Extang Tool Box Tonneaus: Extang RT Tool Box Tonneau - Manual

8
inches
8
inches
Position Side Rails on side walls of truck
bed. Adjusting screws go toward the
toolbox. Locking catch goes on left side
toward the tailgate as shown.
PARTS INCLUDED IN YOUR KIT. You may want to lay them out in this manner for accessibility.
MISSING PARTS???
call Extang at
1-800-877-2588
Any and all needed parts
will be shipped
to you directly.
(DO NOT return
whole kit to store)
Extang Corporation
1901 E. Ellsworth Rd.
Ann Arbor, MI 48108
734 677-0444, Fax: 734 677-8409
Register your warranty at:
www.extang.com
I t e m N o . 0 1 4 0 - 0708 RH P r i n t e d i n U . S . A .
INSTALLATION SHEET
3
5
Allen Wrenchs
(2 sizes)
Left and Right
Side Rail Assemblies
NOTICE:
If your truck has
a bedliner that
wraps over any
top edges, the
liner will have to
be trimmed to fit
this product.
Tarp Assembly with Cab
Rail, Tail Rail and support
Bows attached.
Optional Rail Shims
(set of 4)
Rail Clamp
Assemblies with
tie downs
(x 4)
If necessary, add one
rail shim behind each
clamp (4, total).
Tarp
Buckles
(x2)
“L” Channel
w/Seal
Remove paper tape from all rails.
Discard properly.
Foam has NO adhesive
to touch truck finish.
2
P L E A S E
D O N O T
L I T T E R
Wash truck bed.
1
4
Insert Pre-
assembled
clamp into
the side rail.
Hook slot of
flat clamp into
lip in side rail.
Raise C-
shaped
inner clamp to
highest
position.
Hand-
tighten
clamp bolts
to hold rail
in place.
(Note: On some vehicles, the down-
standing box flange has a sloping
surface; with these vehicles it may
be necessary to move inner clamp
up and down and to shim rail so
that rail is flat.)
One at a time, position rail to the rear so
that rubber end plug is against closed
tailgate. Position two clamps on the rail
and 8” from the front and back.