Victaulic VicFlex AB12, Field Installation Handbook

Page: 66 / 204

I-VICFLEX_66
STYLE AB7 BRACKET
INSTALLATION INSTRUCTIONS REV_A
ALTERNATIVE WOOD JOISTS/STUDS
INSTALLATION (FM ONLY)
1.
Install the flexible hose into the sprinkler piping and the sprinkler reducing nipple onto
the flexible hose by following the applicable instructions in the “Connection to Sprinkler
Piping” and “Connecting the Sprinkler Reducing Nipple to the Flexible Hose” sections.
2. Using a #2 Phillips head screwdriver,
remove the sheet metal screw from only
one end bracket assembly of the Style
AB7 Bracket. Remove the end bracket
assembly from the square bar.
2a. Remove the wing screw from each of the end bracket assemblies.
3. Measure the distance between the wood joists/studs.
3a.
Cut the square bar to the length needed to fit between the two wood joists/studs.
This length shall be measured from the outside of the end bracket assembly (with the
wing screw removed) to the point on the square bar that will butt up against the other
wood joist/stud.
4. Place the end bracket assembly, removed in step 2, onto the end of the square bar so
that the square bar is flush with the outside of the end bracket assembly. Mark the new
location where the sheet metal screw will be re-installed. Drill an
1/8 -inch/3-mm hole at
the mark on the square bar to accommodate re-installation of the sheet metal screw.
5.
Re-install the end bracket assembly to the square bar with the sheet metal screw
removed in step 2.
1½-inch/38-mm Long
#10 Wood Screw
(4 Total)
6.
Install the modified Style AB7 Bracket assembly between the wood joists/studs by
using four, 1 1/2-inch/38-mm long #10 wood screws in the locations noted in the graphic
shown above.
7.
Complete the installation by following the applicable instructions in the “Sprinkler
Reducing Nipple Installation” and “Sprinkler Installation” sections.