trolley wear

stoveguyyJune 26, 2012

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.

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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.

    Bookmark   June 26, 2012 at 6:11PM
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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?

    Bookmark   June 27, 2012 at 7:52AM
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It will fit but will not be an exact replacement.

    Bookmark   June 27, 2012 at 11:58AM
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You can always just assemble one from stock shapes, or even simply pop-rivet a patch over the worn location.

    Bookmark   June 28, 2012 at 12:20PM
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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.

    Bookmark   June 28, 2012 at 5:03PM
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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.

    Bookmark   June 28, 2012 at 6:03PM
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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.

    Bookmark   June 28, 2012 at 8:25PM
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hey, my trolley is backwards? works fine.

    Bookmark   June 30, 2012 at 8:35PM
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