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trolley wear
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Posted by
cavell (
My Page) on
Tue, Jun 26, 12 at 12:35
| have older opener. track trolley? wore out. or wore thru. one side of the extruded aluminum tee piece wore thru. cannot get new part. found a guy who welds aluminum so he might try and fix it. would be much easier to fix it than buy a new opener. but i suppose things wear out. |
Follow-Up Postings:
RE: trolley wear
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| Yes things wear out. Especially after as many years as that thing has been in operation. There is a trolley available that will replace the one you have. The exact replacement for your trolley hasn't been available for about 20 years. You can check out part number 41A3489. Sells for $26.99 or there abouts. |
RE: trolley wear
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| trolley is pretty simple. tee shape. attaching point for cable. another point for lift bracket. mine is cast alum. seems the replacement one is stamped steel. maybe it will fit? |
RE: trolley wear
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| It will fit but will not be an exact replacement. |
RE: trolley wear
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| You can always just assemble one from stock shapes, or even simply pop-rivet a patch over the worn location. |
RE: trolley wear
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| got a used one. opener is so old, there are clips on drive chain to trigger up/down limits. the trolley has the cable mount on the opposite side as original. and threaded rod for chain tension is shorter. so lengthen chain, or use new rod and shorten chain. |
RE: trolley wear
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| Let's see now. If the cable mount is on the other side it will be going down when it's going up and going up when it's - oh well. |
RE: trolley wear
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| I just turned trolley around. Not sure what rod is called that connects chain to cable. Tension rod? Some trolleys do not have it. U mount the small springs to it so the lift cable has some cushion. My new rod is shorter so I need to lengthen chain or move cable pulley about 1 " closer to opener motor. |
RE: trolley wear
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| hey, my trolley is backwards? works fine. |
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