Operation; Hitching Procedure - Lippert Components Curt Rota-Flex Pin Box Owner's Manual

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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. Make sure tow vehicle and trailer are secured from movement. Make sure all
safety precautions are followed to prevent personal injury or product damage.
1.
Place chocks firmly against the front and rear of each trailer wheel to prevent possible movement
either forward or backward.
2.
If necessary, lower the tow vehicle's tailgate.
NOTE: Clearance of the lowered tailgate to the trailer needs to be monitored during hookups, since some
combinations of tow vehicle and trailer have little or no clearance.
3.
Using the trailer landing gear, adjust trailer height per the manufacturer's recommendation so the
bottom of the trailer's pin box (Fig. 1B) is 1/2" to 1" below the top portion hitch skid plate (Fig. 1A).
Do not attempt to hitch the trailer by using trailer jacks to lower the trailer and kingpin onto the
hitch opening. This could result in the kingpin coming to rest on top of the skid plate instead of
within the hitch opening, which may result in death or serious injury.
Rev: 08.09.23
Fig. 1
A
Page 3
B
CCD-0008113

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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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