CURT 18112 User Manual

INSTALLATION MANUAL  
18112  
Level of Difficulty  
WARNING  
Do not carry flammable items on the carrier. Do not allow exhaust fumes  
to blow directly on items in the carrier. This is a fire hazard.  
Easy  
Parts List  
Product Photo  
Qty Description  
#
1
2
3
4
5
6
7
1
4
9
4
1
1
1
Bottom bracket  
U-clamp  
Lock nut, M10  
Eye bolt, M10 x 45mm  
Carrier frame  
Fixed plate  
Button socket cap screw,  
M10 x 25mm  
2
1
1
1
1
1
2
1
1
1
2
Eye bolt, M10 x 20mm  
Flat washer, M10  
Shank assembly  
Hex head bolt, M16  
Lock nut, M16  
8
9
10  
11  
12  
13  
14  
15  
16  
17  
18  
Pin  
Clip  
Anti-rattle hitch pin, M16  
Spring washer, M16  
Flat washer, M16  
Button socket cap screw,  
M10 x 20mm  
Notes and Maintenance  
Before you begin installation, read all instructions thoroughly.  
1
1
Upper ramp  
Lower ramp  
19  
20  
Distribute the weight evenly on the platform when hauling  
a load. This carrier is not intended for transporting people.  
Do not carry loads wider or deeper than the carrier.  
Tools Required  
Proper tools will improve the quality of installation and reduce the time required.  
Open wrench, 17mm Adjustable wrench  
Open wrench, 24mm Socket, 17mm  
Mild automotive detergent may be used to clean the product. Do not use dish detergent, abrasive  
cleaners, abrasive pads, wire brushes or other similar products that may damage the finish.  
Torque wrench  
Hex key, 6mm  
Product Registration  
Weight Capacities  
CURT Group stands behind our products with industry leading warranties.  
You can help us continue to improve our product line and help us understand  
your needs by registering your purchase by visiting:  
Weight capacity  
500 lbs.  
227 kg  
warranty.curtgroup.com/surveys  
At CURT Group, customer is king. We value your feedback and we use that information to make  
improvements on our products. Please, take a minute and let us know how we are doing.  
CURTMFG.COM NEED ASSISTANCE? 877.287.8634 18112-INS-RB PAGE 1  
Step 1  
Align the holes in the upper ramp (#19) and  
lower ramp (#20) hinge brackets. Insert an M10  
button socket cap screw (#18) into each hinge.  
Secure with an M10 lock nut (#3), ensuring the  
hinge operates freely.  
CURTMFG.COM NEED ASSISTANCE? 877.287.8634 18112-INS-RB PAGE 3  
Step 2  
Place the bottom bracket (#1) on  
the bottom of the carrier frame (#5)  
and line up the square holes.  
Insert an M10 eye bolt (#4) through  
the bottom bracket, carrier frame and  
U-clamp (#2) in all four locations.  
Note: The head of the eye bolt will  
be on the outside of the carrier frame.  
Secure with M10 lock nuts (#3).  
Snug the hardware,  
but do not fully tighten.  
CURTMFG.COM NEED ASSISTANCE? 877.287.8634 18112-INS-RB PAGE 4  
Step 3  
Mount the fixed plate (#6) to the carrier frame  
(#5) by inserting an M10 eye bolt (#8) through  
the upper hole in the fixed plate and the upper  
hole in the carrier frame as shown. Secure with  
an M10 lock nut (#3).  
Insert an M10 button socket cap screw (#7)  
through the lower hole in the carrier frame  
and the lower hole in the fixed plate. Secure  
with an M10 lock nut.  
Insert M10 eye bolt into top hole of carrier  
frame as shown. Slide M10 flat washer (#9)  
onto eye bolt. Secure with an M10 lock nut.  
At this time, torque all M10 hardware  
in steps 2 and 3 to 12 ft-lbs.  
CURTMFG.COM NEED ASSISTANCE? 877.287.8634 18112-INS-RB PAGE 5  
Step 4  
Install the shank assembly (#10) on  
the bottom bracket (#1) by aligning the  
two upper holes in the shank assembly  
with both holes in the bottom bracket.  
Insert an M16 hex head bolt (#11)  
through the hole in the shank assembly  
and bottom bracket nearest to the cargo  
area. Secure with an M16 lock nut (#12),  
tightening until shank assembly still  
pivots freely.  
Insert pin (#13) into the other upper hole  
on the shank assembly and bottom bracket  
and secure with a clip (#14).  
Insert the shank assembly into the vehicle's  
receiver tube, aligning the hole in the shank  
assembly with the hole in the receiver.  
Insert the M16 spring washer (#16) and M16  
flat washer (#17) onto the M16 anti-rattle hitch  
pin (#15). Insert the M16 hitch pin through the  
receiver tube and the shank assembly hole.  
Tighten until there is no longer any rattle.  
Insert a clip through the M16 hitch pin.  
CURTMFG.COM NEED ASSISTANCE? 877.287.8634 18112-INS-RB PAGE 6  
Step 5  
With the ramp in the upright position, fasten  
the rubber belt on the step bolt of the ramp.  
Step bolt  
Note: To properly align the locking pin and  
the fixed plate, the upper ramp (19) and the  
rubber foot of the lower ramp (20) must be in  
contact with each other. Both sections of the  
ramp need to be moved together to allow the  
proper angle for the locking pin to align with  
the hole on the fixed plate.  
Rubber belt  
Folding the cargo basket  
CURTMFG.COM NEED ASSISTANCE? 877.287.8634 18112-INS-RB PAGE 7  

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