www.highwayguardrail.com 26 Revised: October 5, 2009
MAINTENANCE AND REPAIR INSTRUCTIONS
* IMPORTANT MAINTENANCE AND REPAIR INSTRUCTIONS *
Always keep the Manual in a location where it is easily accessed by
persons who install, maintain, or repair the ET-PLUS™ systems. If you
have any questions concerning the information in this Manual or about
the ET-Plus™ systems, contact the state/specifying agency, then Trinity
Highway Products, LLC. at 800-527-6050.
WARNING: Use only Trinity Highway Products’ parts on the ET-
PLUS™ systems for installation, maintenance, or repair. The
installation or co-mingling of unauthorized parts is strictly
prohibited. Failure to follow this warning could result in serious
injury or death in the event of a vehicle impact with a system that
has not been accepted by the Federal Highway Administration
(“FHWA”). The ET-PLUS™ systems and its component parts have
been accepted for state use by FHWA. However, a co-mingled
system has not been accepted.
WARNING: Ensure that the necessary traffic control is setup and
any debris that has encroached onto the traveled way or shoulder
has been removed, before beginning installation or repairs. Failure
to follow this warning could result in serious injury or death in the
event of a collision.
WARNING: Safety measures, incorporating traffic control devices,
must be used to protect all personnel while at the installation,
maintenance, or repair site. Failure to follow this warning could
result in serious injury or death to the workers and/or bystanders.
Trinity Highway Products offers an economical and effective truck
mounted attenuator, the MPS-350, for the protection of workers in
work zones. For more information on the MPS-350, call 800-644-
7976 or visit the Trinity Highway Products website at
www.highwayguardrail.com.
WARNING: Do NOT perform installation, maintenance, or repair if
the ET-PLUS™ systems site, shoulder, or traveled area are
covered or encroached by road debris. Failure to follow this
warning could result in serious injury or death in the event of a
collision.
WARNING: Ensure that all Guardrail products and delineation
used meet all federal, state/specifying agency, and local
specifications. Failure to follow this warning could result in serious
injury or death in the event of a collision.
MAINTENANCE
Complete the following steps, periodically, to check the safety of the
system:
Step Actions
1.
Ensure the nuts have not been removed from the cable.
Replace nuts, if needed.
WARNING: Use only Trinity Highway Products’ parts on
the ET-PLUS™ systems for installation, maintenance, or
repair. The installation or co-mingling of unauthorized
parts is strictly prohibited. Failure to follow this warning
could result in serious injury or death in the event of a
vehicle impact with a system that has not been accepted
by the Federal Highway Administration (“FHWA”). The
ET-PLUS™ systems and its component parts have been
accepted for state use by FHWA. However, a co-
mingled system has not been accepted.
2. Ensure the end fitting on the anchor cable MUST BE
positioned vertically, up flush against the bottom web of the
top section of the post. The end fitting of the cable MUST be
centered horizontally so that the bearing plate bears
uniformly on both flanges of Post 1.
3.
Ensure the cable is taut. 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. Tighten, if needed.
4. Ensure the bearing plate has not rotated.
Note: The cable bearing plate MUST BE oriented with the
“long” dimension turned up. The hole in the bearing plate is
Revised: March 2010
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