If you have a pool and do your own mainainance heres a handy tip,when the pools shut down for the winter,take the end cover off the pump motor and give the cooling fan a few flicks,I do it once a week,this prevents the lime scale building up on the shaft.Missed doing it last year with the result that when the pool was started up the pump was squealing like a stuck pig,result?,had to strip it down,clean it and buy new seals to re-assemble it.
Same also applies to the central heating system in the the summer,either run it for a short while or take the plug out of the pump,insert a thin screw driver in the hole and flick the impeller over a few times.Efes now 4 YTL a bottle.
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Before the comedians arrive I stripped the pump down and not the pig.