By Pentair Pool Products
Part # 3290-08
Manufacturer Code GW9509
Dimensions 1-5/8" x 3/8"
Idler Gear Kit (3 Gears) - GW9509
When new, do these gear fit on the shaft without significant play? I have a 3 year old cleaner that does not turn (actuate the lift brush). The gears fit very loosely on shaft. The shafts certainly aren't wearing out. When I spin the ratchet gear by hand on a bench, it appears the idler gears turn until the cam hits the brush lift area and then the idler gears seem to twist on the shaft and no longer engage each other.
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These should not fit loosely. It sounds like they are worn and will need to be replaced.
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I did end up replacing the 3 idler gears and the cam gear. The new ones are almost as loose as the old ones but they did fix the issue. I was tempted to wrap the two shafts in teflon tape to tighten up the tolerances and eliminate the wobble. But I was afraid the tape would just come loose and stop the gears from turning. Overall, I think the tolerance of the gears are too large.
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Yes, you will need to replace the gears they should not have any play.
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