20
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TYP. LH & 
RH TUBING 
1/8”
STEP 1 - PREPARE VEHICLE IF REQUIRED - Continued
2. Weld Liftgate supports, as shown in  
    FIGS. 20-1A, -1B, -1C & -1D.
TYP. AT LH & 
RH SUPPORTS
TYP. AT LH & RH 
SUPPORT GUSSETS. 
MOUNT EACH GUSSET 
FLUSH WITH OUTER 
EDGES OF BODY 
FRAME.
60”
RIGHT  HAND       
(RH) SUPPORT
LEFT HAND (LH)
SUPPORT
36”
Approx.
1/8”
1/8” 2-8
2”
WELDING THE 
FLOOR PLATES
FIG. 20-1A
1/8”
WELDING LIFTGATE SUPPORTS
FIG. 20-1B
WELDING THE GUSSETS
FIG. 20-1C
TYP. AT LH & RH 
SUPPORTS
1/8”
WELDING THE SUPPORTS
FIG. 20-1D
32”
12”
 (MAX. BELOW
  BED HEIGHT)
VEHICLE BODY 
SIDE RAIL
TYP. LH & RH 
FLOOR PLATES
1/8”
1/8”
TYP. AT LH & RH SUPPORT GUS-
SETS. MOUNT EACH GUSSET 
FLUSH WITH OUTER EDGES OF 
BODY FRAME.
TYP. AT LH & RH            
VERTICAL SUPPORTS. 
WELD HERE BEFORE 
WELDING HORIZONTAL 
TUBE & SUPPORT 
GUSSETS.
1/8”
1/8”
TYP. AT LH & RH VERTICAL SUP-
PORTS. WELD HERE BEFORE 
WELDING HORIZONTAL TUBE & 
SUPPORT GUSSETS.
1/8”
1/8”
1/8”
2-8