Some of you have been asking about how to remove the lower window and also how to adjust the window. It is easy but there are a couple of booby traps.
Here we go.
From page 53 of the Premium/LE manual,
Item #4) the window is secured with eight 6-32 3/4" screws. They are Torx screws with size T-10 torx bit.
Item #2 there are 8 o-rings the window mounts on.
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1) Unscrew the 8 screws but do NOT remove them. When they are completely unscrewed, you will be able to wiggle them around. Don't remove them.
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2) Then remove the bottom screw only. With this screw removed, you may have to use it or another longer screw you might have in your parts kitty.
Your window could be "stuck" onto the play field and you will need to insert the screw into the hole and apply a little pressure to gain leverage to remove the window.
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With the window removed this is what you might see. When the screw was removed this o-ring was left lying. (If you don't see an o-ring laying here the odds are it has stuck to the window. Reinstall the screw you removed and don't lose this o-ring). At the bottom position the o-ring will go nowhere. All the other o-rings might fall down into the basement. It is not the end of the world but it is a PIA.
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Here is the window showing the screws and o-rings. Leaving the screws in the window keep control of the o-rings.
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Installing the window is the reverse of removing it.
Now you need to adjust the window to play field height.
To do that you need this.
Take a credit card or similar piece of plastic. Cut the card to an angle on both sides. You want the corners of your cut to be sharp and to the point. No rounded corners !
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Run all 8 of the torx screws down. Do not tighten them. At this point in the adjustment you should be able to hook a fingernail on the edge of the window all the way around.
Place the credit card on the play field and point it towards the first screw you are going to tighten down. Start tightening the screw until the card will not catch the window. Once the card can slide onto the window then place the card on the window and slide toward the play field. When you can move the card in both directions and it does not catch you are adjust even. Now go to the screw on the opposite side of the side and repeat. Alternate back and forth on which screws you tighten to keep things even.
Now go back and recheck your first screw. Keep fine tuning until the credit card does not hang on the window or the play field. Now you are even.
The o-rings provided the tension and the spring-back to keep the window level. It may need to be adjust from time to time. At some point in the future the o-rings with get hard and lose their elasticity. Then you will need to replace them.
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