On 8/27/2017 3:52 PM, wrote:
On Sun, 27 Aug 2017 09:56:08 -0500, Terry Coombs
wrote:

On 8/27/2017 8:00 AM, Stormin' Norman wrote:
On Sun, 27 Aug 2017 07:41:46 -0500, Terry Coombs
wrote:

On 8/27/2017 6:52 AM, Uncle Monster wrote:
On Sunday, August 27, 2017 at 6:10:54 AM UTC-5, wrote:
Since then I did get a regular 5500w generator that I have never used
in 6 years. It is still in the box.
I'm not sure if it's true or not - I once heard that after years of
un-use - the magnets field magnets ? can lose their
magnetic-ness or sumpthin'

http://www.engineersedge.com/motors/...d_flashing.htm

So your unused engine might still work fine but the generator won't.

John T.
Al he has to do is drop his pants to flash the generator and shock it back into working again. ?(?)?

[8~{} Uncle Shocked Monster
Â* Actually that's not amusing . I fired mine up one day when the power
went out , only to discover no output . The residual magnetic field had
dissipated , leaving me without power . I did figure out how to flash
the field and get it running again - IIRC it was with some help right
here . Now I fire it up at least every couple of months to refresh it .

We have a 20 KVA, USMC, surplus diesel generator I bought at auction
about 15 years ago for $550. I start it once every month or so and
let it run and power a several thousand watt load for about 20
minutes.

I have never had an issue with the magnets in the generator. That
said, I was interested in the flashing concept and came across this
article on how to do it.

http://www.endtimesreport.com/dead_gen.html

Terry, I am curious how you flashed your generator.


Â* It's been a while , but IIRC I connected a 12V battery across the
field winding momentarily . Biggest concern was being sure I had the
battery polarity correct . It doesn't take much of a field to
self-excite a genset , and it builds virtually instantaneously .

Â* --

Â* Snag
And if using the DC method, BE SURE to disconnect the regulator first
- and do the "flash" with the engine not running. This is "generally"
required on brushless exciters.

Â* This unit is not brushless , it uses slip rings to excite the rotor .
Looking at the schematic it also varies field strength to control
voltage . I don't recall if I had it running or shut off when I did that
- probably off , because IIRC I had the control box open to get at the
terminalsÂ* .

Â* --

Â* Snag