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10. ADJUSTING DOOR SPRING TENSION
10.1 A properly tensioned door should be balanced
(does not fall closed or spring open) when opened to
waist level. Step on the handle to close door fully.
10.2 To add tension, insert winding bar in the
rectangular hole in the tension wheel and pull down
until ratchet clicks. Move up slightly until ratchet locks
in place (See Figure 14). If more tension is needed,
move winding bar to the next hole in the tension
wheel and repeat as necessary.
10.3 To remove tension, insert winding bar into
tension wheel and move down 1” to unlock ratchet.
Push the tension lock pin toward wall and raise
winding bar 2”. Release tension lock pin. Move up 1/8
turn until the ratchet locks in place.
10.4 If door has two tensioners be sure to equally add
or remove tension to each side of door.
11. OPTIONAL FIELD INSTALLED
DRAFT STOP OR BRUSH SEAL
11.1 Close the door before installing the draft stop.
Note that with the door down, the curtain may “bow”
slightly near the top; this bowing is normal. For the
draft stop to be effective, it should follow the “bow” in
the door curtain so that it stays in contact across the
entire width of the door curtain. Starting at one end,
attach to header every 9” with appropriate fasteners. If
necessary, trim excess at other end.
11.2 Close the door before installing the brush seal.
Position brush seal so it just touches the flat portion of
the inside of the curtain (See Figure 15). Fasten brush
seal to jamb every 12” with appropriate fasteners.
Figure 15
Components under extreme spring tension can cause SERIOUS INJURY or DEATH. Adjustments and repairs must
be made by a qualied door mechanic using proper tools and instructions. Do NOT attempt to adjust door tension
unless the door is in the “UP” position. Winding bar should be solid steel 1/2” diameter rod or 3/8” x 1/2” at.
WARNING
!
TENSION
LOCK PIN
WINDING
BAR
MORE
TENSION
LESS
TENSION
TENSION
WHEEL
DOOR JAMB
BRUSH SEAL
CURTAIN
DOOR GUIDE
Figure 14
CAUTION
!
Spring Tension is Critical: Improper tensioning of the
spring(s) can result in door damage and reduce the
life of your door. The door should not slam up or down
during operation. No warranty claims will be honored
due to damage caused by improperly tensioned
spring(s).
944_Manual_522000revH_818 color.indd 10 9/10/2018 1:36:47 PM
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