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How do I adjust the windscreen frame angle?


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I'm now onto the biggest issue with my car, that of the windscreen frame.

 

The gentleman who did the restoration assembled the car for local certification, but didn't bother to install the new side windows he'd had made as they weren't necessary for compliance. He didn't get back to the side windows until a couple of years later at which point he found that the windscreen frame was laying backwards by 2.5 degrees more than it should. What's worse, he noted this after he'd had a new soft -top fitted.

 

So, the time has come to address this and I suspect that the soft-top will need to be modified after the frame is sorted.

 

Under the dash each side are the retaining brackets with 2 bolts to the outside in front of the doors and what appears to be another bolt accessed internally. On the driver's side this bolt is missing.

 

Can anyone confirm that the process to adjust the frame angle is (after the car is off my hoist and back on its wheels)?

 

Loosen the 3 bolts each side

Loosen the 3 clamp nuts on the dash

Manhandle the screen to the correct angle (hopefully matching both side windows)

Tighten the bolts each side under the dash

Tighten the 3 nuts on the dash

 

Sounds simple, but I'm sure its not :unsure:

 

post-14246-0-96464900-1487576238_thumb.jpg

 

Gavin

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Pretty much but dont forget the nuts on the bottom of the tubes too. They pull the screen down when you have the right angle but you do need to slack them off whilst adjusting or depending on how well the tubes are attached to the frame they can get bent/damaged or worst case pulled out of the frame..

Stuart.

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Just a word of warning. If rust has got into the frame ( and often it is hidden inside) when you stress the frame you can snap off the tubes.

This happened to me. Luckily I was changing the frame anyway as there was clearly a rust problem.

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Hi Gavin,

when you get the screen free remove it completely and check the lower corners.

This is where all water/moisture sumps to and it can go very rusty very quickly.

 

If caught in time it is often an easy repair if left late then it is a nightmare.

 

Perhaps old father time has caught up with the screens and new ones should be made - but it is a very complex fabrication.

 

Roger

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Pretty much but dont forget the nuts on the bottom of the tubes too. They pull the screen down when you have the right angle but you do need to slack them off whilst adjusting or depending on how well the tubes are attached to the frame they can get bent/damaged or worst case pulled out of the frame..

Stuart.

 

Check the screen rubber is not stuck down first.

 

Thanks Stuart and Neil. That's a couple of things I hadn't considered, although I'm pretty sure the base rubber isn't stuck down, but will certainly check it again before I do anything :)

 

Gavin

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Thanks Tim and Roger for your comments re corrosion in the frame. As you can see from the photo, the retaining brackets are in excellent order with the main hold-down shaft/bolts well greased. The frame itself looks like new and I know the car hasn't been out in the rain since it was restored so I'm confident all is good in that department.

 

However, is there some way of ensuring water doesn't accumulate inside - some strategic drill points for drainage perhaps?

 

Gavin

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Hi Gavin,

I'm sure it is possible to put a few holes in the bottom corners and drain through into the plenum etc.

However it is probably easier to stop water getting in and get the inside painted/protected to ensure water has no effect. It is a messy job though.

 

Make sure there is a mastic seal under the windscreen cap.

 

Roger

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Available through Amazon if needed,

 

https://www.amazon.co.uk/INDASA-Windscreen-Sealant-310-Sunroof/dp/B006M11ZA0

 

Mick Richards

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Thanks Neil and Mick. Managed to find a local trade supplier for the product and quite well priced too. Looks like a very useful sealant so I've gone ahead and ordered a tube (along with some more rust preventative products).

 

Cheers

Gavin

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Hi Gavin,

as you will find when start to play with it, it is a non-setting mastic.

Can be used around the windscreen rubbers to seal them if needed.

 

Roger

 

Would it suit to hold the seal under the cool air flap in place Roger? That's come free and I was wondering what to re-fix it with.

 

Gavin

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