[Hallicrafters] Re: Meter repair
Roger K8RI
hallicraftersgroup at rogerhalstead.com
Fri Jun 30 15:19:14 EDT 2006
> In my humble opinion, those who attempt this type of
> repair at home are in the same league as those who
> serve as their own defense attorney in a capital
> murder case.
I used to do meter repair at work, but that was many years ago. It takes a
very steady hand and lots of practice to do that kind of work.
Roger Halstead (K8RI and ARRL 40 year Life Member)
N833R - World's oldest Debonair CD-2
www.rogerhalstead.com
>
> 73
>
> Mike
> WA4DLF (who has worked in an instrument lab)
>
> --- PROZACH7 at aol.com wrote:
>
>> I have found that the sticking in meters is caused
>> by small iron particles
>> between the movement and the inside slug and/or the
>> outside surround. To remove
>> the particles you have to remove the permanent
>> magnet and then blow out the
>> particles with a puff of air from your mouth.
>> Removing the magnet differs from meter to meter; so
>> I cannot help on that
>> score without seeing the meter.
>> If that doesn't work then you have to take the
>> meter apart. The only tricky
>> thing is NOT to bend the torsion springs when
>> unsoldering them - it takes a
>> steady hand!
>> Frank W6LPU
>>
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>
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