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Open Roads Forum  >  Towing

 > Dealer incorrectly installed Dual Cam setup

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BenK

SF BayArea

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Posted: 05/01/12 01:32pm Link  |  Print  |  Notify Moderator

gijoecam wrote:

BenK wrote:


Until the OP shears off one of those bolts during a tight turn...
or that it might have higher resistance when turning one way vs the other


How, exactly, would that happen?? The end of the WD bars is in the same place regardless of where the bracket mounts in front of it, right? The only thing that changes is where the bracket is mounted, and if the brackets are not even on the tongue, the angle of the adjustment link will differ slightly from side to side.

Quote:

Also, there is a difference in forces between the left to right, so
will it 'steer' or 'pull' one way or the other?


Where is the difference? Again, if the bar ends are nested in the pockets like they should be, what does the arm care where the bracket is on the frame? It's the bar that moves, not the cam.

I'd personally contact the manufacturer and ask them before I contact the dealer again. In the mean time, I wouldn't be concerned myself.


Maybe these threads might answer your questions/understanding of
how this system works

Reese Dual Cam coming apart




Reese Dual Cam Thread Forming Screw Issue

Sheared bolt





Brand new Reese broken bolts

fla-gypsy

North Florida

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Posted: 05/01/12 03:03pm Link  |  Print  |  Notify Moderator

Gee whiz, it is a freaking 1/2". I bet that most of you will find at least a 1/4" difference in any Dual Cam set up you have. I installed mine purposely slightly off the 18" recommended to make it fit my trailer better. I know they are not exactly the same and I did them myself. Come on, most people can't even see the difference looking at it with the eye.


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gijoecam

Midwest

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Posted: 05/02/12 06:27am Link  |  Print  |  Notify Moderator

BenK wrote:

Maybe these threads might answer your questions/understanding of
how this system works

Reese Dual Cam coming apart




Reese Dual Cam Thread Forming Screw Issue




Brand new Reese broken bolts


So maybe you can explain how three threads about a defective lot of bolts from Reese is related to a misalignment of the brackets? I fail to see the connection here...

I'm quite familiar with how the setup works, if not the subtle nuances of the setup. I thoroughly understand how the forces are transferred in the system. The chains and the cams are adjusted such that they are above the ends of the spring bars. The location of the mounting brackets for the cams is not all that important for transferring the forces to the tongue. Theoretically you could mount the brackets behind the cams instead of out front and the system should perform exactly as intended. I'd wager a bet that a half inch difference from side to side would have no measurable affect on the performance or function of the system, but would also defer to the manufacturer for the final analysis.

Ron Gratz

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Posted: 05/01/12 07:24pm Link  |  Print  |  Notify Moderator

BenK wrote:

Maybe these threads might answer your questions/understanding of how this system works
Ben, IMO, those threads have absolutely nothing to do with the question of whether a slight mis-alignment of the cam brackets will affect the operation of the hitch.

Also, IMO, there is no need for RevJosh to try to "correct" the mis-alignment.

Ron

jerem0621

Sequatchie, TN

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Posted: 05/01/12 09:45pm Link  |  Print  |  Notify Moderator

op..pics would help,

i would be more concerned with the spring bar crashing into the dual cam arm which will cause issues like what BenK mentioned.

As long as there is enough clearance, then I would not worry about it.

Thanks!


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BarneyS

S.E. Lower Michigan

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Posted: 05/01/12 05:52pm Link  |  Print  |  Notify Moderator

Again, you have nothing to worry about! As long as you have enough thread on the cam arms to make necessary adjustments, you are ok. The WD will not change one bit because the cams still rest on the bars in exactly the same place. One will be adjusted out a small bit more than the other but the snap-up brackets and WD will be exactly the same. It doesn't matter where the mounting plate is as long as you have adjustment room on the arm.
Gijoecam was exactly right on the money when he said above, "Where is the difference? Again, if the bar ends are nested in the pockets like they should be, what does the arm care where the bracket is on the frame? It's the bar that moves, not the cam."
Barney


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BenK

SF BayArea

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Posted: 05/02/12 11:48am Link  |  Print  |  Notify Moderator

Eating some crow here...forgot that there was an adjustment to extend or compress
them

as long as they can be adjusted and not hit their stops, it should be good

Sorry

TheRevJosh

St. Louis, MO

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Posted: 05/02/12 08:00am Link  |  Print  |  Notify Moderator

gijoecam wrote:

So maybe you can explain how three threads about a defective lot of bolts from Reese is related to a misalignment of the brackets? I fail to see the connection here...

I'm quite familiar with how the setup works, if not the subtle nuances of the setup. I thoroughly understand how the forces are transferred in the system. The chains and the cams are adjusted such that they are above the ends of the spring bars. The location of the mounting brackets for the cams is not all that important for transferring the forces to the tongue. Theoretically you could mount the brackets behind the cams instead of out front and the system should perform exactly as intended. I'd wager a bet that a half inch difference from side to side would have no measurable affect on the performance or function of the system, but would also defer to the manufacturer for the final analysis.


I just got off the phone with Cequent and the representative confirmed that, as long as the bars were seated properly on the cams, the system would perform correctly even if the brackets weren't mounted the same distance from the coupler. He also said he didn't understand how someone could mount it that far off, and I completely agreed!

Not only are the brackets not the same distance from the coupler, but the chains were bolted to the wrong side of the bend on the hanger bracket, the hanger bracket was installed backwards on the cam, and the ball height was set about 4" above the height of the leveled trailer!


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TheRevJosh

St. Louis, MO

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Posted: 05/02/12 07:24am Link  |  Print  |  Notify Moderator

jerem0621 wrote:

op..pics would help,

i would be more concerned with the spring bar crashing into the dual cam arm which will cause issues like what BenK mentioned.

As long as there is enough clearance, then I would not worry about it.

Thanks!


The camper's parked up at the storage lot right now and I won't be able to get any pictures until this weekend.

There appears to be enough clearance on everything to me, but I'll let you all be the judges of that.

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