lubricating the pin & jaws
I've always used a little bit of what ever was handy. Left over wheel bearing, white lithium, what ever. My site neighbor, who apparently know everything there is to know about the RV industry, (just...
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White Lithium for the head support and AMZ/OIL red synthetic grease for the bottom ZERK on my B&W. Also one pump of the red on the kingpin where the jaws make contact.
