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Tuesday, March 13, 2007

Lube Your Hitch Dummy!

Today I lifted the hood of the truck to check the battery posts, clean and condition my air filter and change my fuel filter. Within two minutes there were two, then three, then four guys standing around offering suggestions. Good thing too, because I needed it. One of the guys asked me when was the last time I lubed my 5th wheel hitch? Lubed? Hitch? “Uh……..well……….uh, never. I didn’t know I was supposed to lube my hitch.” The reason I’m exposing my ignorance is because I know I’m not the only one who didn’t know this. I’ve been full timing for a couple years and have never seen anyone lubing their hitch. How often do you sit around the campfire and say, “Hey Frank, lubed my 5er hitch today, what did you do?” Frank, “Oh, I lubed my leaf spring equalizers. Yep, it was time to get-er-done.” Stirring the fire with a long stick, Frank looks up and says, “So what kind of grease did you use anyway?” "Lithium of course!" (Sure hope that was the right answer!)OK, so I’m a dummy, but hopefully someone will learn from my mistakes. Here is how you do it: First, remove the retaining pin and pull out the main pin. The main pin was rusted so I cleaned it up with sandpaper. This is the cylinder that the main pin holds in place. I've extracted it from the hitch cradle and turned it upside down for maintenance. Sounds like I know what I'm doing doesn't it. Sheesh, look at that rust in there! Some guys just abuse their equipment! I also reamed the cylinder with sandpaper. I applied grease to the main pin. I applied grease to the lube points on the mechanical mechanism including inside the cylinder.I used silicon spray on the areas I couldn’t reach with grease. After I put it all back together, WOW, what a difference! Now it’s a happy piece of equipment and I can show my face again at the campfire. Jim

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6 Comments:

  • good preventable maintenance is always the best. but instead of silicone spray there is also other lubricants thats more effective like "whitmore cable lubricant" it's a real heavy grease in spray form and it works real good and will stay on the metal even in rain or other bad weather for a long time, silicone disappears fast

    By Anonymous Anonymous, at March 17, 2007 7:46:00 AM PDT  

  • Thanks Jim! I pulled the pin on my hitch and found that the head was splitting away from the shaft. By the marks on the head it looks like someone used a framing hammer to force it in. Took it to a welding shop and they ground it down and welded it back into shape. I never would have thought to do this if I hadn't read your blog. Since this pin holds the fifth wheel to the frame of the hitch it could have been a disaster. Thanks so much for your info!

    By Anonymous Alpenliter, at March 17, 2007 8:54:00 AM PDT  

  • How about the 5th wheel plate, so
    the trlr. does not bind up when you go around corners, and when you are backing up?

    By Blogger cgor, at March 17, 2007 10:02:00 AM PDT  

  • Let me tell you a story, I have owned several 5th wheels off & on for many years and back in 1999 I finally up-graded to the new type 5th wheel hitch that mounts on two rails in the bed of the truck. I have always lubed my hitches. This newer hitch has a function to set as a rocker if needed and as a rule I kept the hitch it in the locked position but I must have moved it in the rocker position a one point, anyway last year pulling the RV in the CA Mountains, we were going down a long steep and winding mountain then about half way down, I heard a loud “bang”! No place to pull over until we made it to the bottom of the hill. I inspected all the tires, looked under the truck then looked under the trailer and couldn’t find anything wrong, the diesel engine sounds good; the tranny is fine so I gave up and we went on. We traveled another 70 or 80 miles with no problems; we arrived at the RV Park, I backed the trailer in and was getting ready to unhitch when I noticed a bold with a spacer laying under the hitch. Now I learned where the bang came from, both front and rear rocker bolts had no grease so the front one must have heated up from the friction to the point that it shirred off. We were very lucky that the hitch stayed together and not losing the 33’ 5th wheel.

    By Anonymous Anonymous, at March 17, 2007 7:54:00 PM PDT  

  • I have a relatively new B. & W. hitch and was surprised to find, when I took it off the rails, that there is a fitting for a grease gun (zirk?)on the under side....simplifies getting grease into some of the joints, and points out that the manufacturer expects us to grease them, too.

    By Anonymous Anonymous, at March 17, 2007 8:35:00 PM PDT  

  • A dry silicone lubricant is all i use when i take my hitch off for the winter. as for the hitch plate every rv dealer has a silicone plate that slip on over the fifth wheel pin

    By Anonymous woodcutter, at March 19, 2007 11:56:00 AM PDT  

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