www.highwayguardrail.com 24 Revised: October 5, 2009
The cable is considered taut, when it does not deflect more than
1 inch when pressure is applied by hand in an up or down
direction.
8. The shank portion of the anchor cable MUST BE positioned
so it bears on the bottom edge of the web of the HBA post.
The shank portion of the anchor cable must also be
centered horizontally so that the bearing plate bears
uniformly on both flanges of Post 1.
INSTALLING THE ET-PLUS™ EXTRUDER (HEAD)
Complete the following steps to install the ET-PLUS™ Extruder (Head):
Step Actions
1.
Place the ET-PLUS™ Extruder (Head (PN-995A)) over the end
of the rail panel as the final piece to attach to the assembly.
Note: The ET-PLUS™ Extruder (Head) can be used on the left
or right hand shoulder.
2.
Push the ET-PLUS™ Extruder (Head) as far as it will go on the
rail panel, making sure the rail is in the channel chute.
3.
Install the ET-PLUS™ Extruder channel chute approximately
parallel to the ground. The attachment brackets have 3 holes in
each bracket to provide tolerance in the installation.
4.
Select the Option A or Option B for the ET-PLUS™ Extruder
(Head) installation:
Option
A
For Wood post
1. Place the ET-PLUS™ Extruder (Head)
against the wood post, at location 1.
2. Choose the hole in the bracket that is
closest to the center of the post.
3. Drill a
1
/
4
” (6 mm) pilot hole to avoid breaking
the lag screw during installation.
4. Screw one (1)
3
/
8
” (10 mm) diameter x 4”
(100 mm) Lag Screw (PN-4228B) in the top
and bottom bracket. The lag screw must be
screwed into the post to prevent it from
pulling out or cracking the post.
Option
B
For HBA™ post
1. Place the ET-PLUS™ Extruder (Head)
against the HBA™ post, at location 1.
2. Place a
3
/
8
” (10 mm) Round Washer (PN-
4254G) on a
3
/
8
” (10 mm) diameter x 1
1
/
2
”
(38 mm) Hex Head Bolt (PN-4261G).
3. Insert the bolt through the flange of the ET-
PLUS™ Extruder (Head) and the flange of
HBA™ post.
4. Place a
3
/
8
” (10 mm) Fender Washer (PN-
4255G) under a
3
/
8
” (10 mm) Nut (PN-
6405G) on the end of the inserted bolt.
5. Tighten the nuts to a snug position. The
designer does not recommend a torque
requirement for the HBA field assembly.
DELINEATION OPTION FOR THE ET-PLUS™
Install high intensity reflective sheeting (PN-6206B [Right Side] or PN-
6207B [Left Side]) on the front face of the ET-PLUS™ Extruder (Head),
per the state/specifying agency’s MUTCD for options or proper
delineation. Alternate reflective sheeting is PN-6668B. The alternate
reflective sheeting requires two pieces and must be rotated for proper
delineation.
Note: The reflective sheeting is an option to the ET-PLUS
™
and needs to
be ordered separate from the ET-PLUS
™
package.
WARNING: Ensure that your installation, repair, and maintenance
meet all appropriate Manual on Uniform Traffic Control Devices
(MUTCD) and local standards. Failure to follow this warning could
result in serious injury or death in the event of a collision.
Revised: March 2010
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