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PowerBook 160 help (broken hinge mount)


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Oh, does it work better than before? That's great to hear!

 

Impressive job on the hinges! I have many laptops with damaged hinges, but I've never tried a proper repair. Once there was a conspicuously lacking metal bracket - there never was one there but there clearly was space for one - so I cut one out of sheet metal, and it served to spread the tension across the lid instead of focusing it on right where the hinge was. Horribly bad design thats guaranteed to fail when the plastics age a few years.

 

The other time I didn't feel like messing with JB weld (I've never used it) so I used a Dremel to modify the hinge so that it was looser and put less tension on the plastics. Don't worry, it wasn't a vintage laptop, just a poorly designed Lenovo from the '10s, but yeah it made it rather floppy then.

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On 12/26/2018 at 7:36 AM, OleLila said:

Here is my progressive repair of one of the two broken hinges on a PB 160. This is JB weld. It is a game of less than millimeters to get these to line up. It was difficult even using the remains of the shattered support. The pictures are from the first attempt. I did heap up the JB Weld, but it flattened some during the initial drying. I used a dremmel to shave away the JB weld so the hinge would fit. It was not a quick process...shave, try hinge, find resistance, shave, repeat. In the pictures with the hinge screwed on, you can see that the right post is a little off...I got a screw in, but it broke fairly promptly.

 

On the second try (not pictured). I coated the screw and the back of the hinge with olive oil, then, carefully keeping the oil off the post, I screwed the post onto the hinge, then put the JB weld down and pressed the hinge into place and screwed on the good side to hold it in place for drying. I was very careful with replacing the LCD, etc but so far so good. Also,the unbroken posts were shored up with some JB weld while there , but even in doing this, I had to dremmel a lot away of that JB Weld that had just been put down to get the hinge back on.

 

Thanks to Jannai for the bright screen (capped).

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OleLila, thank you for posting about this! I just bought some epoxy today, and I’ve got some broken back casings to experiment with, so hopefully I can successfully repair one! The original back casing for my 170 desperately needs repair, so I’m going to start with that one first (I’ve put a different, cosmetically worse, but structurally better back case on my 170 for now).

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On 1/3/2019 at 11:42 PM, PB145B said:

OleLila, thank you for posting about this! I just bought some epoxy today, and I’ve got some broken back casings to experiment with, so hopefully I can successfully repair one! The original back casing for my 170 desperately needs repair, so I’m going to start with that one first (I’ve put a different, cosmetically worse, but structurally better back case on my 170 for now).

I myself have just tried two part epoxy on my 145B and so far so good. I need to try on some of my more destroyed machines though and see about building up the lugs in the right place when they are destroyed.

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One thing i did with a powerbook 170 and a IBM thinkpad with stiff hinges is take the spring out of one of the hinges and loosen the hinges using a plyers now only one side has a spring in the hinge holding the screen and other side is free. Just dont loosen the spring hinge to much. 

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