INSTALL FIRE BOLT
10 / 12
SHORTEN TOP ROD / EXTEND TOP ROD
CUT TOP ROD
EXTEND TOP ROD
For 7'
High door
For 8'
High door
For 10'
High door
36
¹⁄8
"
(916 mm)
48
¹⁄8
"
(1221 mm)
23
²⁷
/
32
"
(605 mm)
48
¹⁄8
"
(1221 mm)
Cut off from flat
end of rod
Step 1: Rod must be shortened if door height is less than 84". Make sure
that the rod is shortened (cut-off) on the flat end of the rod.
Step 2: Tap #1/4-20; 1" deep.
If door height is more than 84", the top rod can be extended (special order)
using an rod extension adaptor, two spring washers and a second rod with
threaded holes at both ends.
4"-6"
3 ³/
4
" minimum
NOTE:
Fire rated exit device with Less Bottom Rod (LBR) application must use a FIRE BOLT
NOTES:
1. Prepare door edge as indicated for the Fire Bolt. Position Fire Bolt 4" to 6" above the finished floor
2. Drill 1" hole in the door edge as indicated and drill and tap for #8-32 machine screws
3. Install Fire Bolt on edge of door and fasten with supplied screws
4. Mark the plug hole on the frame in line with the fire bolt. Drill 1" diameter hole x 1
³⁄4
" deep on frame or
inactive door edge at same height as the Fire bolt and install strike hole plug
#8-32 TAP
Auxiliary Fire Bolt
DXAFL
Strike
Hole
Plug
1.01"
(25.6 mm)
1" (25.4 mm) Hole
x 3
³⁄8
" (85 mm) Deep
1/16"
(1.6 mm)
Thick
1.78"
(45 mm)
Recess required if gap between door
and frame is less than 1/8" (3 mm).
Example:
Amount to cut-off = 84" - (Actual Door Height)
Amount
to
Cut Off
Actual
Door
Opening
Height
TOP ROD
AVAILABLE
LENGTHS
84"
(2133 mm)
USING DEFAULT
VERTICAL RODS
FOR 7FT DOOR*
(*) If exit device is installed at location as shown on p.5
Adaptor
Spring/Lock Washer
Extension Rod
Top Rod
