4
1: INSTALLING SIDE RAILS (Continued)
E. Position side rail with weather strip
against inside lip of box. Push side rail
forward until it touches front of box.
IMPORTANT: Ensure strike is positioned
at rear of box.
Top of side rail
ush with top side
of box at front
Strike at
rear
F. At front, adjust top of side rail until ush
with top of box and hold with assistance of
another person or a spring clamp.
G. Install rst clamp as close to front of
box as possible with clamp orientation that
provides best grip, turn nut nger tight, then
use 1/2" wrench to tighten.
IMPORTANT: To keep side rail secured
on truck, ensure clamp teeth engage
grooves on side rail.
Position 1st clamp as close
to front of box as possible
NOTE: Images below illustrate clamping options. Option A depicts standard clamping
orientation lower on the rail. Option B depicts alternate clamping orientation with half of
clamp assembly rotated 180° to provide better grip at top of rail.
H. Verify side rail is level. If side rail is not level, perform one of the following:
If side rail tilts up: loosen and lower clamp, engage teeth and then retighten clamp.
If side rail tilts down: loosen and raise clamp, engage teeth and then retighten clamp.
This surface of
side rail should
be level
Top of tailgate
Adjust clamps
up or down until
they hold side
rail level when
tightened
Top of side rail ush
with top of box or
tailgate
OPTION A OPTION B
This surface of
side rail should
be level
Top of tailgate
Adjust clamps
up or down until
they hold side
rail level when
tightened
Top of side rail ush
with top of box or
tailgate
