Lippert Components Curt Rota-Flex Pin Box Owner's Manual

Lippert Components Curt Rota-Flex Pin Box Owner's Manual

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Rota-Flex™
Pin Box
OWNER'S MANUAL

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Questions and answers

Charles Vaughn
April 19, 2025

How to grease bearing assembly

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1 comments:
Mr. Anderson
May 10, 2025

To grease the bearing assembly for the Lippert Components Curt Rota-Flex Pin Box:

1. Check the bearing and grease once per season.
2. If more grease is needed, add it to the bearing assembly.
3. Use only one of the approved greases:
- Mobilgrease HP (Mobil Oil)
- Ronex MP (Exxon/Standard)
- Kendall L-427 (Kendall Refining Co.)
- Val-plex EP Grease (Ashland Oil Co.)
- Premium Wheel Bearing Grease 707L (Pennzoil Prod. Co.)
4. Do not mix lithium, calcium, sodium, or barium complex greases.
5. If switching grease types, completely remove the old grease before applying the new grease.

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Summary of Contents for Lippert Components Curt Rota-Flex Pin Box

  • Page 1 Rota-Flex™ Pin Box OWNER'S MANUAL...
  • Page 2 TABLE OF CONTENTS Introduction Safety Operation Hitching Procedure Pull Test Troubleshooting Maintenance Introduction This document provides operation information for the Curt® Rota-Flex™ Pin Box. Additional information about this product can be obtained from lippert.com/support or by downloading the free LippertNOW app. The app is available on Apple App Store® for iPhone® and iPad® and also on Google Play™...
  • Page 3 Operation Hitching Procedure Failure to follow these instructions may result in death or serious injury. Working between the tow vehicle and trailer can be dangerous. Failure to properly secure the tow vehicle and trailer from movement can result in serious personal injury or death and serious product damage.
  • Page 4 NOTE: During the hitching maneuver, the bottom of the trailer’s pin box should come into contact with the hitch skid plate ramp. Open the jaw on the 5th wheel head. Refer to the manufacturer’s instructions for proper 5th wheel hitch latch operation. Back the tow vehicle slowly toward the trailer until the tow vehicle’s hitch contacts the bottom of the pin box and the kingpin slides into the receiver.
  • Page 5 Troubleshooting What is happening? What should be done? Trailer not level. Adjust pin box or hitch accordingly. Excessive bottoming of skid pad assembly. Inspect the rubber compression bumpers to ensure they are Chucking in tow vehicle. in place. Check trailer brakes for proper operation. If above is satisfactory, it may be necessary to install a shear spring with a different spring rate.
  • Page 6 The contents of this manual are proprietary and copyright protected by Lippert. Lippert prohibits the copying or dissemination of portions of this manual unless prior written consent from an authorized Lippert representative has been provided.  Any unauthorized use shall void any applicable warranty.  The information contained in this manual is subject to change without notice and at the sole discretion of Lippert. ...

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