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 Posted - December 02 2013 : 11:33:42 PM
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Can this cover be popped off without having to break it? Im trying to get to the wheels to replace traction tires.
Engines: TYCO HO
Rio Grande Diesel F9A
New Haven Diesel F9A
Burlington Diesel F9A
LIONEL HO
Lionel Rock Island 140 FA1 Diesel
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Last Visit: November 02 2019
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Posted - December 03 2013 : 12:32:50 AM
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The black plastic pieces on either side of the truck? These are usually referred to as "truck frames" or "side frames".
Can they be popped off without breaking them? Technically, no. The sideframes are mounted to a metal tab that is part of the truck. The metal tab has two holes in it while the sideframe has two tabs on it. To fix the sideframes in place, Tyco melted these two tabs inside the holes so that the frame could not come lose.
When replacing tires, it's sometimes possible to install them without removing the side frame. You can try using a small screwdriver/toothpick and a pair of tweezers to wrap the tire around the wheel. If that's not working, gently pry the sideframe off with a screwdriver and glue it back on when you're done.
Hope that helps! 
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 Posted - December 03 2013 : 11:21:16 AM
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Gotta do what I gotta do!
Thanks,
Engines: TYCO HO
Rio Grande Diesel F9A
New Haven Diesel F9A
Burlington Diesel F9A
LIONEL HO
Lionel Rock Island 140 FA1 Diesel
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Posts: 79 ~
Member Since: November 20 2013 ~
Last Visit: November 02 2019
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Posted - December 03 2013 : 4:33:33 PM
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| sometimes those covers snap back into place on some locos
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Posted - December 05 2013 : 7:13:38 PM
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We will soon see ;)
Engines: TYCO HO
Rio Grande Diesel F9A
New Haven Diesel F9A
Burlington Diesel F9A
LIONEL HO
Lionel Rock Island 140 FA1 Diesel
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Country: USA ~
Posts: 79 ~
Member Since: November 20 2013 ~
Last Visit: November 02 2019
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Posted - December 08 2013 : 11:32:37 PM
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I just replaced the O-rings on the GP-20 engine, and I didn't have to take off the side frames.
 
In the bottom picture, the Mantua traction tire is on the left ( bigger black ring ), the smaller brownish ring is the GP Sorenson Fuel Injection o-rings someone mentioned in another post on MU-2 repairs. They're thicker, stiffer, and would require removal of the side frames to get them on. I stole a pair of original tires off an F9 unit that had cracked plastic wheels on it. So you can replace original types without having to remove the side frame, but any thicker O-ring will probably not go on that easily. FYI....
Jerry in Virginia
" When life throws you bananas...it's easy to slip up"
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