Installation Instructions

A. Lower and raise the door to test the door balance.
B. If door is easy to close, but hard to open; increase spring tension.
C. If door is hard to close, but easy to open; decrease spring tension.
STEP 9: CHECK DOOR OPERATION
A. Slide head stop from inside of each guide. See figure 8.
B. Secure each head stop to guide with 1/4-20 x 1/2” thread cutting type F hex screw.
STEP 7: HEAD STOPS
FIGURE 8
HEAD STOP
DOOR STOP
CLIP
FIGURE 10
OPTIONAL
BOTTOM BAR
MOUNTED
SLIDE LOCKS
FIGURE 9
STEP 8: DOOR STOP CLIPS, HANDLE(S) AND PULL ROPE
A. Install stop clip at each end on inside of bottom
bar using existing single 1/4-20 x 5/8"
carriage bolt and nut. See figure 10.
B. Install handle(s) on outside of bottom
bar using 1/4-20 x 5/8“ carriage bolts
and nuts.
C. Install rope in one of the holes at the
center of the horizontal leg of the
bottom bar angle.
OPTIONAL: BOTTOM BAR MOUNTED SLIDE LOCKS.
See figure 9 for installation.
STEP 10: ADJUST SPRING TENSION
A. Place 3/8" diameter winding bar in tensioner ratchet wheel. See figure 11.
B. Rotate winding bar in the down direction to increase spring tension. Each engagement of a tooth equals 1/8 turn.
C. To decrease spring tension, pull down slightly on winding bar until pawl disengages tooth. Lift flange on
pawl and move winding bar up until past the pawl/tooth engagement. Allow pawl to rest on ratchet wheel
and continue moving winding bar up until the pawl is fully engaged with the tooth.
D. Remove winding bar and operate door.
E. Repeat steps 10A through 10D as necessary.
NOTE: Latch slide slot in the guide may require adjusting after door installation
due to variances in manufacturing and/or site conditions.
WARNING!
DOOR MUST BE FULLY OPENED
WHEN MAKING ADJUSTMENTS.
TENSIONER
BRACKET
TENSIONER
RATCHET WHEEL
TENSION
LESS
MORE
TENSION
FLANGE ON
TENSIONER
PAWL
WINDING BAR
3/8" DIAMETER3/8" DIAMETER
FIGURE 11
ADJUST
SPRING
TENSION
WARNING!
Installation of door stop clips are required. Failure to properly install clips can cause the door curtain
to travel beyond the guides resulting in door damage and or personal injury.
1/4 20 X 1”
NYLON INSERT NUT
1/4 20
DOOR CURTAIN
HEX BOLT
BOTTOM BAR
ASTRAGAL
ANGLE
HANDLE
DOOR STOP CLIP
DOOR CURTAIN
1/4 20 X 1”
HEX BOLT
BOTTOM BAR
ANGLE
ASTRAGAL
HEX NUT 5/16 - 18
SLIDE LOCK
STEP PLATE
NYLON INSERT NUT
1/4 - 20
FLAT WASHER 1/4”
revised 1/12/12
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