Trinity Highway MATT, Assembly Manual

Page: 36 / 44

TrinityHighway.com
February 2022
STEP 16
MATT™ Nuts To Be Torqued And Cable
Tensioning
PARTS INSTRUCTIONS
Reference: SS-6288
1. Ensure all bolts identified above and installed loosely ensuring bolt is
seated for this step in earlier Steps are torqued to 65 ft-lb [88 Nm] (+/-3
ft-lb) [+/-4 Nm] using a calibrated torque wrench.
2. Ensure the 1” flat washers installed in Step 14 under the bolt head
attaching the MATT™ 10 Gauge Head Rail are centered on the bolt head
before tightening.
3. Ensure that the bent portion of the Cable Anchor Bracket Angle (See Step
11) at CR Post 1 is up and hooked over the MATT™ CR Post 1 Top.
4. Restrain the cable with locking pliers and/or a pipe wrench while
tightening nut with a wrench, at the end being tightened to avoid twisting
the cable.
5. Tighten the cable until it is taut. The cable is considered taut when it does
not deflect more than 1” [25 mm] when pressure is applied by hand in an
up or down direction.
Use only Trinity Highway parts that
are specified herein for the MATT™
for assembling, maintaining, or
repairing the MATT™. Do not utilize
or otherwise commingle parts from
other systems even if those systems
are Trinity Highway systems.
WARNINGS
Ensure all bolts identified above and installed loosely ensuring
bolt is seated for this step in earlier Steps are
torqued to 65 ft-lb
[88 Nm] (+/- 3 ft-lb) [+/- 4 Nm] using a calibrated torque wrench.
Ensure the 1” flat washers installed in Step 14 under the bolt head
attaching the MATT™ 10 Gauge Head Rail are centered on the
bolt head before tightening. Ensure cable is taut.
Failure to follow these warnings could result in serious injury or
death in the event of a vehicle impact with the system
.
Number in balloon represents the number of “W”, 5/8” x 2” GR Bolts,
Grade 5 (A325), and “Z”, 5/8” Heavy Hex Nuts, A563 DH that are
torqued to 65 ft-lb [88 Nm], (+/-3 ft-lb) [+/-4 Nm], at each location.