Assembly step 5, Tight, N the chain and cable – Craftsman 139.53625SR User Manual
Page 9
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Assembly
STEP 5
Tight
0
n the Chain and Cable
Loosen
Inner
Nu!
Lock Tighten
Washer Outer
Nut
Tmiley
Ь о \
Chain
.....
:ММ1р1(МвП1МШН
1
/a inch
CAUTION: Keep the chain from twisting as nuts are
turned.
PROCEDURE: Ttiread the outer nut toward trolley as
shown. (Loosen inner nut first, if necessary,)
Tension is correct when the chain is approximately 1/2"
above the base of the Tee rail, midway between pulley
bracket and chassis.
To maintain proper tension, make sure inner nut is re
tightened.
Sprocket noise can result if chain is either too loose
Of too tight.
CAUTION: Do not overtighten the chain. Defer ta
Page 3.
Base of Tee Rail
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
ALL SAFETY RULES.
KEEP GARAGE DOOR BALANCED. STICKING OR BINDING DOORS MUST BE REPAIRED. THE GARAGE DOOR,
DOOR SPRINGS, CABLES, PULLEYS, BRACKETS AND THEIR HARDWARE ARE UNDER EXTREME TENSION
AND CAN CAUSE SERIOUS PERSONAL INJURY. DO NOT ATTEMPT TO LOOSEN, MOVE OR ADJUST THEM.
CALL A GARAGE DOOR SERVICEMAN.
DO NOT WEAR WATCHES, RINGS OR LOOSE CLOTHING 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 ILUJSTRATION OF THE FULLY ASSEMBLED AND INSTALLED GARAGE DOOR OPENER.
IT IS RECOMMENDED THAT THE OPENER BE INSTALLED 7 FEET OR MORE ABOVE FLOOR WHERE SPACE PERMITS
CERTAIN INSTALLATION PROCEDURES VARY ACCORDING TO GARAGE DOOR TYPES. WHERE THE DIFFERENCES
OCCUR, BE SURE TO FOLLOW ONLY THOSE INSTRUCTIONS WHICH APPLY TO YOUR DOOR CONSTRUCTION.