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Using grease in fifth wheel hitch jaws
Old 08-18-2010, 09:22 AM   #1
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I was wondering how many fifth wheel folks put grease around the king pin and in the fifth wheel jaws. I have seen some hitches where the jaws was dry and some were greased. Seems like the latter is the better choice, but for now i'm running it dry. I do have the lube plate installed, but I would think grease would be needed. I have a trailersaver ts3 air ride hitch and their maintenance suggestions says nothing about the jaws. Thanks for the help and hope its not a stupid question.

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Old 08-18-2010, 09:27 AM   #2
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Yes, although I use the teflon load plate, I still use synthetic wheel bearing grease on the kingpin and jaws and a spray lithium grease on the 5th wheel hitch's pivot points since they're not otherwise accessible without disassembling the hitch.

Rusty

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Old 08-18-2010, 09:35 AM   #3
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thanks rusty for the information. will be getting some grease today! gary
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Old 08-18-2010, 10:51 AM   #4
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I put whatever wheel bearing grease I have handy on the hitch jaws. I use oil on the other pivot points on the hitch also. Anyplace where there is metal to metal contact should be lubed either by grease, oil or silicone.
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Old 08-19-2010, 08:14 PM   #5
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Thanks edj, for the reply. I have finished the lubrication of the pins and applied some synthetic wheel bearing grease in preparation for our vacation. This site sure is great for information, especially if you need it fast. Thanks Gary
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Old 08-20-2010, 08:15 PM   #6
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I can tell when my 5er king pin need re-greasing. The rig turns easier when adequate grease is used. I clean away old grease and regrease once a month because it collects road dirt and grit. It doesn't take but a thin film of grease to do the job, more is not necessarily better.
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Old 08-21-2010, 10:20 PM   #7
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When I was pullin' a 5er I used the white lithium grease from a tube. Spread just a little on and because it is white you can watch it get dirty and know when to change it out. JMHO
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Old 08-21-2010, 11:41 PM   #8
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I'm thinking about cleaning off all the grease on my kingpin and hitch jaws and switching to the same SlipPlate graphite spray I use for my SuperGlide hitch way tubes. I'll inspect frequently for any signs of galling, but I think the stuff will provide the same or better lubrication with much less mess.

Has anyone else tried graphite?

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Old 08-22-2010, 01:57 AM   #9
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It's not what you use, it's when you don't use any lube that you are damaging the pin

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