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 > Fifth wheel Hitch troubleshooting

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Edd505

Elephant Butte, NM

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Posted: 05/31/21 09:29pm Link  |  Quote  |  Print  |  Notify Moderator

Leeblev wrote:

Just a thought...are you backing under the kingpin and then lowering it? Or are you backing into the kingpin, lowered so that your TV raises the 5er slightly when you back? I found that backing into the kingpin will cause the hitch to completely snap shut securely. Think about it...that is how truckers do it. I would back until the pin was about to engage, hook up my power connector and set the brake on the 5er, along with wheel chocks to hold it steady while engaging the kingpin. Hope this helps.


Works well but just lock the trailer brakes by hand and go for it.


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przao

Idaho

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Posted: 06/14/21 09:27pm Link  |  Quote  |  Print  |  Notify Moderator

I'm using a Curt 20k (about 10 years old) so it is a bit aged. Lately while hitching, I was periodically having problems with the jaws completely closing, so I asked my youngest, who is a big rig trucker to check my hitch because I thought it was worn out. After examining the jaws and the mechanism, he told me it was fine but that I needed to keep the king pin positioned more to the right side of the alignment slot rather than the left when backing up to hitch or the jaws will fail to close completely - he also confirmed that I needed to let the trailer slide up the hitch ramp (which I was already doing).

I watched him doing the examination of the hitch and he manually triggered the jaw closing mechanism with his hands to find the ideal spot to position the pin in the hitch head, which is why he told me to hug the right side of the hitch while backing. I've not had a single problem since I followed his advice. His take home lesson was that you sometimes need to manipulate the particular hitch mechanics to determine it's quirks - even though they are mass produced for uniformity, they change their properties as they age.

On an aside, he uses a portable electric grease gun to generously lube the hitch plate every time he hitches his semis, and told me to do the same because he noticed what he called high pressure wear on my hitch head even though I was using a lube plate.


PZ

Cummins12V98

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Posted: 06/14/21 11:30pm Link  |  Quote  |  Print  |  Notify Moderator

You will have a mess if you grease the head.


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ACZL

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Posted: 06/15/21 09:33am Link  |  Quote  |  Print  |  Notify Moderator

Cummins12V98 wrote:

You will have a mess if you grease the head.


Exactly. All the grease will get pushed off and either end up on edges of the hitch, on the floor of truck or on the rest of the hitch in front part of it.. Plus not to mention that the king pin/hitch on RV will be coated w/ grease and be a "B" if ya run into it.


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Cummins12V98

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Posted: 06/15/21 11:01am Link  |  Quote  |  Print  |  Notify Moderator

ACZL wrote:

Cummins12V98 wrote:

You will have a mess if you grease the head.


Exactly. All the grease will get pushed off and either end up on edges of the hitch, on the floor of truck or on the rest of the hitch in front part of it.. Plus not to mention that the king pin/hitch on RV will be coated w/ grease and be a "B" if ya run into it.


I assume there is some sort ofd dry lube that can be sprayed on the hitch head?

ACZL

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Posted: 06/16/21 12:46am Link  |  Quote  |  Print  |  Notify Moderator

Cummins12V98 wrote:

ACZL wrote:

Cummins12V98 wrote:

You will have a mess if you grease the head.


Exactly. All the grease will get pushed off and either end up on edges of the hitch, on the floor of truck or on the rest of the hitch in front part of it.. Plus not to mention that the king pin/hitch on RV will be coated w/ grease and be a "B" if ya run into it.


I assume there is some sort ofd dry lube that can be sprayed on the hitch head?


Dunno. Just going by how the grease ends up on our semis.

Flashman

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Posted: 06/21/21 04:08pm Link  |  Quote  |  Print  |  Notify Moderator

TXiceman wrote:

Look in the owners manual for the hitch. All hitches do require periodic cleaning and maintenance.

Ken


Wrong - not my Andersen.

Campinfan

Washtenaw County, Michigan

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Posted: 06/22/21 05:54am Link  |  Quote  |  Print  |  Notify Moderator

I wish the original posters would update us on how things went. I am not trying to be mean but many never update us. It would benefit all of us to know what worked, again not just in this post, but in others.


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rhagfo

Portland, OR

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Posted: 06/22/21 06:38am Link  |  Quote  |  Print  |  Notify Moderator

przao wrote:

..............

On an aside, he uses a portable electric grease gun to generously lube the hitch plate every time he hitches his semis, and told me to do the same because he noticed what he called high pressure wear on my hitch head even though I was using a lube plate.


What a mess!!! This is why I use a lube plate, no way would I use grease, except the pin contact points with the hitch jaws.


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TXiceman

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Posted: 06/22/21 10:29am Link  |  Quote  |  Print  |  Notify Moderator

Flashman wrote:

TXiceman wrote:

Look in the owners manual for the hitch. All hitches do require periodic cleaning and maintenance.

Ken


Wrong - not my Andersen.


You mean it never requires any cleaning or checking for tightness and mounting....Good Luck.

Ken


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