Craftsman 139.53315SR Owner's Manual page 9

Assembly
Hit I i, ,,i
I III I ,I,
STEP 5
, ,, , H,,"H I I="=
I IIIlllll II I , H,,I
Tighten the Chain and Cable
HI ,I,,H,, , ..................................
Loosen Lock Tighten
Tro({_
Chin
i
Base of Tee R_I
.,-.--- 1/2 Inch
CAUTION: Keep the chain from twisting as nuts are
turned.
PROCEDURE: Thread the outer nut toward troltey as
shown. (Loosen inner nut first, if necessary.)
Tension is correct when the chain is approximately 1t2"
above the base of the Tee rail, midway between puIley
bracket and chassis.
To maintain proper lension, make sure inner nut is re-
tightened.
Sprocket noise can result if chain is either too loose
or too tight,
CAUTION: Do not overtighten the chain. Refer to
Page 3.
ASSEMBLY OF YOUR GARAGE DOOR OPENER IS NOW COMPLETE.
BEFORE YOU PROCEED WITH THE INS'I'ALLATION OF YOUR GARAGE DOOR OPENER, BE SURE TO COMPLY WIT_
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
3"0 REFER TO THE FOLLOWING ILUJSTRATION OF THE FULLY ASSEMBLED AND INSTALLED GARAGE DOOR OPENER°
: ...............iii1,_ ,i H N HHHI llJ,ll,I, ................................. HI H HI,HHI
Light
Arm Lens O O
Eme_ency
Trolley
Release
Chessis
Power Cord
Curved
Door
oDoor Arm
.... ,ll, ii ii i i i ,, i i i i,ii,i i i , _,ul,,,.., i i ii ,i
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.