Bestop 76303 User manual

Installation Instructions
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INSTALLATION TIME SKILL LEVEL
1-1/2 Hours 2 - Moderately Easy
TOOLS
Supertop for Truck
Vehicle Application:
7/16" and 9/16" 1/8" Bit
•Chevrolet Silverado 1500 / 2500 / 3500 6.5 ' Bed
1999 - 2011
Part Number: 76303
•GMC Sierra 6.5 ' Bed
1999 - 2011
Part Number: 76303
US Patent 6827391

Supertop for Truck Installation Instructions
Rev. G 0713 76303 pg. 2
Parts List and
Hardware Identification
Supertop Fabric Qty - 1
Side Panel, Right Qty - 1
Side Panel, Left Qty - 1
Rear Window Qty - 1
32" Buckle Straps Qty - 2
Elastic Garter Qty - 2
Foam Tape, 14' Qty - 1
Tension Straps Qty - 2
Tailgate Bracket,
Right, Part Number
412.08, Qty - 1
Bulb Seal, Part
Number 413.03, Qty - 1
1/4" x 1-1/2" Clevis Pin, Part
Number 410.95, Qty - 2
1/4-20 Cap Nut, Part Number
198.27, Qty - 12
#8 x 1/2" Self Tapping Screw,
Part Number 312.09, Qty - 1
1/4" Flat Washer, Part
Number 21.117.10, Qty - 14
Bow Tie Down Assembly,
Part Number 194.04, Qty - 2
Clamp, Part Number
411.75, Qty - 4
1/4" Fender Washer, Part
Number 410.94, Qty - 4
5/16" Flat Washer, Part
Number 117.26, Qty - 4
Tailgate Bracket,
Left, Part Number
412.09, Qty - 1
Bow Mount Bracket,
Left, Part Number
412.85, Qty - 1 Bow Mount Bracket,
Right, Part Number
412.84, Qty - 1 5/16" x 3/4" Clevis Pin, Part
Number 410.96, Qty - 2
Hitch Pin Clip, Part Number
409.71, Qty - 4
Rear Belt Rail, Right, Part
Number 413.46, Qty - 1
Rear Belt Rail, Left, Part
Number 413.47, Qty - 1
Front Bow Half, Part
Number 412.96, Qty - 2
Bow Coupler, Part Number
413.00, Qty - 3
Third Brake Light, Part
Number 397.52, Qty - 1
Front Belt Rail,
Right, Part
Number 496.20,
Qty - 1
Front Belt
Rail, Left, Part
Number 496.21,
Qty - 1
Rear Bow, Left, Part
Number 496.27, Qty - 1
Tailgate Bar, Part
Number 496.54,
Qty - 1
Rear Bow, Right, Part
Number 496.26, Qty - 1
Inner Retainer Bar,
Part Number 499.90,
Qty - 1
Outer Retainer Bar,
Part Number 499.91,
Qty - 1
Front Retainer Bar Bracket,
Right, Part Number 497.16,
Qty - 2

Supertop for Truck Installation Instructions
Rev. G 0713 76303 pg. 3
Mount Tailgate Brackets to
Rear Belt Rails
Assemble Retainer Bar
Locate the Bow Mount Brackets in the parts kit. Slide a 5/16" Flat Washer
over a 5/16" x 3/4" Clevis Pin. Insert the pin through the rear pivot hole on the
Bow Mount Bracket from the outside.
Slide a 1/4" Fender Washer over a 1/4" x 1-1/2" Clevis Pin and insert the pin
through the front slot of the Bow Mount Bracket from the outside.
Repeat this with both Bow Mount Brackets.
Assemble Bow Mounts Brackets
Locate the Right Front and Rear Belt Rails. Place the ends of the rails against
each other. Place the Right Bow Mount Bracket on top of the Belt Rails. Secure
the bracket to the rails with four (4) 1/4-20 Cap Nuts 1/4" Flat Washers.
Repeat this with the Left Side Bow Mount Bracket and Belt Rails.
Assemble Main Bow Mount Brackets
and Belt Rails
Right Rear Belt Rail
Right Tailgate Bracket
1/4-20 Cap Nut
Bow Mount Bracket
Rear Pivot
Hole Front Slot
5/16" Flat Washer
5/16" x 3/4" Clevis Pin
1/4" x 1-1/2"
Clevis Pin
1/4" Fender Washer
Bow Mount
Bracket
Rear Belt Rail
Front Belt Rail 1/4-20 Cap Nuts
Locate the Right Tailgate Bracket and the Right
Rear Belt Rail in the parts kit. Place the Right Tail-
gate Bracket over the rear stud on the Belt Rail so
that the bracket tab points away from the channel
on the Belt Rail. Use a 1/4-20 Cap Nut and 1/4" Flat
Washer to secure the bracket to the rail.
Repeat with the Left Tailgate Bracket and Rear Belt
Rail.
1/4" Flat
Washer
Locate a Front Retainer Bar Bracket and the Right
Front Belt Rail. Place the bracket over the front stud
which is the one that is 1 1/2" from the front of the
rail. Use a 1/4"-20 Cap Nut and 1/4" Flat Washer to
secure the bracket to the rail.
Repeat with the Left Front Belt Rail.
Mount Front Retainer Brackets to Front
Belt Rails
Right Front
Belt Rail
Front Retainer
Bar Bracket
1/4"-20
Cap Nut
1/4" Flat
Washer
1/4" Flat Washers
Assemble the two Retainer Bar halves by sliding the
inner half into the outer half and align the pre-drilled
holes. Install a #8 X 1/2” Self Drilling screw in to the
pre-drilled hole.

Supertop for Truck Installation Instructions
Rev. G 0713 76303 pg. 4
Install Belt Rail Assemblies
Locate the Clamps in the parts kit. Use two clamps
to secure each Belt Rail Assembly to the vehicle.
Place a Clamp as close to each end of the Belt Rail
as possible. Fully tighten the bolt on each Clamp.
Repeat this for both Belt Rail Assemblies.
Belt Rail Assembly
Rear
Clamp
Slide a Bow Tie Down Strap onto each of the Front
Bow Halves. Slide the two halves of the bow into a
Bow Coupler.
Assemble Front Bow
Bow Coupler
Front Bow Halves
Bow Tie Down
Straps
Install Foam Tape
Lay the Belt Rail Assemblies on top of the truck bed rail with the tab on the Tailgate Bracket toward the
center of the vehicle. The front of the rail should be 1-1/4” forward of the rear edge of the front wall of the
truck box.
Measure the distance between the inside edges of the right and left Belt Rail Assemblies at the front and
rear. Place them so that they are 63-1/2" at both places and are centered and square on the bed.
Install Belt Rail Assemblies
63-1/2"
63-1/2"
Front Edge of
Front Wall
Measurement between
Rails should be 63-1/2"
Belt Rail
Assembly
1/4"
Measure and cut a piece of Foam Tape that will fi t
the full length of the bottom of the Belt Rail Assem-
bly. Peel the backing off the tape a little at a time
and press the tape fi rmly into place on the Belt Rail
Assembly. Trim the tape to match the contour of the
Tailgate Bracket.
Repeat this with both Belt Rail Assemblies.
Tailgate Bracket
Rear Belt Rail
Peel Backing
off a little at
a time
Foam Tape

Supertop for Truck Installation Instructions
Rev. G 0713 76303 pg. 5
Place a 1/4" Fender Washer over the 1/4" x 1-1/2"
Clevis Pins installed in the Bow Mounts. Slide the
legs of the Front Bow Assembly over the Clevis Pins
and secure them with 1/4" Flat Washer and a Hitch
Pin Clip on each side of the vehicle.
Install Front Bow
Install Rear Bow Assembly
Front Bow
Assembly
Bow Tie
Down Strap
1/4" Fender
Washer
1/4" Flat
Washer
Hitch Pin
Clip
Rear Bow
Assembly
5/16" Flat
Washer
Hitch Pin
Clip
Cut Web Strap Reinforcement
Place the top fabric on a safe, clean cutting surface.
Locate the two (2) wide patches in the seal below
the window on the front panel of the top. Use a util-
ity knife to cut a slit through all the layers following
the indent in the seal.
Front Window
Cut slit in
reinforcement
Install Buckle Straps
Locate the two (2) 32" Buckle Straps in the parts
kit. Thread the end of each strap through the slits
from the vinyl (outside) side of the top. Pull the
straps through the slits until the back of the buckle
is against the slit.
Pull Strap
Through
Locate the two (2) Elastic Garters in the parts
kit. Slide a garter over each half of the Rear
Bow from the center so that the Garters will
hang above the rear window opening. Slide
the long tail of a Tension Strap onto each short
bow half and the buckle end onto the rear bow
half. Adjust the straps so there is about 3" of
strap beyond the buckle.
Slide the two (2) halves of the Rear Bow into
the remaining Bow Couplers. Slide the legs of
the Rear Bow Assembly over the 5/16" x 3/4"
Clevis Pins and secure them with a 5/16" Flat
Washer and a Hitch Pin Clip on each side of
the vehicle.
Tension
Straps
Elastic Garters