Installation Guide

CURTMFG.COM
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PRODUCT SUPPORT: 877.287.8634
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18150-INS-RB
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04/16/2021
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ECN8300
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PAGE 2
ASSEMBLY
Step 1
Align the two platform halves (#1) on either
side of the 2" shank (#2). Insert the two
M12 hex bolts (#6) through the platform
(#1), shank (#2) and other platform half (#1).
Install M12 flat washers (#5) and M12 lock
nuts (#4) on the hex bolts (#6). Snug the
hardware, but do not fully tighten.
Step 2
Place the two connecting plates (#3) onto
the front and back of the platforms (#1).
Insert the M10 carriage bolts (#9) through
the outside of the platforms (#1) followed
by the M10 flat washers (#8) and secure
with M10 lock nuts (#7) to the inside of
the platforms (#1).
Tighten all hardware to the recommended
torque specifications on page 1.
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TOWING BASICS & SAFETY INFORMATION
For information on safely towing your trailer, visit curtmfg.com/understanding-towing.
Parts List
Item Qty Description
1 2 Platform frame, half
2 1 Shank, 2"
3 2 Connecting plate
4 2 Lock nut, M12
5 2 Flat washer, M12
6 2 Hex bolt, M12 x 75mm
7 8 Lock nut, M10
8 8 Flat washer, M10
9 8 Carriage bolt, M10 x 20mm