Trinity Highway INGAL SS180 M, Assembly Manual

Page: 17 / 65

trinityhighway.com 16 Revision A November 2019
5) Mount the Support Brackets to Socket Receivers
Mount the Support Brackets to the Socket Hitches as shown in Figure 12. Shims are used to level
the system. It is recommended that two (2) 1/4" Shims per side be used initially. This may be
adjusted once the system is assembled.
2 1/2” X 3 1/4/”
BAR WASHER
TRUCK FRAME
SOCKET HITCH
3 1/4”X3 1/4”
BAR WASHER
SUPPORT
BRACKET
1” HEX NUT
1” LOCK WASHER
1” FLAT WASHER
12GA SHIM
Figure 12
1/4” SHIMS (TWO PER SIDE
RECOMMENDED AT INITIAL SETUP.
LEVEL THE TMA BY ADJUSTING
THE NUMBER OF SHIMS
1” FLAT WASHER
1X3 1/2” HEX BOLT
6) Attach the Support Frame / Backup to the Attachment Assembly
Move the system to the truck and pin the Support Frame/Backup Assembly to the Support Brackets
(Figure 13). The system is to be assembled as a whole unit. Use forklift slings to support the system.
Use the upper set of mounting holes for the attachment.
UPPER
MOUNTING
HOLES
SUPPORT FRAME /
BACKUP ASSEMBLY
1-1/4 X 7” HITCH PIN
Figure 13
ADD SHIMS TO LEVEL
SYSTEM (STEP 7)