Nerves of steel doesn't even begin to describe the economy of movement
required to do this.

Well, that leaves me out!

I would definitely take it to a pro

Any recommendations?

Regards,

Phil Nelson

"Phil Nelson" wrote in message
ink.net...
Nerves of steel doesn't even begin to describe the economy of movement
required to do this.

Well, that leaves me out!

I would definitely take it to a pro

Any recommendations?

Regards,

Phil Nelson



Phil

If the replacement meter works properly,
and the modification was done neatly,
why not just leave it alone? If a good meter ever becomes
available, then change it out.

Not many folks would know, or care about the difference.

Pete

"Phil Nelson" wrote in message
ink.net...
Nerves of steel doesn't even begin to describe the economy of movement
required to do this.

Well, that leaves me out!

I would definitely take it to a pro

Any recommendations?

Regards,

Phil Nelson



Phil

If the replacement meter works properly,
and the modification was done neatly,
why not just leave it alone? If a good meter ever becomes
available, then change it out.

Not many folks would know, or care about the difference.

Pete

If the replacement meter works properly,
and the modification was done neatly,
why not just leave it alone? If a good meter ever becomes
available, then change it out.
Not many folks would know, or care about the difference.

I guess the honest answer is . . . that it bugs me. The replacement is
functional. On the other hand, it not only works backward but zeros near the
midpoint rather than all the way to one edge. So it can't be as responsive
on weak signals as if it had the full range of travel.

My plan for this SX-28 is that it'll be my "keeper." It's a one-owner rig
that worked well as found, unabused and unmodified except for this meter.
I'm taking pains with all the work to make sure that it's as squeaky clean
as I can manage. (Everything is easier the second time around!) I even went
so far as to restuff paper caps for a while, until I got impatient and
noticed how hard it would be to cram some of those big paper cases back into
the crannies whence they came, without disturbing lots of other components.

I suppose I could always change meters with my first SX-28 and then keep an
eye out for a replacement or just dispose of that set as-is. The thought of
having two of these beasts open for surgery on the same workbench is a
little daunting, tho' :-)

Regards,

Phil Nelson

If the replacement meter works properly,
and the modification was done neatly,
why not just leave it alone? If a good meter ever becomes
available, then change it out.
Not many folks would know, or care about the difference.

I guess the honest answer is . . . that it bugs me. The replacement is
functional. On the other hand, it not only works backward but zeros near the
midpoint rather than all the way to one edge. So it can't be as responsive
on weak signals as if it had the full range of travel.

My plan for this SX-28 is that it'll be my "keeper." It's a one-owner rig
that worked well as found, unabused and unmodified except for this meter.
I'm taking pains with all the work to make sure that it's as squeaky clean
as I can manage. (Everything is easier the second time around!) I even went
so far as to restuff paper caps for a while, until I got impatient and
noticed how hard it would be to cram some of those big paper cases back into
the crannies whence they came, without disturbing lots of other components.

I suppose I could always change meters with my first SX-28 and then keep an
eye out for a replacement or just dispose of that set as-is. The thought of
having two of these beasts open for surgery on the same workbench is a
little daunting, tho' :-)

Regards,

Phil Nelson

"Phil Nelson" wrote in message
ink.net...
If the replacement meter works properly,
and the modification was done neatly,
why not just leave it alone? If a good meter ever becomes
available, then change it out.
Not many folks would know, or care about the difference.

I guess the honest answer is . . . that it bugs me. The replacement is
functional. On the other hand, it not only works backward but zeros near
the
midpoint rather than all the way to one edge. So it can't be as responsive
plan for this SX-28 is that it'll be my "keeper." It's a one-owner rig
that worked well as found, unabused and unmodified except for this meter.
I'm on weak signals as if it had the full range of travel.


Then it was a hack job and doesn't work right. It would bug me too.

Pete

"Phil Nelson" wrote in message
ink.net...
If the replacement meter works properly,
and the modification was done neatly,
why not just leave it alone? If a good meter ever becomes
available, then change it out.
Not many folks would know, or care about the difference.

I guess the honest answer is . . . that it bugs me. The replacement is
functional. On the other hand, it not only works backward but zeros near
the
midpoint rather than all the way to one edge. So it can't be as responsive
plan for this SX-28 is that it'll be my "keeper." It's a one-owner rig
that worked well as found, unabused and unmodified except for this meter.
I'm on weak signals as if it had the full range of travel.


Then it was a hack job and doesn't work right. It would bug me too.

Pete

Are these manuals "findable" obtainable?

--
Paul Pinyot

"Randy or Sherry Guttery" wrote in message
.. .
Paul P wrote:

I was hoping someone more knowledgeable would speak up! It did occur to
me that the position of the meter would be affected. It is minimal
sensitive to horizontal (in its back) and vertical operation.

What probably happed to my particular case is the cleaning process moved
the weights and I probably resorted their original position.

Is there any documentation about this topic? Some official book?
Admittedly I have not Googled the subject just yet.

Yes - my favorite reference is NavShips EIMB TM&Ps - which in civilian
language is: US Navy's Electronics Installation & Maintenance Books; Test
Methods and Practices - my particular copy was published in January, 1964-
and carries NAVSHIPS 900,000.103. Section 5: Care, Repair and Calibration
of Test Equipment, subsection 5-2d(4) covers dial pointers, zero
adjusters, etc.; and section 5-2d(6) covers balance weight tests;
5-2e(1a-c) balance weight adjustments (various types of meter
construction); 5-2e(2) Zero Adjustment; 5-2e(3) Pivots; 5-2e(3a) turning,
lapping, etc. of pivots; 5-2e(3b) End-Play Adjustments; 5-2e(4) care and
feeding of the hairsprings; and finally: 5-2(f-k) - calibrating meter
movements of various types - including charging/discharging the movement's
magnet.

The EIMB library consists of several volumes:
900,000.1 Communications
900,000.2 Radar
900,000.3 Sonar
900,000.4 Test Equipment
900,000.5 Radiac
900,000.7 Countermeasures
900,000.100 General
900,000.101 Installation Standards
900,000.102 Electronic Circuits
900,000.103 Test Methods and Practices *
900,000.104 Reference Data *
900,000.105 RF Interference Reduction

The two marked with an asterisk I consider two of most valuable books in
my library - they are of great value to anyone with a more than casual
interest in vintage / tube electronics (IMHO).

best regards...
--
randy guttery

A Tender Tale - a page dedicated to those Ships and Crews
so vital to the United States Silent Service:
http://tendertale.com

Are these manuals "findable" obtainable?

--
Paul Pinyot

"Randy or Sherry Guttery" wrote in message
.. .
Paul P wrote:

I was hoping someone more knowledgeable would speak up! It did occur to
me that the position of the meter would be affected. It is minimal
sensitive to horizontal (in its back) and vertical operation.

What probably happed to my particular case is the cleaning process moved
the weights and I probably resorted their original position.

Is there any documentation about this topic? Some official book?
Admittedly I have not Googled the subject just yet.

Yes - my favorite reference is NavShips EIMB TM&Ps - which in civilian
language is: US Navy's Electronics Installation & Maintenance Books; Test
Methods and Practices - my particular copy was published in January, 1964-
and carries NAVSHIPS 900,000.103. Section 5: Care, Repair and Calibration
of Test Equipment, subsection 5-2d(4) covers dial pointers, zero
adjusters, etc.; and section 5-2d(6) covers balance weight tests;
5-2e(1a-c) balance weight adjustments (various types of meter
construction); 5-2e(2) Zero Adjustment; 5-2e(3) Pivots; 5-2e(3a) turning,
lapping, etc. of pivots; 5-2e(3b) End-Play Adjustments; 5-2e(4) care and
feeding of the hairsprings; and finally: 5-2(f-k) - calibrating meter
movements of various types - including charging/discharging the movement's
magnet.

The EIMB library consists of several volumes:
900,000.1 Communications
900,000.2 Radar
900,000.3 Sonar
900,000.4 Test Equipment
900,000.5 Radiac
900,000.7 Countermeasures
900,000.100 General
900,000.101 Installation Standards
900,000.102 Electronic Circuits
900,000.103 Test Methods and Practices *
900,000.104 Reference Data *
900,000.105 RF Interference Reduction

The two marked with an asterisk I consider two of most valuable books in
my library - they are of great value to anyone with a more than casual
interest in vintage / tube electronics (IMHO).

best regards...
--
randy guttery

A Tender Tale - a page dedicated to those Ships and Crews
so vital to the United States Silent Service:
http://tendertale.com

Paul P wrote:

Are these manuals "findable" obtainable?

Yes, I've seen various versions of them on ebay from time to time.
There is a "extract" of a more modern revision he

http://www.phy.davidson.edu/instrumentation/NEETS.htm

Go to Module 21. Module 19 contains extracts of Reference Data...
though the full original is (IMHO) much more useful for those interested
in vintage stuff. These are part of the Navy's NEETS training - an
introductory course into electronics -so unfortunately - they don't go
into much depth. Module 19 does contain much reference data though -
useful to almost everyone - and as they are in PDFs (almost) everyone
can download them for free.

TM&P's "real" Navships number is 0967-000-0130 and Reference Data's
"real" Navships number is 0967-000-0140.


best regards...
--
randy guttery

A Tender Tale - a page dedicated to those Ships and Crews
so vital to the United States Silent Service:
http://tendertale.com