Extang CLASSIC PLATINUM & BLACKMAX 7920 Installation Sheet Download Page 2

Extang Corporation, 1901 E. Ellsworth Rd., Ann Arbor, MI 48108, 734 677-0444, Fax: 734 677-8409, Visit us at:

www.extang.com

8

6

Place the rail assembly over the side of the truck box. Center

rails evenly between cab and tailgate. 

(

NOTE

: Some applications

have hard rubber risers (square rubber pad.) A riser must go toward tailgate.

Some applications will have a riser at both ends, (most have no riser).

5

Clamp Spacing 

(Same for each side)

See the stickers located on each side rail for clamp
position, or refer to the dimensions given below.

Note: Remove stickers after installation.

Insert clamp bolt in place.

Do Not Overtighten

Insert bow onto top or bottom peg.

(Top peg for performance, Bottom for good looks.)

Ends are spring loaded

for easy installation.

Push and hold on

spring end and let the

other end slide on with

the spring action.

SPECIAL

FEATURE:

Two pegs

offer two

height

adjustments.

Note:

Bow End does not

fit between pegs.

8

Attach tarp by starting
at the corners, and
snap in place.

EASY USE OF TRUCK BED

Tarp may be rolled up and secured with

Velcro® for bulk hauling

Studs Down

Slides Off

Rotate 180

°

Studs Up

 SUMMER SETTING

Takes up slack in tarp

caused by warm weather.

 WINTER SETTING

Allows more slack in tarp

for cold temperatures.

7

When positioning wall plates be sure that they fit correctly against the truck bed wall.

The plates must seat against the bottom of, and parallel to, the wall indentation.

12

inches

12

inches

Center middle clamp

Note: Measure all distances from screw hole centers.

9

Press wall plate

firmly in place.

Allow wall

plates to set

over night.

For an OVER-THE-RAIL Bedliner

A

DIAGRAM

B

DIAGRAM

Note: For over-the-rail bed liners first refer to Diagrams A and B below.

Upper

Peg

Lower

Peg

Do Not

Place

Between

the Pegs

Start at

Corners

TIGHTER

LOOSER

TIGHTER

LOOSER

TIGHTER

LOOSER

TIGHTER

LOOSER

After wall plates
have set, insert side
rail clamp all the
way into rail.

SPECIAL FEATURE

Weather-adjustable Snaps

Place Clamp

Here

STICKER

For each clamp mark on your bedliner a 1-1/2” x 3” hole

as shown above. Remove clamp. Cut holes in bedliner.

Reinsert side rail clamp. Return to step 6.

Side rail clamped to bed with

bow attached.

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