Extang Express Tonno Assembly instructions

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: [phone]
Register your warranty at:
www.extang.com
Item No. 0233-1210RH Printed in U.S.A.
INSTALLATION SHEET
5
NOTICE:
If your truck has a
bedliner that wraps
over any top edges,
the liner will have to
be trimmed to fit this
product.
“L” Channel
w/Seal
Remove paper tape from all
rails. Discard properly.
Foam has NO adhesive to
touch truck finish.
2
PLEASE
DO NOT
LITTER
Wash truck bed.
1
4
With the toolbox in place,
position L Channel against
toolbox and center.
Allen Wrench
U Clamps
(x 6)
Clamp Bolts
Tarp Assembly with Cab
Rail, Tail Rail and Support
Bows attached.
Left and Right
Side Rail Assemblies
Place Side Rails on side walls of truck bed
with plastic end laying over the L-Channel.
Adjusting screws go toward the toolbox.
Locking catch goes on left side toward the
tailgate as shown.
L Channel
3
Center the Side Rail between the
Tailgate and the L-Channel/Toolbox.
Locate three pre-drilled holes on the rail for U–clamps.

Extang Corporation, 1901 E. Ellsworth Rd., Ann Arbor, MI 48108, 734 677-0444, Fax: [phone], Visit us at:
www.extang.com
8
EASY USE OF TRUCK BED
Tarp may be rolled up and secured with buckle
straps for bulk hauling. For more access, tarp
can also be removed completely by loosening
11
Seal the tonno by pressing
the velcro© fastening strips
from the cab end and press
all the way back.
Before using any commercial car wash, push down
both sides of the Velcro© strips. This will reduce the
possibility of water entering the truck bed.
Over time, the velcro might develop a fuzzy
appearance. This is normal and will increase the
holding strength.
For care instructions see tag on underside of tarp
6
8
10
Insert tail rail into the
tailgate block and
rotate it down to the
spring lever. Tarp is
self-tensioning. To release tarp, push down
on spring lever.
Bows can be
detached from the
underside of the
7
9
Engage the narrow edge of the cab rail to the pivot blocks and rotate
the rail down while pulling the cabrail back against the pivot block.
IMPORTANT: If tarp touches toolbox, move side rails back.
Slide the slide blocks outward
so that they engage the wide flange of the side
rail and secure the knurled knobs to tighten.
Unroll your tarp from the cab rail to the
tailgate. The tonno bows are deployed
as the tarp is unrolled. If needed, you can adjust the
alignment of the tailgate rail by
changing the tailgate strap
Prior to driving vehicle make sure both slide
locks at cab rail are secure.
Lay assembled tonno into truckbed
over L Channel.
Insert U-
clamp into
the side rail.
Tighten bolts with small
Allen wrench provided. Repeat
steps 3 and 4 for the other rail.
Tighten clamp bolts
to hold rail in
place.