4 5
1: INSTALLING SIDE RAILS (Continued)
I. Adjust side rail ush with top of box, install second clamp on side rail 1/3
rd
from front
of box. Repeat clamping procedure.
J. Adjust side rail ush with top of box, install third clamp at side rail splice (where two
side rail sections meet). Repeat clamping procedure.
NOTE: The third clamp covers the side rail splice and engages grooves on both rails. If
clamp cannot be installed on side rail splice, install third clamp as close as possible to
side rail splice favoring rail section closest to tailgate.
K. At rear of box, place rear clamp as close to tailgate as possible. Adjust side rail
height until ush with top of tailgate. Repeat clamping procedure.
IMPORTANT: To keep side rail secured on truck, ensure clamp teeth engage
grooves on side rail, turn nut nger tight, then use wrench to nish tightening.
3
rd
Clamp
2
nd
Clamp
1
st
Clamp
4
th
Clamp
1/3
rd
from front of box
Centered on side rail splice
NOTE: For trucks with electric tailgates, cover and tailgate should remain closed after
installation for at least 24 hours. During this time period vinyl ap typically conforms to
tailgate allowing electric tailgate to function properly. If interference occurs after this time
period, raise side rail at rear slightly above tailgate.
L. Repeat Step 1 to install side rail on opposite side.
M. Torque all clamps to 20 ft-lbs or value specied in special instructions (if supplied).