Trinity Highway INGAL SS180 M, Assembly Manual

Page: 27 / 65

trinityhighway.com 26 Revision A November 2019
Repair Instructions
Post Impact
Important:
Only the correct parts manufactured specifically for this product by
Trinity Highway may be used to repair a damaged system. Failure to comply may
result in damage to the system and/or an untested effect on the impacting vehicle,
to and including injury or death.
1) Inspect the Frame for bent parts
Replace all frame members that have been damaged. Do not attempt to weld or straighten
parts. Replace the arms in pairs. Refer to the system drawings for the part numbers and
descriptions of the parts.
2) Replace Frame Arm Mounting Bolts
Replace all Frame Arm Mounting bolts. Refer to the system drawings for the part numbers
and descriptions of the parts. All frame attaching bolts are 3/4”-10 G5, Zinc plated cap
screws with 3/4”-10 G5, Zinc plated nuts. Split lock washers are placed under the head
of the cap screws on all fasteners interior to the arm attachment of the FWD section and
attachment of the mid-frame in the REAR section. All outer fasteners are tightened to
120-130 ft-lbs. [163-176 Nm]. The interior fasteners are torqued to 55-60 ft-lbs.
[75-81 Nm]. All fasteners must have thread locker (Red Loctite
®
262 recommended)
applied to the threads prior to assembly (pp. 41-43).
3) Remove Cartridges
Remove the crushed Cartridges.
Warning:
Do not attempt to repair damaged Cartridges. For full impact
capacity, the cartridges will need to be replaced even if only crushed slightly.
4) Assemble Cartridges (p. 19, Figure 17)
Using a forklift and sling, place the Type B Cartridge in position and secure it using the flat
washers, lock washers and nuts provided. Torque the nuts to 90 ± 5 ft-lb [120±7 N-m].
Insert the Type A Cartridge between the mid-frame flanges and anchor it to the assembly
with 1/2-13 G5 hex cap screws and 1/2” flat washers. Use medium threadlocker on the bolt
threads (Blue Loctite
®
242 recommended). Torque bolts to 65 ± 5 ft-lb [88±7 N-m] (pp
44-45).