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 Posted - August 09 2007 : 4:02:10 PM
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This power torque is like no other. There is only one screw holding the front truck only and the ends snap on to hold completely. This design has to be the first issue power torque truck. All other powertorque tyco's have 3 screws holding truck to motor. The rear truck is the same but screw is missing - only the snap on ends holding it. This Spirit of 76 power train in this configuration is the only one i have ever seen or owned as my collection of these is 10 with the variations. The casting for the motor is also different than other powertorques as is the rear truck casting. The coupler pocket snaps onto truck via prongs like the alco 630 early version. BTW--IT IS A STRONG RUNNER!!!
THE ENGINE
Front Truck
Rear Truck
Motor
Motor #2
Edited by - Brianstyco on August 09 2007 4:08:11 PM
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Posted - August 09 2007 : 4:16:57 PM
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the other dark meat Brian:
For a minute there I thought I was in Nirvana and it had two motors!!!
-G
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Posted - August 09 2007 : 6:01:25 PM
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I have a couple of C630s with that type power truck.
I need to find a couple of the coupler boxes.
Ray
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Posted - August 10 2007 : 12:19:03 AM
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| Ray--i only thought the 630's had this type of truck and not the alco 430's --that is until i recieved it on 8-9-07. This powertorque seems to be a better runner also.
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Posted - August 10 2007 : 02:16:12 AM
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I haven't seen them in the 2 axle version either.
If I remember correctly, they have a different motor cover with an unusual brush holder too.
I've seen 3 or 4 different variations of the PT. It would be interesting to know when each was produced.
Ray
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Posted - August 10 2007 : 10:38:40 AM
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I have a couple 430's with this style PT... both were So76 engines. I haven't seen any others yet but I expect that whatever 430's were made in 1974/75 could have it.
It must still be luck of the draw though, because one ran like crap and the other ran OK.
The armature cover is a solid piece with no ventilation holes... that's the biggest "mechanical" difference.
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Posted - August 11 2007 : 12:22:34 PM
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Here is picture of motor cover plate.
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Posted - August 12 2007 : 02:43:49 AM
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Yea, that's the one.
They are a real PITA to get the motor cover back on and keep the brushes in place.
Ray
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Posted - August 12 2007 : 12:03:12 PM
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I have a PT like this in an SF S630. I wonder if the brush holder/ rivet device would twist loose so that you could remove the spring then brush and reverse to install? On the later PTs I lift the end and slide out the contact and remove spring and brush and reverse to install again.
Alco Fan
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Posted - March 24 2008 : 1:05:12 PM
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Alco Fan, I recently got one of those trucks in a collection of parts, and the brush holders are the rivets that hold the contacts on the plate - in other words, they can't be budged. I didn't have too much trouble locating the brushes and springs and reinstalling the plate.
The Tyco Depot
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Posted - November 20 2010 : 11:01:58 PM
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quote:Yea, that's the one.
They are a real PITA to get the motor cover back on and keep the brushes in place.
Originally posted by Ray Marinaccio - August 12 2007 : 02:43:49 AM
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Reviving this old thread, I found that the easiest way to keep the springs and brushes in place is to cut a thin but stiff piece of cardboard about 1 x 2 inches, notch it on one side for the armature shaft about 1/2 inch in, just the shaft width, and place it over top the coverplate with springs and brushes in it, pressing down on the cardboard gently until both brushes are in the holes and the cardboard is flush with the sideplate. Then slide it onto the motor, and gently slide the cardboard piece out, maintaining some slight pressure to hold the cover plate in place until you get one screw in. That has worked best for me, rather than trying to balance the motor over the plate where you can't see the screw holes, or anything else. Just a friendly Tech suggestion.
Jerry
" When life throws you bananas...it's easy to slip up"
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farace
Switcher
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Posted - November 21 2010 : 10:37:01 AM
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| I recently cleaned and reassembled a Powertorque motor. To reinstall the brushes, I put the springs and brushes in their bores and stuck a piece of Scotch tape over them to hold them in place. After I put the other side back on, I pulled the tape out from the side. There was enough residual oiliness on the motor half that the tape didn't stick that tightly and was easy to pull out.
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Posted - November 24 2010 : 9:04:33 PM
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BriansTyco was the first guy here to point out this "Gen II" motor with the single screw in the power truck and the screw in weight. These motors were produced between the MU2 motors and the later PTs with the snap in tanks and all their changes over the years until the end of production.
Alco Fan
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