the door will reverse 6 If obstructed while opening the door will stop Sears offers m...

Page 6: ...smitter may be secured to car sun visor with clip provided Additional transmitters can be purchased at any time Refer to Accessories on page 5 Any new transmitter must be set to the same code as the o...

Page 7: ...Make sure that the directional arrow is pointing toward the front to door Study the illustration CAREFULLY When assembled Tee rail has a front to back position as shown Bolt rail sections together wit...

Page 8: ...les 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...

Page 9: ...REWDRIVER ATTACH SPROCKET COVER TO OPENER Insert back tab in opener slot Bend cover forward and insert front tab in slot on mounting plate TIGHTEN CHAIN CABLE CAUTION Keep the chain from twisting as n...

Page 10: ...oor and mark the inside vertical centerline of garage door Extend the line onto header wall above door 2 Open door to highest point of travel as shown Draw an intersecting horizontal line on header wa...

Page 11: ...12 Measure UP from top of CLOSED door POSITION AND FASTEN HEADER BRACKET AS DESCRIBED AND SHOWN IN NO 3 ON PAGE 10 INSTALLATION STEP 2 Attach Tee Rail to Header Bracket All Door Types 11 PROCEDURE Pos...

Page 12: ...tepladder Open garage door Place a 2x4 on the top section of door near centerline as shown Rest Tee rail on 2x4 as shown INSTALLATION 1 PIECE DOOR WITHOUT TRACK PROCEDURE Measure the distance from flo...

Page 13: ...f each bracket and bend or twist to fit the fastening angles Do not bend at the brackets holes Drill 3 16 pilot holes in the structural supports Attach flattened ends of brackets to supports with 5 16...

Page 14: ...ngside the service door and OUT OF THE REACH OF CHILDREN Run bell wire up the wall and across the ceiling to the opener Secure with insulated staples Receiver terminals and antenna are located on back...

Page 15: ...mergency Release Rope Handle USE EMERGENCY RELEASE ROPE ONLY TO DISENGAGE TROLLEY DO NOT USE ROPE AND HANDLE TO PULL DOOR OPEN OR CLOSED PROCEDURE Thread one end of rope through hole in top of red han...

Page 16: ...cle wired according to local electrical codes DO NOT use a 2 wired adapter DO NOT USE an extension cord PROCEDURE FOR PERMANENT WIRING if required by local codes 16 DISCONNECT THE POWER AT THE FUSE BO...

Page 17: ...dge of door B Directly below any structural support across top of door Placement depends on your particular needs Mark and drill 5 16 TOP and BOTTOM fastening holes Secure bracket as shown All One Pie...

Page 18: ...s Select holes as far apart as possible to increase door arm rigidity FIG C If holes in curved arm are ABOVE holes in straight arm disconnect straight arm Cut about 6 from the solid end Reconnect to t...

Page 19: ...equals 2 of door travel CLOSED DOOR ADJUSTMENT Decrease DOWN limit Turn DOWN limit adjustment screw clockwise 8 complete turns Press Wall Push Button Trolley will travel to full closed position Manua...

Page 20: ...re proceeding to step 2 Use a screwdriver to make limit adjustments IF DOOR DOES NOT OPEN COMPLETELY BUT OPENS AT LEAST FIVE FEET Increase UP travel Turn the UP LIMIT adjustment screw clockwise One tu...

Page 21: ...or doesn t reverse decrease DOWN CLOSE FORCE by turning the control in a counterclockwise direction Make 10 degree turn adjustments until door reverses normally After each adjustment run opener throu...

Page 22: ...PROCEDURE Place a one inch obstacle on the floor under the garage door Operate door in DOWN direction The door MUST reverse on the obstruction If the door STOPS on the obstruction it is not traveling...

Page 23: ...k With a pen or screwdriver change the setting of one or more switch to a or 0 position NOTE Code switches 2 through 9 in ALL transmitters used to operate a receiver must be set to match Code switch 1...

Page 24: ...4 Check to be sure antenna on the rear panel of opener extends fully downward THE GARAGE DOOR OPENS AND CLOSES BY ITSELF 1 Is there a neighbor with a garage door opener using the same frequency code C...

Page 25: ...are broken SEE ABOVE 2 The trolley may be jammed into stop bolts Pull or push on door while motor is humming to release jammed condition Re adjust door limits page 20 to prevent over travel REPEAT SA...

Page 26: ...17 18 1 2 3 5 4 6 7 8 9 10 11 12 13 14 15 16 19 20 21 23 22 26 SEPARATE ALL HARDWARE FOR ASSEMBLY AND INSTALLATION PROCEDURES AS SHOWN BELOW...

Page 27: ...acitor bracket 10 41A3150 Terminal block w screws KEY PART NO NO DESCRIPTION 11 41D3058 Universal replacement motor and bracket assembly Complete with Motor worm bracket bearing assembly RPM sensor 12...

Page 28: ...s Garage Door Opener is defective Sears will furnish a replacement motor free of charge You pay for the labor WARRANTY SERVICE IS AVAILABLE BY SIMPLY CONTACTING THE NEAREST SEARS STORE OR SERVICE CENT...

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