[AMRadio] OT - TS-440S question

[Robert Isselhard]

I had the same thing happen as rapidly as you did but with my Yaesu FT-920.   Same cause:   Galled shaft and congealed grease.   I had to disassemble the entire encoder assembly to get the shaft out to polish it and the inside of the brass collar around it.   Hope you don’t have to disassemble that much.   73,   Bob. K5INW

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> On Jun 10, 2018, at 7:03 PM, Larry Szendrei <ne1s at securespeed.us> wrote:
> 
> Thanks, Geoff. I'll be looking into it at my first convenience - today was spent on outside projects, as it was a perfectly spectacular day WX-wise here, and there was lots to do (still is!).
> 
> I got a response on the Kenwood list at qth.com from a guy who does Kenwood repair - he thinks the shaft/bushing has galled, and, unfortunately, I think he's right. He says I MAY be able to loosen it up by coaxing a drop or two of light machine oil between the shaft and bushing and working it. After removing the knob, of course.
> 
> Hope all is well with you, KA5SSY, and the harmonic.
> 
> 73,
> -Larry/NE1S
> 
>> On 6/10/18 12:52 PM, ARS W5OMR wrote:
>> Some of those rigs, Larry, have a 'back ring' that you can tighten or loosen to change the action on the tuning knob.  That, or maybe the piece of felt behind the knob finally balled up and got bigger and bigger.
>> 
>> Get yer allen wrench out and remove that assembly and see what's up.
>> 
>> 
>> On Sun, Jun 10, 2018 at 7:05 AM, Larry Szendrei <ne1s at securespeed.us <mailto:ne1s at securespeed.us>> wrote:
>> 
>>    Please excuse the off-topic post.
>> 
>>    I have a Kenwood TS-440S which I bought brand new in the mid 1980s.
>> 
>>    This morning I was repeatedly manually scanning up and down the
>>    band* with the main tuning knob, and it quite rapidly started to
>>    turn harder and harder. Now it almost takes a wrench to turn it. :-(
>> 
>>    Anyone run into this before, and know how to fix it?
>> 
>>    * I was playing around giving out a few points in the June VHF
>>    contest, using the 440 in conjunction with the Hallicrafters HA-6
>>    and HA-2 transverters.
>> 
>>    73 and TNX,
>>    -Larry/NE1S
>> 
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>> 
>> -- 
>> Operating your AM rig without a scope is like driving our car at night without headlights. (~K4KYV)
>> 
>> 73 = Best Regards,
>> -Geoff/W5OMR
> 
> 
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