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Author Topic:  Need to remove push pull changer
Brian Spratt


From:
Oklahoma, USA
Post  Posted 1 Jul 2023 7:02 am    
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I’ve decided I need to remove and disassemble and clean the changer on my Emmons push pull. Multiple rounds of naphtha, compressed air, and tri-flow just aren’t cutting it at this point. I have Clem’s book and video as a guide but one question - can I expect to keep much of the rods and collars etc in place and still get the changer out. Or do I just need to bite the bullet and remove pretty much everything underneath? Any advice?
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Abe Levy


From:
California, USA
Post  Posted 1 Jul 2023 7:55 am    
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You will need to disconnect every pull rod hook and loosen all the collars and pull the push rods back. One thing I’d recommend is keeping all the fingers and spacers in the same order - I run a wire through them as I disassemble, and tie it off while I clean (thanks Lynn Stafford) because they tend to wear a certain way against each other. Good luck!
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Mostly Pre-1970 guitars.
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Bill Sutton

 

Post  Posted 1 Jul 2023 9:26 am    
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Hello Brian Bill Sutton here. I pulled my Emmons Legrande Guitar down to clean the Changer...but before I did I made notes on everything...like what holes the pull rods were in on the changer for raise and lower...and what holes they were in on the bell cranks...so when I putt everything back I would put back in the correct position. Everything that is connected to the changer will have to come off. After I got it apart I noticed the Changer axle was worn A little on one side. When I put back together I turned it just A little to A better position...now I used A fine Gun oil...but I dont know if that was the right thing to do. Billy Knowles or Ricky Davis would be the Folks you could trust on that Info. After I gave everything A good cleaning...I put everything back together using my notes...and thank God it was all good. The Guitar pedal action was much better...and everything was very smooth. Its A very tuff job but well worth the time. Good luck.
Brian Spratt


From:
Oklahoma, USA
Post  Posted 1 Jul 2023 12:09 pm    
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Thanks for the help guys. I appreciate it!!
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Abe Levy


From:
California, USA
Post  Posted 1 Jul 2023 1:19 pm    
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Adding to what Bill said above, take copious photos of everything before - from as many angles as possible. Goes without saying, but you can't say it enough! Good luck!
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Mostly Pre-1970 guitars.
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Kelcey ONeil


From:
Sevierville, TN
Post  Posted 1 Jul 2023 4:05 pm    
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Brian,
You use a scratch awl to number the fingers as they come off of the axle, so you can reassemble in order. Berryman carb cleaner works wonders, and Slick 50 is good lubrication for reassembly.
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Co-owner and operator: Emmons Guitar Co.
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Brian Spratt


From:
Oklahoma, USA
Post  Posted 1 Jul 2023 6:05 pm    
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Kelcey thanks for the suggestions. I see a few variations of the Berryman carb cleaner and slick 50. Do these look like what you’d recommend?





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Mike Vallandigham

 

From:
Martinez, CA
Post  Posted 2 Jul 2023 7:21 am    
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If I have to de rod a guitar one thing I do is take a pencil or a fine sharpie and mark where the collar sits on each rod. Then you can get them back close to the same position as a starting point fir fine tuning upon reassembly. A pencil works..just don't wipe it off by accident.

That and all the other great suggestions above.

And like said above..don't take the rods all the way out, just pull them back enough to get them out of the changer.
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Kelcey ONeil


From:
Sevierville, TN
Post  Posted 2 Jul 2023 10:06 am    
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Brian,
Correct on both counts.
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Co-owner and operator: Emmons Guitar Co.
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Bill Ford


From:
Graniteville SC Aiken
Post  Posted 3 Jul 2023 4:52 am    
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Also, the rods need a certain amount of slack.
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Bill Ford S12 CLR, S12 Lamar keyless, Misc amps&toys Sharp Covers
Steeling for Jesus now!!!
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Tony Glassman


From:
The Great Northwest
Post  Posted 3 Jul 2023 8:28 am    
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Don’t forget to rotate the changer axle 180 degrees from its original position when reassembling your changer to get a less-worn & smoother changer finger load-bearing surface.
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Bobby D. Jones

 

From:
West Virginia, USA
Post  Posted 3 Jul 2023 7:31 pm    
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Be sure to take pictures and mark everything.
Use a magic marker, and a sharp tool to mark exact spot, where sliding adjusted parts and collars must be set exact, For proper operation.
About 2 months ago I took both changers out of a MSA Classic
and cleaned and fixed some problems in the changer. I actually strung all the parts in order on a nylon string. Put a key ring in the loop so everything stayed in order. What you may find is Lube that has turned into near dry paint. It may take knife scraping and steel wool to clean proper.

Took some work to give this MSA Classic its 50 year bath, But it was worth the effort.
Good Luck in this project, And Happy steelin.
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Andy Gibson

 

From:
Tennessee USA
Post  Posted 4 Jul 2023 10:26 am     Cleaning parts
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Has anyone ever used an ultrasonic cleaner for this kind of job?

https://en.wikipedia.org/wiki/Ultrasonic_cleaning

https://www.harborfreight.com/25-liter-ultrasonic-cleaner-63256.html
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Bobby D. Jones

 

From:
West Virginia, USA
Post  Posted 4 Jul 2023 3:01 pm    
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I have a Ultra sonic cleaner. I hit it with Carb Cleaner, Put the changer parts in the U S Cleaner. It removed part of the old goop. But I had to take it out and actually scrape the 50 year old hardened lube off some of the parts and 0000 steel wool to remove all hard lube. After scraping and steel 0000 steel wool, It went back in the Sonic Cleaner. Picture below is result.

If I was pulling another changer for full service, I would find and buy or machine out a set of rivets. Would make cleaning easier and replacing any worn rivets would make the changer closer to factory specs.

Picture file
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Bobby D. Jones

 

From:
West Virginia, USA
Post  Posted 5 Jul 2023 9:07 pm    
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I found some pictures of the MSA All Pull changer and the junk I found inside, On the scissors when I cleaned it.
Here is the dried lube I had to scrape off and 0000 steel to bare metal.

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Brian Spratt


From:
Oklahoma, USA
Post  Posted 23 Jul 2023 3:37 pm    
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I got the changer out and tore apart. I sprayed it with degreaser and soaked it in Berryman carb cleaner for a half hour. The fingers are pretty clean now. I did notice that the degreaser I used caused some discoloration of the polished aluminum at the top of the fingers. I had pretty good success buffing it out with California Customs polish but it wasn’t quite perfect. Has anyone else had this problem? Did I just use a bad degreaser?




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Bobby D. Jones

 

From:
West Virginia, USA
Post  Posted 23 Jul 2023 7:08 pm    
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The changer looks great, Sorry to hear the cleaner hurt the aluminum fingers.

Some of the cleaners have caustic materials in them to cut grease, Caustics will eat on aluminum.

When I worked for Westinghouse in the Sealed Beam section. My Job at lunch time, Was to pull the Aluminuumizer liners out. Take them to a large vat filled with hot Caustic Soda. Leave them in till no bubbles, Rinse and lay them on annealer oven to dry and reinstall.
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Brian Spratt


From:
Oklahoma, USA
Post  Posted 24 Jul 2023 3:47 am    
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Here you can see the results of using California customs polish on the changer ends. It’s pretty close to perfect but looking really close you can see it’s not perfect.

Question: what should I lube the axle with? Slick 50 (which I bought to use lightly between the fingers during reassembly)?

Also, would 0000 steel wool be a good idea on the finger contact surfaces and the axle? Seems like it would smooth out some minor irregularities without doing anything drastic. Thoughts?

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Bill Ford


From:
Graniteville SC Aiken
Post  Posted 24 Jul 2023 3:51 am    
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Bobby D. Jones wrote:
The changer looks great, Sorry to hear the cleaner hurt the aluminum fingers.

Some of the cleaners have caustic materials in them to cut grease, Caustics will eat on aluminum.

When I worked for Westinghouse in the Sealed Beam section. My Job at lunch time, Was to pull the Aluminuumizer liners out. Take them to a large vat filled with hot Caustic Soda. Leave them in till no bubbles, Rinse and lay them on annealer oven to dry and reinstall.


Old saying... "when the bottom falls out" Learned the hard way, mixed red devil powered lye in an aluminum pot to do some paint removal, started boiling, bottom of pot literally disintegrated, was outside, no injuries, lesson learned.
Aluminum and caustic don't play well.
_________________
Bill Ford S12 CLR, S12 Lamar keyless, Misc amps&toys Sharp Covers
Steeling for Jesus now!!!
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Brian Spratt


From:
Oklahoma, USA
Post  Posted 24 Jul 2023 6:40 pm    
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I took all the advice here and now I’m in the process of reassembling. I was able to buff out the markings from the degreaser. See below.


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Bobby D. Jones

 

From:
West Virginia, USA
Post  Posted 27 Jul 2023 11:01 am    
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Looks great, Looks New, Many years of Happy Steelin in that baby.
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Ivan Funk

 

From:
Hamburg Pennsylvania, USA
Post  Posted 28 Jul 2023 12:11 am    
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Very nice!
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Abe Levy


From:
California, USA
Post  Posted 29 Jul 2023 11:25 pm    
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I was told long ago that white lithium grease is what was used on the changer axle by the factory, so that is what I use as I assemble, but I lubricate the changer with tri flow.
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Mostly Pre-1970 guitars.
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Dave Magram

 

From:
San Jose, California, USA
Post  Posted 30 Jul 2023 1:34 am    
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Abe Levy wrote:
I was told long ago that white lithium grease is what was used on the changer axle by the factory, so that is what I use as I assemble, but I lubricate the changer with tri flow.

Abe,
White lithium grease has a reputation of drying up and hardening over time. The caked-on stuff in the photos that Bobby Jones posted looks like it might be white lithium grease.

If you really want to use a grease on the changer axle, you might consider Teflon grease instead.
Or, since Kelcey co-owns the present-day Emmons Guitar Co. and has a lot of experience repairing pedal steel guitars, you may want to consider his recommendation of "Slick 50".

- Dave
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Kelcey ONeil


From:
Sevierville, TN
Post  Posted 30 Jul 2023 4:35 am    
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Dave Magram wrote:
Abe Levy wrote:
I was told long ago that white lithium grease is what was used on the changer axle by the factory, so that is what I use as I assemble, but I lubricate the changer with tri flow.

Abe,
White lithium grease has a reputation of drying up and hardening over time. The caked-on stuff in the photos that Bobby Jones posted looks like it might be white lithium grease.

If you really want to use a grease on the changer axle, you might consider Teflon grease instead.
Or, since Kelcey co-owns the present-day Emmons Guitar Co. and has a lot of experience repairing pedal steel guitars, you may want to consider his recommendation of "Slick 50".

- Dave


It is true that Emmons and several others used white lithium grease, particularly in the late 70s/ early 80's; it is also true that it may be one of the worst products to use because it deteriorates with age. I've had closet queen guitars in completely original condition be basically non functional because the grease had dried and hardened. It's pretty easy to tell where white lithium was used because, well... it's white!

On the other hand, I've encountered guitars from the 60s that were also closet queens where oil or perhaps some other type of grease was used, that were completely free after more than 50 years.
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Co-owner and operator: Emmons Guitar Co.
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