ParaBody 917101 Assembly Instructions Manual page 5

FIGURE 3
STEP 3:
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LOOSELY assemble the LOWER SUPPORT (3) and ~'o PLATE HOLDER (15) to the LEFT & RIGHT UPRIGHTS
10) using four 1/2 X 4-1/2" BOLTS (16) and four 1/2" LOCK NUTS (21) as shown in FIGURE