[Boatanchors] A Collins KWM-2A question

[Phil]

Hi All,

First, let me say that while I used to specialize in BA work, as I've 
gotten older and can lift less weight I've sorta gotten away from it.  
But a semi-local ham friend has a sick KWM-2A he asked me to check out.

Secondly, while my USAF career field was actually Microwave, I had 
occasion to work on the KWM-2A on a few occasions (never owned one 
myself).  But that was over 45 years ago. . .

OK, I haven't studied the manual he brought over yet, but thought that 
I'd ask here for some pointers.

 From his description this one seems to have a relay problem.  When 
powered on the S meter stays pegged to the right and the relays don't 
click in after warm-up as he said they should.  I 'seem' to recall that 
there is a tube that drives the relays and as I study the manual I'll 
check that out.

But any ideas/tips will be appreciated as I'm pending cataract surgery 
(May 30th for the first eye) and right now I have to use a magnifier to 
even read the manual/study the schematics. . .

-- 
73 From "The Beaconeer's Lair"
Specializing in DXing NDBs (Longwave Beacons)
Phil, KO6BB,  http://www.qsl.net/ko6bb/
KO6BB/B beacon, ~20W on 28.290 MHz, Ringo Vertical

HF/LF RADIOS:
HOMEBREW:   7 Tube+Rect 1v3 Regen RX for LF (built 2015)
Icom:       IC-7200 Xceiver, DSP IF & filters (~2015).
Kenwood:    TS-450SAT Xceiver, cascaded 250/125Hz Inrad filters.
10M Beacon: 2 x Realistic HTX-100's on 28.290MHz
SDR:        Softrock Ensemble II LF (built from a kit 2017).

ACC:   HOMEBREW  LF-MF Pre-Amp, 8Hz Audio Filter.
        HOMEBREW  4 Port Antenna Multicoupler, Feeds 4 RX's.
        
ANTENNAS: 88 foot Long Ladder-line fed dipole, 35 feet AGL for MW/SW.
           Active Mini-Whip, 36 Feet AGL for LF/MW/SW.
           37 foot "Low Noise Vertical", 11 feet AGL for LF/MW/SW.
           Cushcraft AR-10 Ringo Vertical, 14 feet AGL for 10M beacon.
Merced, Central California, 37, 18, 37N   120, 30, 6W CM97rh


---
This email has been checked for viruses by AVG.
http://www.avg.com