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holler
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ACA Allertor Restoration (new pics 2/14)

Fri Feb 10, 2012 12:33 am

Figured it was about time I posted some pictures of the latest project. Two days after the April 27th tornado outbreak Ian and I ventured up to Werden Electric where I bought an ACA Allertor and a low tone model 7. Well after my little "adventure" in Dickson, TN with a funnel cloud it became painfully apparent that I too needed a large, powerful siren at my disposal in case we had one of those "oh s**t" moments down here. So I figured why not use the Allertor. After all it's almost as powerful as Charlie's 1000T, but not so powerful that my neighbors would kill me when it went off.

Here is the Allertor after I got home with it. The black and gray pieces are actually new housing components for the Werden P-127.

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After I cleaned the grunge off and put it on display in the front yard. It was still fugly with all the holes, cracks, chips, and peeling gelcoat. Apparently it was so ugly that it killed the tree next to it

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Fast forward to this year and I finally drug it out of that corner of my shop and started the restoration process.

The noisy part
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Armature out of siren for a much needed bearing replacement
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Typical wild looking ACA rotor
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What was hiding inside the rotor
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motor tag, same exact motor that's on the P-15 in Milan.
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The motor is in great shape, just all the grease from the front bearing had slung out into the barrel. The little pile of black stuff is crap that I cleaned out.
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Moving on, here is the old crusty turn table before it was cleaned up and primed
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Stator after being wire wheeled, deburred, sharpened, and primed. The large bearing in the picture is the front bearing for the motor.
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The housing after being sanded down and prepped for primer. The big dark spot is fiberglass resin jelly that I used to patch a big crack in the housing.
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Housing parts after extensive fiberglass repair and priming. There are lots of other sirens in this picture also
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The great void...
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Primer is grey, but my camera made it look blue. Notice the offset in the "tube" that comes out of the housing.
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Eden Prairie red? (filler primer)
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So today I drug all of the parts out in the yard and painted all the stuff that needed to be painted. I used Rustoleum Professional Safety Yellow thinned down to a water consistency with acetone and shot through a harbor freight HVLP gun. This is the same paint gun that painted the 2t22 and the P-15.

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All of the parts are going to get one more coat of paint then I will start putting everything together. Stayed tuned for updates!
Last edited by holler on Wed Feb 15, 2012 12:37 am, edited 1 time in total.

Mysterious T-Bolt 111
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Fri Feb 10, 2012 1:51 am

Cool. Can't wait to see the final result when every thing is put together. :)

uncommonsense

Fri Feb 10, 2012 2:29 am

Looks quite nice. You've done some fantastic work on that unit.

HOWEVER....


BLACK WIDOWS?!?!?!

Yeah....even that picture gave me a severe case of the heebie jeebies. I'd have been so done with that rotor if I saw those....and on a witch hunt to see how many had gotten into my garage.

I do not do spiders! Especially deadly ones.

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holler
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Fri Feb 10, 2012 2:32 am

There are two things in this world that love sirens more than we do, black widows and wasps.

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landmobile
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Fri Feb 10, 2012 3:34 am

Very nice work, can't wait to see it installed and operating. Did the motor need anything other than the one bearing?
Chris Bors
Land Mobile Corporation

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holler
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Fri Feb 10, 2012 3:42 am

The motor itself is in great shape. I'm just replacing both bearings while I am in there. The front one had delubricated and rear one showed signs of having water in it at one time.

I've already pressed the new bearings on the armature so its ready to go back in. Just for size reference the front bearing had a 50mm ID, and a 110mm OD.

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erik92da
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Fri Feb 10, 2012 5:38 am

holler wrote: Just for size reference the front bearing had a 50mm ID, and a 110mm OD.
That's a huge bearing! Can't wait to see the finished product.

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Jim Z
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Fri Feb 10, 2012 11:06 am

What was hiding inside the rotor
nuke them from orbit.

it's the only way to be sure.

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woodyrr
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Fri Feb 10, 2012 12:13 pm

It is looking good!

Midwest City had Allertors. It will be good to see one new and bright yellow again.
Raymond D. Woods, Jr.
Owner of a Federal Signal Thunderbolt 1000T air raid siren. :TBolt:

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NeoThunderBolt85
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Fri Feb 10, 2012 5:49 pm

nuke them from orbit.

it's the only way to be sure.
I'll second that. If it's got more than 4 legs, I want nothing to do with it.

The Allertor looks good! I'd still like to see one in person one day. My brother describes them as an ugly, pissed off vacuum cleaner. He still digs them though. :D
Building a quarter scale Thunderbolt!

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