Inducted into the Jazzmaster owners' club

SpaceTimC

Joined: Apr 18, 2015
Posts: 189
Bay Area, CA
United States

Posted on Jun 12 2017 06:42 PM

So, I experienced the Famed Jazzmaster Bridge Disassembly Effect. I bought Loctite 222; but reading the instructions, it basically says to apply to (separate) threaded parts and assemble. I really don't want to have to totally disassemble the bridge, apply Loctite, reassemble, and intonate within 20 minutes as noted in the instructions.

So, if I just drop a drop on top of each grub screw, will that work to keep the screws in place?

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The Reverbivores - we're local favorites!

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DannySnyder

Joined: Mar 02, 2006
Posts: 11069
Berkeley, CA
United States

Posted on Jun 13 2017 12:28 AM

I believe the typical application is to unscrew a specific number of turns, apply the loctite and then re-screw the same amount of turns.

—

Danny Snyder

"With great reverb comes great responsibility" - Uncle Leo

I am now playing trumpet with Prince Buster tribute band 'Balzac'

Playing keys and guitar with Combo Tezeta

Formerly a guitarist in The TomorrowMen and Meshugga Beach Party

Latest surf project - Now That's What I Call SURF

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Badger

Joined: Nov 16, 2013
Posts: 4536
Wisconsin
United States

Posted on Jun 13 2017 05:51 AM

The purpose of that formulation of Loctite (vs Red) is that you can then adjust AFTER it has cured. You should be able to apply to a couple threads of the exposed screw, put it back where it goes, let it cure, and then adjust as needed. It doesn't make things immovable; it helps alleviate the inherent slop in the machining tolerances of the screws & saddle threads.

—

Wes
SoCal ex-pat with a snow shovel

DISCLAIMER: The above is opinion/suggestion only & should not be used for mission planning/navigation, tweaking of instruments, beverage selection, or wardrobe choices.

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Ariel

Joined: Aug 29, 2009
Posts: 1556
Israel
Israel

Posted on Jun 13 2017 07:54 AM

Even with blue or purple LT caution is recommended - apply as little Locktite as you can, a tiny point, to the thread itself. Careful not to drip into the screw's hex head.

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HallmarkSweptWinger

Joined: Jul 27, 2006
Posts: 1284
Berlinesia, Germanifornia
9 POTD Pins

Posted on Jun 13 2017 08:24 AM

Here I did a vid about bridge solutions.
I use simply liquid glue.
Take a look:
https://www.youtube.com/watch?v=BSxNMWfmTOM

You can use this strategy of course for all the other little screws in the bridge if needed.

—

Twang cheers!

Ralf Kilauea

www.kilaueas.de

https://kilaueas.bandcamp.com/album/touch-my-alien

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SpaceTimC

Joined: Apr 18, 2015
Posts: 189
Bay Area, CA
United States

Posted on Jun 13 2017 10:15 AM

Thanks everyone for the tips!

—

The Reverbivores - we're local favorites!

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Badger

Joined: Nov 16, 2013
Posts: 4536
Wisconsin
United States

Posted on Jun 13 2017 11:47 AM

Ariel wrote:

Even with blue or purple LT caution is recommended - apply as little Locktite as you can, a tiny point, to the thread itself. Careful not to drip into the screw's hex head.

True enough; it's only 2-3 threads in most cases that provide the load-bearing effort of a screw. For the search-engine ("loctite my bridge screws won't turn"), if you get the wrong kind in there & nothing turns, heat the screw a bit with the tip of a soldering iron.

I actually use the little sliver-of-thread-alongside-the-screw method nowadays and it works great but YMMV. Anything to mitigate vibration against things that aren't machined to real machine-shop tolerances.

—

Wes
SoCal ex-pat with a snow shovel

DISCLAIMER: The above is opinion/suggestion only & should not be used for mission planning/navigation, tweaking of instruments, beverage selection, or wardrobe choices.

Top

eddiekatcher

Joined: Mar 14, 2006
Posts: 2778
Atlanta, GA
1 News Pin

Posted on Jun 13 2017 12:47 PM

Later, if you have trouble turning one of the screws for an adjustment, simply heat up the top of that screw with a small soldering iron. No need to apply additional Loctite.

I use the tip of a toothpick to dab small amounts of Locktite on the treads.

ed

—

Traditional........speak softly and play through a big blonde amp. Did I mention that I still like big blonde amps?

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Badger

Joined: Nov 16, 2013
Posts: 4536
Wisconsin
United States

Posted on Jun 13 2017 01:01 PM

eddiekatcher wrote:

Later, if you have trouble turning one of the screws for an adjustment, simply heat up the top of that screw with a small soldering iron. No need to apply additional Loctite.

I think the difference in this mind-meld is Eastern vs Central time. That's my excuse & stickin' to it - right up to my old guy nap.

—

Wes
SoCal ex-pat with a snow shovel

DISCLAIMER: The above is opinion/suggestion only & should not be used for mission planning/navigation, tweaking of instruments, beverage selection, or wardrobe choices.

Top

SpaceTimC Joined: Apr 18, 2015 Posts: 189 Bay Area, CA	Posted on Jun 12 2017 06:42 PM So, I experienced the Famed Jazzmaster Bridge Disassembly Effect. I bought Loctite 222; but reading the instructions, it basically says to apply to (separate) threaded parts and assemble. I really don't want to have to totally disassemble the bridge, apply Loctite, reassemble, and intonate within 20 minutes as noted in the instructions. So, if I just drop a drop on top of each grub screw, will that work to keep the screws in place? — The Reverbivores - we're local favorites! Top
DannySnyder Joined: Mar 02, 2006 Posts: 11069 Berkeley, CA	Posted on Jun 13 2017 12:28 AM I believe the typical application is to unscrew a specific number of turns, apply the loctite and then re-screw the same amount of turns. — Danny Snyder "With great reverb comes great responsibility" - Uncle Leo I am now playing trumpet with Prince Buster tribute band 'Balzac' Playing keys and guitar with Combo Tezeta Formerly a guitarist in The TomorrowMen and Meshugga Beach Party Latest surf project - Now That's What I Call SURF Top
Badger Joined: Nov 16, 2013 Posts: 4536 Wisconsin	Posted on Jun 13 2017 05:51 AM The purpose of that formulation of Loctite (vs Red) is that you can then adjust AFTER it has cured. You should be able to apply to a couple threads of the exposed screw, put it back where it goes, let it cure, and then adjust as needed. It doesn't make things immovable; it helps alleviate the inherent slop in the machining tolerances of the screws & saddle threads. — Wes SoCal ex-pat with a snow shovel DISCLAIMER: The above is opinion/suggestion only & should not be used for mission planning/navigation, tweaking of instruments, beverage selection, or wardrobe choices. Top
Ariel Joined: Aug 29, 2009 Posts: 1556 Israel	Posted on Jun 13 2017 07:54 AM Even with blue or purple LT caution is recommended - apply as little Locktite as you can, a tiny point, to the thread itself. Careful not to drip into the screw's hex head. Top
HallmarkSweptWinger Joined: Jul 27, 2006 Posts: 1284 Berlinesia, Germanifornia	Posted on Jun 13 2017 08:24 AM Here I did a vid about bridge solutions. I use simply liquid glue. Take a look: https://www.youtube.com/watch?v=BSxNMWfmTOM You can use this strategy of course for all the other little screws in the bridge if needed. — Twang cheers! Ralf Kilauea www.kilaueas.de https://kilaueas.bandcamp.com/album/touch-my-alien Top
SpaceTimC Joined: Apr 18, 2015 Posts: 189 Bay Area, CA	Posted on Jun 13 2017 10:15 AM Thanks everyone for the tips! — The Reverbivores - we're local favorites! Top
Badger Joined: Nov 16, 2013 Posts: 4536 Wisconsin	Posted on Jun 13 2017 11:47 AM Ariel wrote: Even with blue or purple LT caution is recommended - apply as little Locktite as you can, a tiny point, to the thread itself. Careful not to drip into the screw's hex head. True enough; it's only 2-3 threads in most cases that provide the load-bearing effort of a screw. For the search-engine ("loctite my bridge screws won't turn"), if you get the wrong kind in there & nothing turns, heat the screw a bit with the tip of a soldering iron. I actually use the little sliver-of-thread-alongside-the-screw method nowadays and it works great but YMMV. Anything to mitigate vibration against things that aren't machined to real machine-shop tolerances. — Wes SoCal ex-pat with a snow shovel DISCLAIMER: The above is opinion/suggestion only & should not be used for mission planning/navigation, tweaking of instruments, beverage selection, or wardrobe choices. Top
eddiekatcher Joined: Mar 14, 2006 Posts: 2778 Atlanta, GA	Posted on Jun 13 2017 12:47 PM Later, if you have trouble turning one of the screws for an adjustment, simply heat up the top of that screw with a small soldering iron. No need to apply additional Loctite. I use the tip of a toothpick to dab small amounts of Locktite on the treads. ed — Traditional........speak softly and play through a big blonde amp. Did I mention that I still like big blonde amps? Top
Badger Joined: Nov 16, 2013 Posts: 4536 Wisconsin	Posted on Jun 13 2017 01:01 PM eddiekatcher wrote: Later, if you have trouble turning one of the screws for an adjustment, simply heat up the top of that screw with a small soldering iron. No need to apply additional Loctite. I think the difference in this mind-meld is Eastern vs Central time. That's my excuse & stickin' to it - right up to my old guy nap. — Wes SoCal ex-pat with a snow shovel DISCLAIMER: The above is opinion/suggestion only & should not be used for mission planning/navigation, tweaking of instruments, beverage selection, or wardrobe choices. Top

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Inducted into the Jazzmaster owners' club