Part N
umber
6410T0006
Version 4/23/2010
16
BOTTOM BEAM EQUIPPED WITH SELF-REPAIRING DEVICE™ OPTION.
A.
Starting on one side, install a counter balance spring into one side frame by hooking the spring tang
in the side frame bottom plate bracket and standing it upright inside the side frame.
B.
Each spring has a tag indicating the door serial number, spring size, number of pre-wraps on cable
drums, and spring pre-stretch distance. Using a tape measure, determine and mark the inside of the
side frame to indicate the pre-stretch point of the spring.
NOTE
USING A PERMANENT MARKER, WRITE THE SPRING TAG INFORMATION ON THE
INSIDE OF THE SIDE FRAME FOR FUTURE REFERENCE.
C.
Clamp the intermediate pulley bracket in an upright position with center hole placed at the pre-stretch
point (
Figure 8
).
D.
Unroll cables and lay out to full length. Ensure that they are not twisted and there are no kinks in the
cable itself. Starting on one side (left-hand or right-hand), attach the looped end of the cable to the
cable drum at the attachment point (
Figure 7
).
E.
Starting at the cable drum, feed the other end of cable from front to back going underneath the cable
drum and around. Place the stated number of pre-wraps on the cable drum as indicated on the spring
tag. Ensure the cable is run in the cable grooves, in order, with none of the grooves being skipped or
crossed (
Figure 9
).
Summary of Contents for RAPID-ROLL 570
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