Installation Information - Craftsman 139.53403 Owner's Manual

Assembly
STE P 5
Tighten the Chain and Cable
Loosen Tighten
Inner Outer
Nut Nut
Trolley Chain
J
Base of Tee Rail "
1/2 Inch
CAUTION: Keep the chain from twisting as nuts
are turned.
PROCEDURE: Thread the outer nut toward trolley as
shown (Loosen inner nut first, if"necessary)
Tension is correct when the chain is approximately
1/2" above base of Tee rail midway between cable
pulley bracket and chassis.
To maintain proper tension, turn inner nut toward chain
retainer bracket until tight
Sprocket noise can result if chain is either too
loose or too tight.
CAUTION: Do not overtighten chain and cable.
Refer to Page 5.
ASSEMBLY OF YOUR GARAGE DOOR OPENER IS NOW COMPLETE.
BEFORE YOU PROCEED WITH THE INSTALLATION OF YOUR GARAGE DOOR OPENER BE SURE TO
COMPLY WITH THE FOLLOWING SAFETY RULES:
KEEP GARAGE DOOR BALANCED. STICKING OR BINDING DOORS MUST BE REPAIRED. THE
GARAGE DOOR, THE DOOR SPRINGS, CABLES, PULLEYS, BRACKETS AND TH EIR HARDWARE
MAY BE UNDER EXTREME TENSION AND CAN CAUSE SERIOUS PERSONAL INJURY. DO NOT
A'FFEM PTADJUSTM ENTS. CALLA GARAGE DOOR SERVICEMAN TO MOVE, LOOSEN OR ADJUST
DOOR SPRINGS OR HARDWARE.
DO NOT WEAR WATCHES, RINGS OR LOOSE CLOTHI NG WHILE INSTALLING OR SERVICING A
DOOR OPENER.
AS YOU PROCEED WITH THE REMAINING INSTRUCTIONS IN THIS OWNERS MANUAL, YOU MAY FIND IT
HELPFUL TO REFER TO THE FOLLOWING ILLUSTRATION OF THE FULLY ASSEMBLED AND INSTALLED
GARAGE DOOR OPENER.
Cable Pulley Power Cord
Bracket Trolley Hanging
Bracket \
Chain and Cable 3-Piece
Tee Bait Sprocket
Cover
Header
Bracket
Chain
Retainer
Bracket
Straight LightLens
Curved
Door
Arm
Emergency
Trolley
Release
o o
Chassis
Door Brackel
and Plate
IT IS RECOMMENDED THAT THE OPENER BE INSTALLED 7 FEET OR MORE ABOVE THE FLOOR
WHERE SPACE PERMITS..
CERTAIN INSTALLATION PROCEDURES VARY ACCORDING TO GARAGE DOOR TYPES, WHERE THE
DIFFERENCES OCCUR, BE SURE TO FOLLOW ONLYTHOSE I NSTRUCTIONSWHICH APPLY TO YOUR
DOOR CONSTRUCTION..
9