Originally Posted by smcpheters
Andy, maybe I have done somthing wrong.
The original axle was welded to the frame. The frame is a closed tube about 2 inches thick and four inches high. The original axle runs thru and is welded to angle iron. The angle iron is welded to the bottom of the frame. To remove the axle, I cut off the leg of the angle that the axle is running thru, thus releasing the old axle from the frame. The other leg of the axle is still welded to the frame.
The new axle has much the same thing, but shorter angle iron. The lenth from angle to angle is almost the same as the original, with 1/8 inch difference. There are 2 oblong holes on the top of the angle and 4 on the side.
I don't see a bracket or plate. Was this part of the original hardware or part of the new?
Upon further review of your photo's, you "do not" have an axle mounting plate.
Why, I don't know, as axles on the small units were welded in place in 61 but not in 62, that I am aware of.
There are two things you can do.
1. Weld the axle in place, the same way as the original axle. In that case, you don't need any bolts.
BUT, before you weld it in place, you must make absolutely sure that the axle is correctly aligned with the frame. You can make that measurement, using a common point on each side of the axle, such as the lower forward corner of the mounting bracket, and the "center" of the jack post, making sure that the jack post is not bent.
2. Install a axle mounting plate, which we have, making sure that it's aligned perfectly from side to side, as well as vertically.
The axle mounting plate is preferred, since welds can fracture, in time. That's one of the big reasons Airstream started to use those mounting plates, and still do.