www.highwayguardrail.com 17 Revised: October 5, 2009
post plates (ears) on the Top and Bottom Posts.
3.
Place a
3
/
8
” (10 mm) Washer (PN-4252G) and a
3
/
8
” (10 mm)
Lockwasher (PN-4258G) under a
3
/
8
” (10 mm) Hex Nut (PN-
6405G) on the inserted bolts to secure.
Note: The bolts can be installed so the nuts are on the inside or
outside of the post plates (ears).
4.
Tighten the nuts to a snug position. The designer does not
recommend a torque requirement for the HBA field assembly
.
5.
Insert a
3
/
4
” (19 mm) diameter x 2
1
/
2
” (63 mm) Hex Head High
Strength Bolt (PN-5148G) in the
13
/
16
” (21 mm) hole of the
HBA™ Post 1 post plates on the side opposite the strut.
Do not install the
3
/
4
” (19 mm) bolt on the strut side of Post 1,
until the strut is ready to be installed.
Note: The bolts can be installed so the nuts are on the inside or
outside of the post plates (ears).
6.
Place a
3
/
4
” (19 mm) Washer (PN-3701G) and a
3
/
4
” (19 mm)
Lockwasher (PN-4699G) under a
3
/
4
” (19 mm) Hex Nut on the
inserted bolt to secure.
7.
Tighten the nuts to a snug position. The designer does not
recommend a torque requirement for the HBA field assembly
.
AT POST 2
Step Actions
1.
Install the Top Post (PN-33877A) at Post 2, by aligning the
holes of the post plates (ears) on the Top and Bottom Posts.
2.
Insert a
3
/
8
” (10 mm) diameter x 2” (50 mm) Hex Head High
Strength Bolt (PN-6321G) in the
7
/
16
” (11 mm) holes.
Note: For the bolt opposite the strut, install it so the nut is on
either side of the post plates (ears). For the
3
/
8
” (10 mm) bolt that
is on the side of the strut, install the bolt through the post plates
(ears) with the bolt head on the same side as the strut.
3.
Place a
3
/
8
” (10 mm) Washer (PN-4251G) and a
3
/
8
” (10 mm)
Lockwasher (PN-4258G) under a
3
/
8
” (10 mm) Hex Nut (PN-
6405G) on the inserted bolts to secure.
4.
Tighten the nuts to a snug position. The designer does not
recommend a torque requirement for the HBA field assembly
.
5.
Insert a
3
/
4
” (19 mm) diameter x 2 ½” (63 mm) Hex Head High
Strength Bolt (PN-5148G) through the
13
/
16
” (21 mm) hole of the
HBA™ Post 2 post plates on the side opposite the strut.
Do not install the
3
/
4
” (19 mm) bolt on the strut side of Post 2,
until the strut is ready to be installed.
Note: The bolts can be installed so the nuts are on the inside or
outside of the post plates (ears).
6.
Place a
3
/
4
” (19 mm) Washer (PN-3701G) and a
3
/
4
” (19 mm)
Lockwasher (PN-4699G) under a
3
/
4
” (19 mm) Hex Nut on the
inserted bolt to secure.
7.
Tighten the nuts to a snug position. The designer does not
recommend a torque requirement for the HBA field assembly
.
AT POSTS 3 THROUGH 8, POSTS 3 THROUGH 7, OR POSTS 3 AND
4
Step Actions
1.
Arrange the Top Posts (PN-33877A), for Posts 3 through 8,
Posts 3 through 7, or for Posts 3 through 4, by aligning the
holes of the post plates (ears) on the HBA™ Top and Bottom
Posts, if used.
2.
Insert a
3
/
8
” (10 mm) diameter x 2” (50 mm) Hex Head Bolt (PN-
6321G) through in the
7
/
16
” (11 mm) holes of the post plates
(ears).
3.
Place a
3
/
8
” (10 mm) washer (PN-4254G) and a
3
/
8
” (10 mm)
Lockwasher (PN-4258G) under a
3
/
8
” (10 mm) Hex Nut (PN-
6405G) on the inserted
3
/
8
” diameter Hex Head Bolt.
4.
Insert a
3
/
4
” (19 mm) diameter x 2
1
/
2
” (63 mm) Hex Head High
Strength Bolt (PN-6321G) through the
13
/
16
” (21 mm) holes.
Note: The bolts can be installed so the nuts are on either side of
the post plates (ears).
Revised: March 2010
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