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Audio and Video Talk
The Vintage Audio Section
Advice Sought - Possible Re-cap of mid 70s Kenwood Integrated Amp
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<blockquote data-quote="marantz123" data-source="post: 908144" data-attributes="member: 16849"><p>Sorry to detract slightly, but Steerpike is spot on an applicable cleaning topic here...</p><p></p><p>Steerpike, after polishing the contacts, do you lubricate it with anything before re-assembly ?</p><p> </p><p>Those contacts (nickel?) and the tiny copper "u-link-type" throws come up to a brilliant mirror-like shine, its surprising how well they clean up. Also found that depending on the type of switch the only way to clean them is to strip them. The metal shrouded ones( ALPS/Panasonic on-board selectors and the long tape record-mode switches) with the plastic insert gums up badly ( looks like plasticiser collects at the metal frictional surfaces and no amount of external cleaning gets it out.) The actual contacts sit within the plastic and is so well protected, its hard to believe that external cleaning can get in there. I have cleaned externally by soaking the switch etc. with very moderate effect...had to strip it eventually and was suprised how bad things were in there.</p><p></p><p>Between the metal and plastic(in assembly) I use a thin film of silicone paste lubricant for long term lubrication and to feed the plastic, but not sure what to use on the contacts itself..? ( have considered light non-conductive spray oil..just a tiny bit, but not sure).</p><p></p><p>Thanks</p><p>Marantz123.</p></blockquote><p></p>
[QUOTE="marantz123, post: 908144, member: 16849"] Sorry to detract slightly, but Steerpike is spot on an applicable cleaning topic here... Steerpike, after polishing the contacts, do you lubricate it with anything before re-assembly ? Those contacts (nickel?) and the tiny copper "u-link-type" throws come up to a brilliant mirror-like shine, its surprising how well they clean up. Also found that depending on the type of switch the only way to clean them is to strip them. The metal shrouded ones( ALPS/Panasonic on-board selectors and the long tape record-mode switches) with the plastic insert gums up badly ( looks like plasticiser collects at the metal frictional surfaces and no amount of external cleaning gets it out.) The actual contacts sit within the plastic and is so well protected, its hard to believe that external cleaning can get in there. I have cleaned externally by soaking the switch etc. with very moderate effect...had to strip it eventually and was suprised how bad things were in there. Between the metal and plastic(in assembly) I use a thin film of silicone paste lubricant for long term lubrication and to feed the plastic, but not sure what to use on the contacts itself..? ( have considered light non-conductive spray oil..just a tiny bit, but not sure). Thanks Marantz123. [/QUOTE]
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Audio and Video Talk
The Vintage Audio Section
Advice Sought - Possible Re-cap of mid 70s Kenwood Integrated Amp
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