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Post by macgwyn on Sept 3, 2022 15:10:27 GMT -5
I did a complete teardown on an F-3 for headlight improvement. Does anyone know what position the "key tab" on the worm gear bushing goes between the chassis halves? I took a guess and placed it straight down. The engine runs, but it's a bit wobbly and hesitant at times. Looks like I may have to tear it down again and do some tinkering with the internals.
In case you're curious, I cut the headlight circuit off an old N-scale decoder and placed it at the rear of the chassis. Ran wires forward to a tiny square LED and installed it up front, right behind the shortened headlight tube. Works great - really bright now.
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Post by alberich on Sept 4, 2022 2:15:00 GMT -5
Are You sure that the current supplied by Your N-module is not too high and will damage Your Led, and that the resistor in series has now perhaps a too low value ?
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Post by macgwyn on Sept 4, 2022 4:22:49 GMT -5
Are You sure that the current supplied by Your N-module is not too high and will damage Your Led, and that the resistor in series has now perhaps a too low value ?
Could be, but it's working fine so far. I tested it for heat build-up before installing the shell, was not a problem.
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Post by rvn2001 on Sept 4, 2022 5:22:03 GMT -5
The tab on the bushing goes into a slot in one of the chassis halves.
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Post by macgwyn on Sept 5, 2022 8:26:17 GMT -5
The tab on the bushing goes into a slot in one of the chassis halves. Thanks so much, I missed seeing the slot! |
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