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Post subject: Cleaning pots on Mustang III v2
Posted: Fri Jul 26, 2019 9:22 pm
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Hello, I need to clean the Master volume pot on my MIIIv2. I removed all screws on the top of the cabinet, and all screws to remove the board below the amp chassis. I was able to remove the board to expose the chassis innards, but it seemed as if the amp chassis is glue to the top of the cabinet so I wasn't able to remove the chassis. Has anyone been able to disassemble the amp enough to get to the pots to spray cleaner in them?


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Post subject: Re: Cleaning pots on Mustang III v2
Posted: Sat Jul 27, 2019 5:06 am
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Location: Province de Québec, Canada
Chassis are never glued to cabinet.

Maybe some rubber cushion between chassis or cabinet are sticky ?
Use a tool to pry chassis.

Pot ; I don't know if those one are sealed.
Best is to turn them at least 20 turns, this could clean pots.

If you need to use contact cleaner, use only good one like Deoxit or CG Chemical. Other one may not do the job


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Post subject: Re: Cleaning pots on Mustang III v2
Posted: Sat Jul 27, 2019 1:15 pm
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@stratele52 thank you! I will use a tool to pry the chassis from the cabinet - I would not be surprised if there were rubber bushings between the handle mount and the chassis. I'll use good pot cleaner too. I did turn the pot more than 20 times and it hasn't corrected the problem, so I wonder if I need to either live with the scratchiness or replace the pot.


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Post subject: Re: Cleaning pots on Mustang III v2
Posted: Sat Jul 27, 2019 2:04 pm
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The Handle has to be removed as the screws go directly to the chassis, also the panel on top of the speaker which has about 8 screws if i remember has to be removed. There is a gloopy rubber strip towards the front of the cab,
a few tugs on the chassis should sort it. You will have probably sorted it by the time i have typed this! My first time on forum for ages!! (took me forever login in as i had to change my password!!!)


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