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For Technical Support Call: 800-343-7486 Monday-Friday 7AM - 4 PM (PST) 

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Instructions – 4A83L 

*PLEASE READ ALL INSTRUCTIONS AND WARNINGS PRIOR TO 

ASSEMBLING, INSTALLING, AND USING THIS PRODUCT* 

Warning 

Always check for wires, fuel tanks and lines, brake lines and other important vehicle 
functionality items prior to drilling and installing all products. 

Tools Needed 

1/2”, 9/16” Sockets and Wrench 

1/2”, 9/16” Box Wrenches 

 

Table of Contents 

Before You Begin ......................................................................................................................................................... 1 

Parts List ...................................................................................................................................................................... 2 

Hardware (18-4A83L-A) .............................................................................................................................................. 3 

Step 1 – Install End Stops ............................................................................................................................................ 5 

Step 2 – Assemble Side Tube ...................................................................................................................................... 5 

Step 3 – Install Side Tube ............................................................................................................................................ 6 

Step 4 – Install Hanger Bracket ................................................................................................................................... 7 

Step 5 – Install Clamp Tube ......................................................................................................................................... 7 

Step 6 – Install Latch Assembly ................................................................................................................................... 9 

Step 7 – Install Handle................................................................................................................................................. 9 

Step 8 – Install Ladder Hook Bracket to Bow ............................................................................................................ 10 

Step 9 – Install Feet ................................................................................................................................................... 10 

Angle Pad Orientations and Locations ...................................................................................................................... 12 

Clamp Mechanism Orientation and Angled Pad Positions ....................................................................................... 12 

Examples of Ladder Clamps Firmly Against Ladder Rungs ........................................................................................ 12 

 

Before You Begin 

 

Read all instructions prior to assembling or installing any Kargo Master product.  

 

Find your vehicle roof rail mounting prior to rack assembly. 

 

Most times it is easier to assemble the ladder rack on top of roof, after the mount kit has been 
installed. 

 

DO NOT EXCEED MANUFACTURERS WEIGHT CAPACITY FOR ROOF. 

 

Be sure to adjust ladder clamps accordingly to secure ladder firmly to rack. To adjust, refer to Clamp 
and Lock adjustment guide. 

Summary of Contents for 4A83L

Page 1: ...Instruction Guide 4A83L Kargo Master Rancho Cordova CA 95742 800 343 7486 CustomerService KargoMaster com 20210629R3 DATE ______________...

Page 2: ...nstall Hanger Bracket 7 Step 5 Install Clamp Tube 7 Step 6 Install Latch Assembly 9 Step 7 Install Handle 9 Step 8 Install Ladder Hook Bracket to Bow 10 Step 9 Install Feet 10 Angle Pad Orientations a...

Page 3: ...For Technical Support Call 800 343 7486 Monday Friday 7AM 4 PM PST Page 2 Instructions 4A83L Parts List...

Page 4: ...For Technical Support Call 800 343 7486 Monday Friday 7AM 4 PM PST Page 3 Instructions 4A83L Hardware 18 4A83L A...

Page 5: ...For Technical Support Call 800 343 7486 Monday Friday 7AM 4 PM PST Page 4 Instructions 4A83L Hardware 18 4A83L A Continued...

Page 6: ...skip this step Using two 5 16 x 3 4 carriage bolts 5 16 washers and 5 16 lock nuts bolt end stop to one end of bow Repeat for second bow TIGHTEN Step 2 Assemble Side Tube Place sealant around swaged e...

Page 7: ...ards the front and to the outside of the vehicle as shown In some applications it is easier to assemble rack on top of vehicle Leave one square slot open at the rear of the tube At both the rear and f...

Page 8: ...nger Bracket Using two 5 16 x 2 carriage bolts two 5 16 washers and two 5 16 lock nuts install hangar bracket as shown blow Be sure to have the bracket flange towards the inside of the bows Step 5 Ins...

Page 9: ...Step 3 Be sure flanges toward are oriented as shown so they CANNOT fall out Insert clamp tube into both plastic bushings Ladder clamp on the clamp tube is adjustable When finished clamp must be adjust...

Page 10: ...o the rear of the mount tube that was installed in Step 3 TIGHTEN Step 7 Install Handle Bolt handle to clamp tube using a 3 8 x 3 hex head a 3 8 flat washer a 3 8 nylon washer a 3 8 curved washer and...

Page 11: ...lt ladder hook bracket to the bow in the orientation shown Be sure the bracket is square to the bow TIGHTEN Ladder clamp on the ladder stop assembly is adjustable When finished clamp must be adjusted...

Page 12: ...mounting Using 3 8 x 3 4 hex head bolts 3 8 lock washers and 3 8 flat washers bolt foot to cross member Snug tighten but allow movement Refer to the Clamp and Lock Adjustment instructions to adjust t...

Page 13: ...t Facing Clamp Mechanism Orientation and Angled Pad Positions Rear Facing Examples of Ladder Clamps Firmly Against Ladder Rungs The ladder hook should be positioned in a way so the hook clamps the lad...

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