Curt Manufacturing 16600 User Manual

CURTMFG.COM
•
PRODUCT SUPPORT: 877.287.8634
•
16600-INS-RA
•
12/08/2021
•
ECN9081
•
PAGE 1
INSTALLATION MANUAL
16600
Tools Required
Ratchet Torque wrench
Socket set --
Product Photo
Torque Specifications
1/2" bolt 65 ft-lbs.
M20 bolt 300 ft-lbs.
Use above torque setting unless otherwise noted
Product Registration
CURT stands behind our products with
industry-leading warranties. Provide
feedback and help us to improve our
products by registering your purchase at:
warranty.curtgroup.com/surveys
Level of Difficulty
Moderate
DANGER ZONE PRECAUTIONS
Block all trailer tires in front and behind with appropriate wheel chocks. Do not
substitute objects such as, but not limited to: stones, wood blocks, etc. Front
trailer lifting jacks must be supporting the trailer and resting on a firm and level surface.
Towing vehicle must be stationary with automatic transmission
in park (manual in neutral), emergency brake applied and engine off.
Parts List
Item Qty Description
1 1 Base weldment
2 1 Upper weldment
3 1 Lower coupler assembly
4 1 Lube plate
5 2 Hex head cap screw, 1/2"
6 2 Nylock nut, 1/2"
7 1 Bushing
8 1 Hex bolt, M20
9 1 Nylock nut, M20
10 1 Flat washer, M20
11 4 Spacer, 0.094"
12 4 Base rail mounting clip
13 4 Base rail mounting pin, 1/2"
Weight Capacity
Gross trailer weight (GTW) 20,000 lbs.
Vertical load 5,000 lbs.
NOTICE
Before you begin installation,
read all instructions thoroughly.
Proper tools will improve the quality of
installation and reduce the time required.
To help prevent damage to the product
or vehicle, refer to the specified torque
specifications when securing hardware
during the installation process.
WARNING
Fully instruct and demonstrate the operation of this 5th wheel hitch to the end user. Include the
importance of observing all warnings contained herein, including warning labels on 5th wheel
hitch main body. Provide this manual in its entirety to the end user. Serious injury or death may
result if the warnings above are not observed.
Do not expose hands, body parts or clothing between the truck and
trailer or the truck's bed sides and trailer. If you must place any part
of your body under trailer or between truck and trailer, you must:
1. Block all trailer tires with wheel chocks.
2. Make sure trailer landing gear / jacks are resting on a firm, level surface.
3. Towing vehicle must be stationary with auto transmission in park
(manual in neutral), emergency brake applied and engine off.
Never exceed the towing capacity (trailer and contents combined)
of any towing system component or your vehicle.
Improperly coupled trailers can separate or drop without notice,
causing serious injury or death. To reduce the chance of serious injury or death:
Never attempt to couple trailer without reading and following all instructions thoroughly.
Always follow operating instructions to secure trailer to tow vehicle.
Make sure the hitch is secure before towing.
Prior to towing, ensure all components and hardware are structurally sound and secure.
Always chock the trailer to prevent movement while coupling the hitch.
Always ensure lynch pins are installed through handle before towing.
Always perform a pull test prior to towing. See 'pull test' later in this instruction manual.
Never position anyone under the trailer's kingpin area during coupling and uncoupling.

Curt Manufacturing 16600 Specifications

General

Product Type	Gooseneck Hitch
Brand	Curt Manufacturing
Part Number	16600
Category	Automobile Accessories
Weight Capacity	30, 000 lbs
Tongue Weight	7, 500 lbs
Material	Steel
Installation	Vehicle-Specific
Finish	Black Powder Coat
Hitch Pin Hole Size	5/8 inches

Summary

Danger Zone Precautions

Warnings and Important Notices

General Warnings

Instructions and warnings regarding safe operation and potential hazards of the 5th wheel hitch.

Product Registration and Notice

Information on product registration and general installation notices for proper setup.

Assembly and Height Calculation

Calculating Height

Determining the correct 5th wheel height for level trailer towing by measuring distances.

Main Body Assembly

Instructions for assembling the main body of the 5th wheel hitch.

Main Body Assembly Steps

Lower Coupler Attachment

Attaching the lower coupler assembly to the base weldment using specified fasteners.

Check the Base Rails

Verifying the proper installation and alignment of truck bed base rails.

Mount to the Base Rails

Securing the 5th wheel hitch to the vehicle's base rails using pins and clips.

Upper Coupler Installation

Step 1: Component Placement

Placing upper weldment and lube plate on trailer king pin and securing with bolts.

Step 2: Torque Specification

Torquing the 1/2" hex bolts and nuts to the specified torque value.

Step 3: Free Spin Check

Ensuring the upper weldment spins freely around the trailer's king pin.

Coupling and Locking Procedures

Coupling Warnings

Safety precautions to avoid injury or death during coupling operations.

Prepare Vehicle and Trailer

Steps to prepare the truck and trailer for coupling on a level surface.

Prepare 5th Wheel Hitch

Ensuring the 5th wheel hitch mechanism is clean and ready for coupling.

Perform Coupling and Locking

Detailed steps for coupling the trailer to the hitch and securing the lock.

Pre-Tow Checks and Uncoupling

Pull Test Procedure

Testing the secure coupling of the hitch by applying light forward pressure.

Preparing to Tow Checklist

Final checks before towing, including electrical connections and brake activation.

Uncoupling Steps

Procedure for safely uncoupling the trailer from the 5th wheel hitch.

Removal and Reinstallation

Removal Procedure

Steps to remove the entire 5th wheel hitch unit from the base rails.

Re-installation Procedure

Instructions for reinstalling the 5th wheel hitch in reverse order of removal.

Maintenance Schedule

Component Inspection and Lubrication

Regular checks for lube plate, pivot points, and bolts for optimal performance.

Cleaning and Storage

Recommendations for cleaning the hitch after use and before long-term storage.

Torque and Bolt Warning

Critical warning regarding the torque of the M20 head pivot bolt and potential failure.