J&M Roll Tarp GRAVITY BOX (Since 2011) - Manual (Page 10)

9
STEP 8 - TARP BOWS
8.1 Tighten the Small Cable Clamp close to one end of the 3/16” diameter cable.
8.2 Pull the opposite end through the center hole of the front Endcap, over all of the Tarp Bows, then through
the center hole on the back Endcap.
8.3 With the remaining cable pulled through the back endcap, make the cable into a loop using the large
cable clamp but do not tighten.
8.4 Insert the J-Bolt into the the remaining center hole on the back Endplate and hand tighten it with a 3/8”
locknut.
8.5 Hook the cable loop around the J-Bolt and pull the cable taught over the Bows before tightening the
Large Cable Clamp .
8.6 Tighten the locknut until the cable is well taught over the bows.
-NOTE: Use a vise grips on the J-Bolt while tightening to keep it from spinning.
STEP 9 - CABLE
9.1 Position the Tarp Bows on top the Gravity
Box. Be sure to spread the Bows out evenly
from front to back.
9.2 Using the Tarp Bows as a guide, drill holes
with a 1/4 ” drill bit.
-NOTE: There may be existing holes
in the Lip Lock for the bows. If these
holes are not in the correct location, new
holes will have to be drilled through the
lip lock.
9.3 Insert 1/4” x 3/4” bolts and fasten with 1/4”
serrated flange nuts.