[Drake] Noisy L4B blower bearings

[John Harden, D.M.D.]

I just put a 12 VDC blower on my T-4XC. They are very cheap and I would
just get a new one. There are many sources. 

73,

John, W4NU

-----Original Message-----
From: drake-bounces at mailman.qth.net
[mailto:drake-bounces at mailman.qth.net] On Behalf Of Garey Barrell
Sent: Sunday, February 04, 2007 3:24 PM
To: drake at mailman.qth.net
Subject: Re: [Drake] Noisy L4B blower bearings

Ken -

Yeah, nowadays all motor bearings are "lifetime lubricated"!  

So when the bearings wear out from use, or lack of lube, well, "they've 
reached their lifetime"!  :-)

73, Garey - K4OAH
Atlanta


Transmaster wrote:
> This is great, you sure don't see oiling ports in motors these days,
> drilling a small hole in the bearing holder is always a little
> ticklish, go too deep and you can damage the bronze bearing.
>
> Ken.
>
>
>
>
> On 2/4/07, Garey Barrell <k4oah at mindspring.com> wrote:
>> The Drake blower has oilers.  Manual says to oil lightly twice a
year.
>>
>> 73, Garey - K4OAH
>> Atlanta
>>
>> Drake 2-B, 4-B & C-Line Service Supplement CDs
>> <www.k4oah.com>
>>
>>
>>
>> Transmaster wrote:
>> > What I do with these kinds of motors when they get dry bearings it
to
>> > use a Dremel with a very fine drill to drill a hole into the area
>> > where either the felt pad which holds the lubrication is located,
or
>> > if no pad direct access to the bearing.. Be careful not to go to
deep
>> > just through the housing into this space . Once this hole is
drilled
>> > inject a small amount of Mobile One,, Castrol, or other brand
>> > synthetic oil into this space. After this is done seal the hole
with a
>> > small amount of GE Silicone. with this done you will have access to
>> > the bearings for regular maintenance.  This treatment will last for
>> > years. .If this doesn't do the job go to Allied Electronics they
have
>> > electric motors of all sizes, shapes, and voltages, given the
spec's
>> > and dimensions of your motor they should be able to come up with a
>> > good replacement for you, a motor which will be better then the one
it
>> > would replace.
>> >
>> > Ken de W7ITC
>> >
>> > On 2/4/07, Ka9p at aol.com <Ka9p at aol.com> wrote:
>> >> I've got an L4B with really noisy blower bearings (I think), and
was
>> >> wondering if anyone could offer up an easy replacement for the
>> >> blower, or some  way
>> >> to quiet them down a bit?
>> >>
>> >> Thanks, Scott.
>> >
>
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