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I don't see a cut and dry 50/50 photo selection. The manual photo carries the greatest weight. The rest of the "After they left the factory" photos could easily have been reversed in the field. Also keep in mind that illustrations in TM 9-804 and TM 9-8012 are for the most part based on a new un-repaired jeep and those in TM 9-1804B show one being repaired. The three figures in TM 9-8012, 126, 127 & 128 all seem to show the bottom of the slot forward while the illustrations in TM 9-1804B 10 & 11 seem to show the bottom of the slot aft.

Let's examine what happens when they are installed:

Installation one:


I believe this to be correct for a factory new installation which has an untwisted cowl or windshield.. It matches the TM 9-8012 and make sense.
When you adjust the window upwards it also moves rearward. This makes sense because the purpose of adjusting upwards is to increase the angle to the rear at the top and have the windshield sit further aft on the cowl.

When you adjust the windshield downward it also moves forward. This is correct since we want the top angle more vertical and the windshield to sit further foward on the cowl.

Installation two:


I believe this to be incorrect for a factory installation because it causes the windshield movement to contradict itself when adjusting but in so doing this can often help when the windshield or cowl is twisted. It works well when there is a conflict between the distance from the top of the windshield to the rear tailgate top which effects the fit of the top and when there are conflicts with the windshield to door angle.

OK I tried last night and had many issues trying to get it right with the slope down toward aft direction. Gave up for the evening to sleep on it. Today when I got home, I flopped them so now the slope goes up toward the aft direction and got it dialed in within 30 min.
So, I have to agree with Wes and my vote is this way:

Useful tip from the home of daft ideas:
Once you've found which orientation works best on your jeep, get a small letter punch kit and stamp "L" or "R" on the inside face of the respective pivot bracket.

Owen.

On my M38 the windshield bracket slots are high-front, low-back.

And on mine, which has an Arctic Top with OD paint & hood numbers but still has the pivoting windshield brackets, they are low-front, high-back. That said, I don't count on anything on mine being correct, given the amount of "civilizing" it went through by POs.

This NOS one's on Ebay:

http://www.ebay.co.uk/itm/Willys-Jeep-N ... 2320b5a0b3

Owen.

evanso1975 wrote:This NOS one's on Ebay:

http://www.ebay.co.uk/itm/Willys-Jeep-N ... 2320b5a0b3

Owen.

Which is shown with the same packaging as your photo earlier in this thread (LEFT), and it is high-front/low-rear! Interesting.

Got it for 7bucks shipped on flea-bay, i think i got out ok.
Nos left side, runs hi to low, front to rear. Now maybe i can
get my windshield properly adjusted now that i have a left and rt
bracket. Just wanted to follow up on the post..

Let us know how it goes Rick. I had no luck getting it in that way. I put mine with slots low to high fore to aft direction. The other way put the frame too far forward on the cowl. See mine and Wes's post above. I know what the box says but nothing is 100%. Other vendors list them the other direction as I put them in. Seems they are installed either way when you study various pics so I suppose what ever works, roll with it.

My adjustment complaint was 2 fold.
1.The drivers side latch was binding in the windshield mt rifle rack.
2. I built my rods for the top bows per the swell info found on this site
for (future) canvas top but the drivers side was binding.

Installed the left side bracket newly purchased and 15 mins everything
lines up

I am high side front, low side aft..
Right or wrong this is whats working on my truck.