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Old 04-13-2019, 06:55 AM   #1
rkenney
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Wipe Sweat From Brow Bild-A-Loco motor

Try as I might I could not find any good pictures of Bild-a-loco motor disassembly. So here is my pictorial with some of the more salient observations.

Slide1.JPG

The motor I have has a type 4 pickup which is easily removed by loosening the thumb screws on either end.

The center rail power is applied through the connections shown in the next two slides.

Slide2.JPG

Slide3.JPG

Disassembly starts here.

Slide4.JPG

Last edited by rkenney; 04-13-2019 at 09:26 AM..
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Old 04-13-2019, 07:04 AM   #2
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One of the objectives was to remove the pendulum reverse unit which works but is touchy and needs a good cleaning.

Slide5.JPG

Slide6.JPG

Slide7.JPG

A close up of the brush plate reveals the internal connections and I need new brushes!

Slide8.JPG

Slide9.JPG
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Old 04-13-2019, 07:08 AM   #3
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Re-assembly is the reverse of above. Made simpler by the lack of reverse unit.

Slide10.JPG

Slide11.JPG

Slide12.JPG

Slide13.JPG
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Old 04-13-2019, 03:44 PM   #4
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Grab the popcorn. I love a good show!!!
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Old 04-13-2019, 04:52 PM   #5
tjcruiser
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FABULOUS THREAD. LOTS OF INCREDIBLY INFORMATIVE DETAIL!!!

THANK YOU, BOB!!!

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Old 04-13-2019, 05:48 PM   #6
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You spelled Build wrong.

Do you have the shell for this motor Bob?
The wheels look great for their age. Do you know it's age?
Did you put it on the rails and give it power after you got it back together?

Your right about not being able to find pictures of this motor apart. I tried.
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Old 04-13-2019, 06:31 PM   #7
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Quote:
Originally Posted by Big Ed View Post

Do you have the shell for this motor Bob?
The wheels look great for their age. Do you know it's age?
Did you put it on the rails and give it power after you got it back together?
I have a #10 shell (posted elsewhere) that needs paint. I now have a #10 frame that also needs paint and couplers.

Unfortunately I have no Standard Gauge track. YET!

You may not have seen it too well from the brush plate picture but the one brush is pretty small so I will wait till I get brushes before testing (it did run before I operated!)

Slide8.JPG

If you look closely at this picture there are two little levers that can rotate to hold the brush springs retracted while you install the armature, pretty neat!

This is a type 1 Bild-a-Loco motor because it has a drum type commutator. Lionel changed this to a disc type commutator for the type 2 motor, but I don't know the year. (disc commutator gave more space and allowed a larger field and armature windings that drew more current and created other problems).

According to a recent post (TJ or T-man) the pendulum reverse did not see production till 1928, so I guess my motor can't be before then.
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Old 04-14-2019, 08:28 AM   #8
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I seem to remember you did show it when you first found it?
I can't find any reference about it.

Buy a loop of track?
Maybe just a few straights, for testing?
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Old 04-14-2019, 08:28 AM   #9
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Great thread Bob, nice pictures and detail!
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Old 04-16-2019, 12:07 PM   #10
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For someone that has one your pictures can help a great deal.
Thanks for a nice thread and taking the time to put up those pictures.
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