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Project: Add speakers to your 20" ACD
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<blockquote data-quote="LittleGuy" data-source="post: 689836" data-attributes="member: 53304"><p><strong>The Directions... Part 1</strong></p><p></p><p><strong>Directions:</strong></p><ol> <li data-xf-list-type="ol">Before you start, know that whenever you work with plexiglass, you always want to keep the protective coating on until the very end. This allows you to write on it and keeps it from scratching. I was lucky that my protective coating was paper, not plastic. So, your first step is to mark up the plexiglass so you know where to drill. Draw a horizontal line 1/2" from the bottom. Mark the bottom so you don’t get confused. Now, 7/8” above that line draw another horizontal line (See Figure 1).<br /> <br /> [ATTACH=full]8977[/ATTACH]<br /> </li> <li data-xf-list-type="ol">The top line will hold the screw that is attached to the monitor. Find the center of the line and mark it.</li> <li data-xf-list-type="ol">On the bottom line, we need to put the points for the speaker bar holes. Hold the plexiglass against the speaker bar so that it is centered and the bottom line is visible through the two holes. With your pencil, mark the center points for the holes on the plexiglass. This should give you the points to drill for the speaker support posts (See Figure 2).<br /> <br /> [ATTACH=full]8978[/ATTACH]<br /> </li> <li data-xf-list-type="ol">Next step... Drilling. Before you drill, get a nail and hammer and tap the 3 marks that you made. This will keep the drill from sliding around. Now, drill the two bottom marks with the 5/32” bit. We need these to be a bit tight so the screw stays in place and does not need a nut on the back side. To help this, be careful when drilling, drill slowly, and put a piece of wood underneath. You do not want to wiggle the drill once you punch through or back it out. We need that hole to be tight. Now, drill the top mark with the 9/64” bit (See Figure 3). SEE THE <span style="color: Red">AFTERNOTE</span> IN NEXT POST.<br /> <br /> [ATTACH=full]8979[/ATTACH]<br /> </li> <li data-xf-list-type="ol">Now it is time to prepare the nylon screws. We need to cut down the thumb screws so they go through the plexiglass tightly and stick out enough to go through the two holes on the speaker bar and keep it in place. We are not concerned about loosing the threading, but we need it to be tight so it does not come out or need a nut. The easiest way to do this is to put two nylon nuts onto a thumb screw and tighten them down. Now cut the nylon screw so it is exactly the length of the two nuts. That is, when both nuts are on, the screw end is flush to the last nut. Repeat this process with both thumb screws (Also in Figure 3).</li> <li data-xf-list-type="ol">Now the metal screw. This screw needs to go into the security slot of the monitor, head first. For it to fit, we need to grind the round head into something flat that will fit into the hole. Using the grinder, flatten the head so that if you looked at it from above, it would kind of look like half a circle. How flip the screw head over (flat side down) and do the same. The end result should be a screw with a head that looks the one in Figure 4.<br /> <br /> [ATTACH=full]8980[/ATTACH]<br /> </li> <li data-xf-list-type="ol">At this point it is safe to take off the protective coating on the plexiglass and put the two nylon thumb screws through the plexiglass (See Figure 5).<br /> <br /> [ATTACH=full]8981[/ATTACH]</li> </ol><p></p><p>To be continued...</p></blockquote><p></p>
[QUOTE="LittleGuy, post: 689836, member: 53304"] [b]The Directions... Part 1[/b] [B]Directions:[/B] [LIST=1]Before you start, know that whenever you work with plexiglass, you always want to keep the protective coating on until the very end. This allows you to write on it and keeps it from scratching. I was lucky that my protective coating was paper, not plastic. So, your first step is to mark up the plexiglass so you know where to drill. Draw a horizontal line 1/2" from the bottom. Mark the bottom so you don’t get confused. Now, 7/8” above that line draw another horizontal line (See Figure 1). [ATTACH=FULL]8977[/ATTACH] [*]The top line will hold the screw that is attached to the monitor. Find the center of the line and mark it. [*]On the bottom line, we need to put the points for the speaker bar holes. Hold the plexiglass against the speaker bar so that it is centered and the bottom line is visible through the two holes. With your pencil, mark the center points for the holes on the plexiglass. This should give you the points to drill for the speaker support posts (See Figure 2). [ATTACH=FULL]8978[/ATTACH] [*]Next step... Drilling. Before you drill, get a nail and hammer and tap the 3 marks that you made. This will keep the drill from sliding around. Now, drill the two bottom marks with the 5/32” bit. We need these to be a bit tight so the screw stays in place and does not need a nut on the back side. To help this, be careful when drilling, drill slowly, and put a piece of wood underneath. You do not want to wiggle the drill once you punch through or back it out. We need that hole to be tight. Now, drill the top mark with the 9/64” bit (See Figure 3). SEE THE [COLOR="Red"]AFTERNOTE[/COLOR] IN NEXT POST. [ATTACH=FULL]8979[/ATTACH] [*]Now it is time to prepare the nylon screws. We need to cut down the thumb screws so they go through the plexiglass tightly and stick out enough to go through the two holes on the speaker bar and keep it in place. We are not concerned about loosing the threading, but we need it to be tight so it does not come out or need a nut. The easiest way to do this is to put two nylon nuts onto a thumb screw and tighten them down. Now cut the nylon screw so it is exactly the length of the two nuts. That is, when both nuts are on, the screw end is flush to the last nut. Repeat this process with both thumb screws (Also in Figure 3). [*]Now the metal screw. This screw needs to go into the security slot of the monitor, head first. For it to fit, we need to grind the round head into something flat that will fit into the hole. Using the grinder, flatten the head so that if you looked at it from above, it would kind of look like half a circle. How flip the screw head over (flat side down) and do the same. The end result should be a screw with a head that looks the one in Figure 4. [ATTACH=FULL]8980[/ATTACH] [*]At this point it is safe to take off the protective coating on the plexiglass and put the two nylon thumb screws through the plexiglass (See Figure 5). [ATTACH=FULL]8981[/ATTACH] [/LIST] To be continued... [/QUOTE]
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