Trinity Highway QuadGuard M Wide, Product Description Assembly Manual

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TrinityHighway.com 27 Revision D March 2021
7) Attach Hinge Plates to Diaphragm
Attach Hinge Plates to each Diaphragm so the hinge pivot is toward the front of the system.
Insert 5/8”X4” hex bolts through all hinges. Secure each bolt with 5/8” lock washer and hex
nut (Figure 24). (Typical three places per side on Diaphragms 2-6) Insert Full Length Pin and
secure with 1/4X1” bolt and hex nut on 1
st Diaphragm (Figure 25). See pages 46 and 47 for
additional information.
8) Attach Fender Panels
Important:
Do not mix the 5/8” rail nuts (large) with the 5/8” hex nuts (small)
(Figure 26).
Important:
For proper impact performance, Wide systems must use Hinge
Plates.
Figure 26
Rail Nuts are Oversize
1.25” [32 mm] .94” [24 mm]
5/8 RAIL NUT (LARGE)
5/8 HEX NUT (SMALL)
5/8 RAIL NUT (LARGE)
HINGE PLATE
FENDER PANEL
5/8 RAIL BOLTS
Figure 27 - Hinge Plate to Panel
Figure 25 - Hinge Plate 1
st
Diaphragm Figure 24 - Hinge Plate Diaphragms 2-6
5/8 HEX NUT
5/8 FLAT WASHER
5/8X4 HEX BOLT
HINGE PLATE
FULL LENGTH HINGE PIN
1/4 HEX NUT
1/4X1 HEX BOLT