This weekend the cold weather finally broke, and it was actually warm enough to work with the garage door open, which was a real treat.
Spent most of Saturday working on the windshield frame. This poor frame as been through the wringer: it looks like someone tried to fold it down with a seized hinge, and then bent it back into shape (sort of...and then covered the tears with JB weld or what have you). The windshield hinges were in fact seized when I first got the truck, but repeated applications of PB Blaster and WD-40 allowed them to free up, finally.
Here's the damage to both sides:
In terms of repair strategy, I did happen to have a spare frame that I acquired in the same lot of parts as the fuel tanks etc. The replacement frame was also bent in that same area (is it a common thing on these trucks, for people to bend the windscreen frame trying to fold it down??), but way less severely. So I marked it up and cut the corner out! I considered just swapping in this replacement frame, but it had other issues that made that a less desirable option.
Here's the corner clamped for grafting onto the old frame. You can see the dented area, which I tried to remove by heating with a torch and then inserting a piece of 1x1 steel tubing into the cut section of the frame and hammering it flat against the floor. That strategy did remove a lot of the dent, but not all of it. However, it did have the important effect of making the pillar plane with the lower front section of the frame, which I confirmed with a straightedge.
It was at this point that I realized that there was something seriously wrong with this windscreen frame. I could not get the old pillar to align with the newly-grafted corner. Taking a closer look, I realized that the damage to the pillar was much more extensive than I thought: the whole thing was crushed and distorted almost all the way to the top of the frame.
This pic shows the extent of the damage to the pillar, with the replacement piece on the right for comparison:
I realized that I would need to replace a much larger section of the frame, so that was my next step:
After much measuring, clamping, tack welding, and twisting, I was finally able to manipulate the frame back into shape. I still have a bit of work to do on this, but before leaving for the day, I needed to check to make sure that the repaired frame would fit, and it looks like it will!
Also looks the hinge pin on the passenger side has disintegrated, so I'll have to add that to the parts list.
All in all, this was one of the most challenging repairs I've done to date. Can't wait to see it all dressed up and looking sharp once again.