Kargo Master 4081L User manual

Kargo Master
Rancho Cordova, CA 95742
800-343-7486
[e-mail]
20210630R5 DATE: __________________
Installation Guide
4081L

Instructions –4081L
For Technical Support Call: 800-343-7486, Monday-Friday, 7AM - 4 PM (PST) Page 1
* 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” Wrench and Socket
9/16” Wrench and Socket
Table of Contents
Before You Begin............................................................................................................................................... 1
Parts List............................................................................................................................................................ 2
Hardware .......................................................................................................................................................... 3
Step 1 ─Remove Ladder End Stops .................................................................................................................. 4
Step 2 –Install Side Tube.................................................................................................................................. 4
Step 3 –Install Hanger Bracket......................................................................................................................... 5
Step 4 –Attach Clamp Tube and L-bracket....................................................................................................... 6
Step 5 –Mount Handle..................................................................................................................................... 8
Step 6 –Mount Latch Assembly ....................................................................................................................... 9
Step 7 –Install Ladder Hook to Bow................................................................................................................. 9
Angle Pad Orientations and Locations............................................................................................................ 11
Clamp Mechanism Orientation and Angled Pad Positions............................................................................. 11
Examples of Ladder Clamps Firmly Against Ladder Rungs ............................................................................. 11
Before You Begin
Read all instructions prior to assembling or installing any Kargo Master product.
Have vehicle specific mount kit installed on vehicle.
Most times it is easier to assemble on top of the 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.

Instructions –4081L
For Technical Support Call: 800-343-7486, Monday-Friday, 7AM - 4 PM (PST) Page 2
Parts List

Instructions –4081L
For Technical Support Call: 800-343-7486, Monday-Friday, 7AM - 4 PM (PST) Page 3
Hardware

Instructions –4081L
For Technical Support Call: 800-343-7486, Monday-Friday, 7AM - 4 PM (PST) Page 4
Step 1 ─Remove Ladder End Stops
If haven’t already done so, remove ladder stops from the opposite end of both bows
where the existing ladder rack is installed.
Step 2 –Install Side Tube
Insert the J-tube into the tube as shown.
Place sealant along
the swage joint.

Instructions –4081L
For Technical Support Call: 800-343-7486, Monday-Friday, 7AM - 4 PM (PST) Page 5
Place J-tube assembly on top of the installed bows. Be sure the J-Tube is oriented with
hook towards front and outside of vehicle.
Leave one square slot open at the rear of the tube.
Mount the tube assembly to the bows using 5/16” x 2” carriage bolts, 5/16” flat washers
and 5/16” lock nuts.
Step 3 –Install Hanger Bracket
Mount the angle bracket to the
underside of the tube assembly in
the orientation shown using
5/16” x 2” carriage bolts, 5/16” flat
washers and 5/16” lock nuts. Be sure
to have the angle bracket offset to
the center of the vehicle.
FRONT
REAR

Instructions –4081L
For Technical Support Call: 800-343-7486, Monday-Friday, 7AM - 4 PM (PST) Page 6
Step 4 –Attach Clamp Tube and L-bracket
Place the plastic bushings on the rotating clamp in the orientation shown. Be sure to have
the long flange of the L bracket to the center of the vehicle.
Place the long angle bracket on top of the bows as shown. Have the bend offset to the
center of the vehicle.
Insert the bushings into the long angle bracket and the angle bracket. Be sure to install the
bushings in an orientation so they CANNOT fall out.

Instructions –4081L
For Technical Support Call: 800-343-7486, Monday-Friday, 7AM - 4 PM (PST) Page 7
Attach the long L-bracket to both bows in the orientation shown using 3/8” x 1” carriage
bolts, 3/8” flat washers and 3/8” lock nuts.

Instructions –4081L
For Technical Support Call: 800-343-7486, Monday-Friday, 7AM - 4 PM (PST) Page 8
Step 5 –Mount Handle
Bolt the handle to the rotating clamp in the order shown using a 3/8” x 3” hex head, a
3/8” flat washer, 3/8” nylon washer, 3/8” contour washer and a 3/8” lock nut. The nylon
washer goes in between the rotating clamp and the handle. The contour washer goes
against the handle.
DO NOT overtighten. Handle should rotate freely.
NYLON WASHER

Instructions –4081L
For Technical Support Call: 800-343-7486, Monday-Friday, 7AM - 4 PM (PST) Page 9
Step 6 –Mount Latch Assembly
Attach the latch assembly to the rear most square hole in the tube using
5/16” x 2” carriage bolt, 5/16” flat washer and 5/16” lock nut.
Step 7 –Install Ladder Hook to Bow
Bolt the ladder hook bracket to the front bow in the orientation shown using two
3/8” x 1” carriage bolts, two 3/8” flat washers and two 3/8” lock nuts.
TIGHTEN.
Adjust ladder hooks to fit ladder.

Instructions –4081L
For Technical Support Call: 800-343-7486, Monday-Friday, 7AM - 4 PM (PST) Page 10
GO BACK AND ENSURE ALL HARDWARE IS TIGHT.
YOUR INSTALLATION IS NOW COMPLETE.
Refer to the Clamp and Lock Adjustment instructions to adjust the rack
to your ladder.
ALWAYS BE SURE LADDER IS SECURE PRIOR TO TRANSPORTATION.

Instructions –4081L
For Technical Support Call: 800-343-7486, Monday-Friday, 7AM - 4 PM (PST) Page 11
Angle Pad Orientations and Locations
Standard
Oritentation
Flipped
Orientation
Clamp Mechanism Orientation and Angled Pad Positions
Rear-
Facing
Examples of Ladder Clamps Firmly Against Ladder Rungs
Be sure to position the ladder hook in a way so the hook clamps the ladder tight into place.
A tight fit ensures the ladder cannot fall off the rack.
** BE SURE THE LADDER HOOKS ARE FIRMLY AGAINST THE LADDER STEPS OR RUNGS. **