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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 & © 2019 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

10

Small Cap

Large Cap

12

13*

16

VBI-FT31B 

ASSEMBL

Y INSTR

UCTIONS–LEFT SIDE B

ASE

LEFT SIDE ASSEMBLY SEQUENCE

CROSSBAR CAPS

LADDER STOPS

12.1

12.2

13.1

13.2

Loosen the nut to allow 

the End Stop to slide into 

the Crossbar groove

Position the Ladder Stop to 

the desired location, then 

torque the nut to 90 in-lbs.

NOTE:

 Some Front Crossbars may 

have additional drilled holes. Press 

Crossbar Caps into Crossbar holes if 

present and unused.

* NOTE: Crossbars may not have Caps installed 

from the factory. If factory-installed, proceed to 

Step 12 and ignore Step 13. If not installed, Caps 

will be included in the Hardware Kit. Press them 

into the Crossbars as shown in Step 13.

Summary of Contents for Prime Design VBI-FT31B

Page 1: ......

Page 2: ...2271515 2364897 9506292 9481313 9481314 9796340 6202807 6427889 9415726 AND OTHER PATENTS PENDING 2 2 3 4 6 8 1 5 9 7 Lock Washer 4X 23 Channels 2X 78 Channels Pre assembled 2X Channel Bracket 4X M8...

Page 3: ...ASSEMBLY INSTRUCTIONS PACKAGING CONTENTS 7 Front Drive Shaft Qty 1 38 75 9 Ladder Stop Assembly Qty 2 1 75 6 Connecting Bar Qty 1 24 00 8 Drive Arm Qty 1 Incline Version with Bushing and Hardware 5 H...

Page 4: ...r s Note Crossbars are not centered on the vehicle Set Crossbars according to the left hand dimensions shown in the Crossbar Adjustment procedure shown on page 6 Failure to position the Crossbars as s...

Page 5: ...T SIDE ROTATION 2 6 Position Mounting Brackets to designated dimension shown below then torque the M8 X 20MM bolt to 90 in lbs Proceed to Step 3 1 2 5 Loosen nuts Position the rear and center Mounting...

Page 6: ...PENDING 6 Front Rear 10 00 9 25 Rear Front Fig B VBI FT31B ASSEMBLY INSTRUCTIONS RIGHT SIDE ROTATION REAR DRIVE SHAFT CYLINDER HARDWARE 4 1 4 2 4 3 Torque to 90 in lbs 5 1 5 2 4 4 Torque to 80 in lbs...

Page 7: ...2019 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 OTHE...

Page 8: ...p Bracket as shown then finger tighten if adjusting later or torque to 80 in lbs 10 3 Place the L Post into the bottom groove of the Rear Crossbar ensuring the L Post seats into the Crossbar s inside...

Page 9: ...D OTHER PATENTS PENDING 9 VBI FT31B ASSEMBLY INSTRUCTIONS RIGHT SIDE ROTATION Torque to 80 in lbs 10 8 Slide the L Post until parallel to the Auto Clamp and the gap between the two is even from top to...

Page 10: ...Large Cap 12 13 16 VBI FT31B ASSEMBLY INSTRUCTIONS LEFT SIDE BASE LEFT SIDE ASSEMBLY SEQUENCE CROSSBAR CAPS LADDER STOPS 12 1 12 2 13 1 13 2 Loosen the nut to allow the End Stop to slide into the Cros...

Page 11: ...857689 8511525 8991889 2271515 2364897 9506292 9481313 9481314 9796340 6202807 6427889 9415726 AND OTHER PATENTS PENDING 11 VBI FT31B ASSEMBLY INSTRUCTIONS Adjust the Cylinder Flow Control Screw to al...

Page 12: ...USAM VBIFT31B US01 Rev F 0419...

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