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Viewing topic "Need screws for the bottom of my XF8. Help?"

     
Posted on: February 13, 2018 @ 10:14 AM
djfl
Total Posts:  29
Joined  03-24-2015
status: Regular

Hi there. So my XF8 has been bleeding screws since I got it. It was already missing some, and I didn’t tighten the others when I bought it. D’oh.

I’d like to go to my local hardware store and buy the right screws. Are there specs for exactly what screws I need? I can eyeball them and guess, but I’d like to make sure I have the optimal length, width, and thread pattern (the twirly screwy circlies that make a screw a screw).

I’ve looked online from the yamaha site to sentaur to here and can’t find the info.

Thanks!

  [ Ignore ]  

Posted on: February 13, 2018 @ 11:37 AM
robinvt
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Total Posts:  150
Joined  01-16-2012
status: Pro

Here is a service manual.  You can look up the part number and check with Yamaha what a replacement screw spec would be.
File is too big to attach, sorry.

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Posted on: February 13, 2018 @ 12:17 PM
5pinDIN
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Joined  09-16-2010
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SM https://elektrotanya.com/yamaha_motif_xf6_xf7_xf8.pdf/download.html

See pages 189 and 191 of the PDF. The description gives type of head, whether tapping thread, and diameter x length (in millimeters).

Getting a precise match from a hardware store will be hit-or-miss. That’s particularly true for tapping screw threads (pitch), less so for machine screws. Bringing along some from the XF8 would likely improve the odds, but I suggest that you order the screws from Yamaha.

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Posted on: February 14, 2018 @ 04:35 AM
alanb
Total Posts:  295
Joined  02-15-2009
status: Enthusiast

Same thing happens to me....I am constantly finding screws on the floor from the bottom of my XF8.

  [ Ignore ]  

Posted on: February 14, 2018 @ 05:21 AM
5pinDIN
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alanb - 14 February 2018 04:35 AM

Same thing happens to me....I am constantly finding screws on the floor from the bottom of my XF8.

Adding toothed lock washers might help.

By the way, it isn’t a new problem…
http://www.motifator.com/index.php/forum/viewthread/457801/

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Posted on: February 15, 2018 @ 12:31 PM
djfl
Total Posts:  29
Joined  03-24-2015
status: Regular

Thanks for the input, all. I’ll try ordering from Yamaha. I’ll probably pay extra, but better safe than sorry. I don’t want the wrong screws coming loose in my road case and scratching up the beauty that is the XF8 WH. Cheers!

  [ Ignore ]  

Posted on: February 15, 2018 @ 02:22 PM
cmayhle
Total Posts:  3057
Joined  10-05-2011
status: Guru

I have never had an issue with screws falling out of my XF, or any of my other gear for that matter, but I sometimes find loose screws that appear to have come from my head....

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Posted on: February 15, 2018 @ 04:24 PM
5pinDIN
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cmayhle - 15 February 2018 02:22 PM

I have never had an issue with screws falling out of my XF, or any of my other gear for that matter, but I sometimes find loose screws that appear to have come from my head....

I suspect many of us have had days like that.  :-)

Which raises a question…
Would a “screwdriver” help, or further loosen things up?

I’m, of course, referring to…
https://en.wikipedia.org/wiki/Screwdriver_(cocktail)

  [ Ignore ]  

Posted on: February 15, 2018 @ 05:06 PM
philwoodmusic
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This thread is very interesting.

How on earth is this happening?

(ruling out paranormal activity, of course)

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Posted on: February 15, 2018 @ 06:05 PM
5pinDIN
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philwoodmusic - 15 February 2018 05:06 PM

This thread is very interesting.

How on earth is this happening?

(ruling out paranormal activity, of course)

Unlike the 61- and 76-key models, which have metal bottom covers, the 88-key ones have wood composite (fiberboard) bottom panels. Even if screws are properly tightened initially, that material tends to compress a bit over time and the screws will loosen. Presumably, vibration and gravity do the rest.

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Posted on: February 15, 2018 @ 08:11 PM
philwoodmusic
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Total Posts:  929
Joined  07-01-2013
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I’ve played one a few times, but never looked under one.

This thread was enough to make me check the screws on my XF7 though, before you pointed that out.

  [ Ignore ]  

Posted on: February 15, 2018 @ 08:31 PM
cmayhle
Total Posts:  3057
Joined  10-05-2011
status: Guru
5pinDIN - 15 February 2018 04:24 PM
cmayhle - 15 February 2018 02:22 PM

I have never had an issue with screws falling out of my XF, or any of my other gear for that matter, but I sometimes find loose screws that appear to have come from my head....

I suspect many of us have had days like that.  :-)

Which raises a question…
Would a “screwdriver” help, or further loosen things up?

I’m, of course, referring to…
https://en.wikipedia.org/wiki/Screwdriver_(cocktail)

That would certainly loosen things a bit further.  But a few more screws loose would probably cease to be an issue at that point.

  [ Ignore ]  


 
     


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