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PRIME DESIGN, A SAFE FLEET BRAND 

 Address: 1689 Oakdale Avenue #102, West St Paul, Minnesota 55118 

 Phone: 651-552-8554 

 Toll Free: 1.8.PRIME.RACK 

 Fax: 651-552-1799 

 Email: [email protected] 

 Website: www.primedesign.net

TM & © 2018 PRIME DESIGN. PROTECTED BY ONE OR MORE OF THE FOLLOWING PATENT NO.’s 6764268, 6971563, 2364879, 8857689, 8511525, 8991889, 2271515, 2364897, 9506292, 9481313, 9481314, 9796340, 6202807, 6427889, 9415726 AND OTHER PATENTS PENDING

5

Z Plate Cam
Flat Washer
M8 Locknut

Z Plate

M8 x 45MM

Even

Even

Even

Even

Same as Front

Center

Rear

Front

The end of the Rear

Drive Shaft is Flush to

the Vehicle’s Bumper

Do not tighten

VRR3-GM31G-ST B

ASE 

ASSEMBL

Y INSTR

UCTIONS–CROSSB

AR MOUNTINGS

1.5

Leave all indicated screws on all the 

Mounting Brackets loose at this time.

1.4

Apply Anti-Seize to all M8 x 65MM Carriage bolts, then 

install the Z Plates using the hardware shown. Do not 

tighten screws until Step 1.8

CROSSBAR ADJUSTMENT

1.3

Using two or more people, lift and position 

the Ladder Rack onto the vehicle.

1.6

Position all Crossbars onto the 

Mounting Brackets as shown below.

1.7

Torque all of these 

Screws to 90 in-lbs

Summary of Contents for VRR3-GM31G-ST

Page 1: ......

Page 2: ...15 2364897 9506292 9481313 9481314 9796340 6202807 6427889 9415726 AND OTHER PATENTS PENDING 2 2 3 1 Anti Seize 1X Flat Washer 12X M8 Lock Nut 12X M8 X 65MM 12X 4 Mounting Bracket GM 6X Mounting Brack...

Page 3: ...D OTHER PATENTS PENDING 3 VRR3 GM31G ST BASE ASSEMBLY INSTRUCTIONS PACKAGING CONTENTS 4 VRR3 9003 Qty 1 Factory Assembled Rotation Assembly RECOMMENDED ASSEMBLY TOOLS NOT INCLUDED Combination Wrench 1...

Page 4: ...OTHER PATENTS PENDING 4 1 M8 x 65MM Flat Washer M8 Locknut 2 VRR3 GM31G ST BASE ASSEMBLY INSTRUCTIONS CROSSBAR MOUNTINGS FBM ASSEMBLY SEQUENCE Due to the compound curves on the GM van roof the Mounti...

Page 5: ...M8 Locknut Z Plate M8 x 45MM Even Even Even Even Same as Front Center Rear Front The end of the Rear Drive Shaft is Flush to the Vehicle s Bumper Do not tighten VRR3 GM31G ST BASE ASSEMBLY INSTRUCTIO...

Page 6: ...Z Plate Cam held in position with 19mm wrench VRR3 GM31G ST BASE ASSEMBLY INSTRUCTIONS CROSSBAR MOUNTINGS 1 9 Using the wrench rotate the Z Plate Cam to raise and engage the Z Plate into the vehicle...

Page 7: ...8857689 8511525 8991889 2271515 2364897 9506292 9481313 9481314 9796340 6202807 6427889 9415726 AND OTHER PATENTS PENDING 7 VRR3 GM31G ST BASE ASSEMBLY INSTRUCTIONS CROSSBAR MOUNTINGS DRIVE SHAFT SEAL...

Page 8: ...8 6971563 2364879 8857689 8511525 8991889 2271515 2364897 9506292 9481313 9481314 9796340 6202807 6427889 9415726 AND OTHER PATENTS PENDING 8 USAM VRR3GM31GST US01 Rev A 0418 BOX AND HANDLE This compl...

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