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The issue I was having it that the head of the tow bar rod that is inside the tube wouldn’t jump over the spring loaded pin. If you remove the spring loaded pin you will see that there is a chamfer on it so that it can ride over the head of the pin/ tow rod. After getting parts from the factory once and sending it back it still would get stuck and not jump over to the lock/travel position. Then when this happening I couldn’t pull the pin by hand so it could get to the lock position because the weight of the road was jamming it.
Finally, I disassembled the arms and noticed that the inside of the head on the inner tow rod didn’t have a matching chamfer angle on it like the pull pin had. I ground an angle on the inside of the head large enough so that the pull pin angle would hit it allowing it to jump over. Works so smooth now
I know some may say that doing this lessons the contact area of the inside head to the bottom of the tube but no matter what that head is not coming through that tube. Ideally the same angle would be machined at the bottom of the tube but as it is the strength and longevity of the unit is not compromised.
I sent a video and explanation to the factory hoping that they would consider a revision but to my knowledge this has not happened
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Steven & Laurie
2006 Moncaco Executive Ranier
Detrioit Series 60 (515HP), Allison 4000 series
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Linear Mode
